Map of Washington-Baltimore-Arlington CSA, 2012

The Washington–Baltimore combined statistical area is a statistical area consisting of the two overlapping labor-market metropolitan areas of Washington, D.C. and

Baltimore Baltimore ( , locally: or ) is the most populous city in the U.S. state of Maryland, fourth most populous city in the Mid-Atlantic, and the 30th most populous city in the United States with a population of 585,708 in 2020. Baltimore was d ...

, Maryland. The region includes Central Maryland, Northern Virginia, three counties in the Eastern Panhandle of West Virginia, and one county in South Central Pennsylvania. It is the most educated, highest-income, and third-largest combined statistical area in the United States, behind only New York–Newark and Los Angeles–Long Beach. The area is designated by the Office of Management and Budget (OMB) as the Washington–Baltimore–Arlington, DC–MD–VA–WV–PA Combined Statistical Area. It is composed primarily of two major Metropolitan statistical areas (MSAs): the Washington–Arlington–Alexandria, DC–VA–MD–WV MSA and the Baltimore–Columbia–Towson, Maryland Metropolitan Statistical Area. In addition, five other smaller urban areas not contiguous to the main urban area but having strong commuting ties with the main area are included in the metropolitan area."OMB BULLETIN NO. 18-04: Revised Delineations of Metropolitan Statistical Areas, Micropolitan Statistical Areas, and Combined Statistical Areas, and Guidance on Uses of the Delineations of These Areas"
Office of Management and Budget. September 14, 2018. These are: the Hagerstown–Martinsburg, Maryland–West Virginia MSA, the Chambersburg–Waynesboro, Pennsylvania MSA, the Winchester, VA–WV MSA, the California–Lexington Park, Maryland MSA, and the

Easton, Maryland Easton is an incorporated town in and the county seat of Talbot County, Maryland, United States. The population was 15,945 at the 2010 census, with an estimated population in 2019 of 16,671. The primary ZIP Code is 21601, and the secondary ...

micropolitan statistical area (µSA). Some counties, such as

Caroline Caroline may refer to: People * Caroline (given name), a feminine given name * J. C. Caroline (born 1933), American college and National Football League player * Jordan Caroline (born 1996), American (men's) basketball player Places Antarctica * ...

and

King George County King George County is a county located in the Commonwealth of Virginia. As of the 2020 census, the population sits at 26,723. Its county seat is the town of King George. The county's largest employer is the U.S. Naval Surface Warfare Center ...

, Virginia, are not officially designated by the OMB as members of this metropolitan area, but still consider themselves members anyway. This is mostly due to their proximity to the area, the size of their commuter population, and by the influence of local broadcasting stations. The population of the entire Washington–Baltimore Combined Statistical Area as of the Census Bureau's 2020 data is 9,973,383. The most populous city is Washington, D.C., with a population of 689,545. The most populous county is

Fairfax County, Virginia Fairfax County, officially the County of Fairfax, is a county in the Commonwealth of Virginia. It is part of Northern Virginia and borders both the city of Alexandria and Arlington County and forms part of the suburban ring of Washington, D.C. ...

, with a population of 1,150,309.

Components of the combined statistical area

The counties and independent cities and their groupings that comprise the area are listed below with their 2012 population estimates. Central counties/cities (designated as such by OMB) for each MSA are shown in italics. * Washington–Arlington–Alexandria, DC–VA–MD–WV Metropolitan Area (5,860,342)
** Silver Spring–Frederick–Rockville, MD Metropolitan Division (1,244,291) ***

Frederick County, Maryland Frederick County is located in the northern part of the U.S. state of Maryland. At the 2020 U.S. Census, the population was 271,717. The county seat is Frederick. Frederick County is included in the Washington-Arlington-Alexandria, DC-VA-MD-WV ...

*** ''

Montgomery County, Maryland Montgomery County is the most populous county in the state of Maryland. As of the 2020 census, the county's population was 1,062,061, increasing by 9.3% from 2010. The county seat and largest municipality is Rockville, although the census-design ...

'' ** Washington–Arlington–Alexandria, DC–VA–MD–WV Metropolitan Division (4,616,051) *** '' Washington, District of Columbia'' ***

Calvert County, Maryland Calvert County is located in the U.S. state of Maryland. As of the 2020 census, the population was 92,783. Its county seat is Prince Frederick. The county's name is derived from the family name of the Barons of Baltimore, the proprietors of t ...

*** Charles County, Maryland *** ''

Prince George's County, Maryland ) , demonym = Prince Georgian , ZIP codes = 20607–20774 , area codes = 240, 301 , founded date = April 23 , founded year = 1696 , named for = Prince George of Denmark , leader_title = Executive , leader_name = Angela D. Alsobroo ...

'' *** '' Arlington County, Virginia'' *** Clarke County, Virginia *** Culpeper County, Virginia ***

*** Fauquier County, Virginia *** Loudoun County, Virginia *** Prince William County, Virginia *** Woodbridge, Virginia *** Rappahannock County, Virginia *** Spotsylvania County, Virginia *** Stafford County, Virginia *** Warren County, Virginia *** Alexandria, Virginia *** '' Fairfax, Virginia'' *** ''

Falls Church, Virginia Falls Church is an independent city (United States), independent city in the Commonwealth (U.S. state), Commonwealth of Virginia. As of the 2020 United States Census, 2020 census, the population was 14,658. Falls Church is included in the Wash ...

'' ***

Fredericksburg, Virginia Fredericksburg is an independent city located in the Commonwealth of Virginia. As of the 2020 census, the population was 27,982. The Bureau of Economic Analysis of the United States Department of Commerce combines the city of Fredericksburg wi ...

*** '' Manassas, Virginia'' *** '' Manassas Park, Virginia'' *** Jefferson County, West Virginia * Baltimore–Columbia–Towson, MD Metropolitan Area (2,753,149)
** ''

City'' ** '' Anne Arundel County'' ** '' Baltimore County'' ** Carroll County **

Harford County Harford County is located in the U.S. state of Maryland. As of the 2020 census, the population was 260,924. Its county seat is Bel Air. Harford County is included in the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area, which is al ...

** '' Howard County'' ** ''

Queen Anne's County Queen Anne's County is located on the Eastern Shore of the U.S. state of Maryland. As of the 2020 census, the population was 49,874. Its county seat and most populous municipality is Centreville. The census-designated place of Stevensville i ...

'' * Hagerstown–Martinsburg, MD–WV Metropolitan Area (256,278) ** '' Washington County, Maryland'' ** '' Berkeley County, West Virginia'' * Chambersburg–Waynesboro, PA Metropolitan Area (151,275) ** '' Franklin County, Pennsylvania'' * Winchester, VA–WV Metropolitan Area (130,907) ** Frederick County, Virginia ** Winchester city, Virginia ** Hampshire County, West Virginia * California–Lexington Park, MD Metropolitan Area (108,987) ** ''

St. Mary's County St. Mary's County may refer to: * St. Mary's County, Maryland *St. Mary's County, Utah Territory There are 29 counties in the U.S. state of Utah. There were originally seven counties established under the provisional State of Deseret in 1849: ...

'' * Easton, MD Micropolitan Area (38,098) ** '' Talbot County, Maryland''

Regional organizations

Metropolitan Washington Council of Governments

Founded in 1957, the

Metropolitan Washington Council of Governments Metropolitan Washington Council of Governments (MWCOG) is an independent, nonprofit association where area leaders address regional issues affecting the District of Columbia, suburban Maryland and Northern Virginia. Metropolitan Washington Council ...

(MWCOG) is a regional organization of 23 Washington-area local governments, as well as area members of the Maryland and Virginia state legislatures, the U.S. Senate, and the

U.S. House of Representatives The United States House of Representatives, often referred to as the House of Representatives, the U.S. House, or simply the House, is the lower chamber of the United States Congress, with the Senate being the upper chamber. Together they ...

. MWCOG provides a forum for discussion and the development of regional responses to issues regarding the environment, transportation, public safety, homeland security, affordable housing, community planning, and economic development. The National Capital Region Transportation Planning Board, a component of MWCOG, is the federally designated Metropolitan Planning Organization for the metropolitan Washington area.

Baltimore Metropolitan Council

The Baltimore Metropolitan Council is the equivalent organization for the Baltimore portion of the combined Baltimore–Washington metropolitan area. The BMC, which was created in 1992 as the successor to the Regional Planning Council and Baltimore Regional Council of Governments, consists of the Baltimore region's elected executives, representing Baltimore City and Anne Arundel, Baltimore, Carroll, Harford and Howard counties.About BMC – Baltimore Metropolitan Council
The Baltimore Regional Transportation Board is the federally recognized Metropolitan Planning Organization for transportation planning in the Baltimore region.

List of principal cities

Baltimore area

Baltimore, Maryland Baltimore ( , locally: or ) is the most populous city in the U.S. state of Maryland, fourth most populous city in the Mid-Atlantic, and the 30th most populous city in the United States with a population of 585,708 in 2020. Baltimore was ...

* Aberdeen, Maryland *

Annapolis, Maryland Annapolis ( ) is the capital city of the U.S. state of Maryland and the county seat of, and only incorporated city in, Anne Arundel County. Situated on the Chesapeake Bay at the mouth of the Severn River, south of Baltimore and about east o ...

* Arbutus, Maryland * Bel Air, Maryland *

Brooklyn, Maryland Brooklyn is one of the southernmost neighborhoods in Baltimore, Maryland. It is located near Anne Arundel County, Maryland, Anne Arundel County along Albert C. Ritchie, Governor Ritchie Highway which is also Maryland Route 2. Its main roads are ...

* Brooklyn Park, Maryland *

Catonsville, Maryland Catonsville is a census-designated place (CDP) in Baltimore County, Maryland, United States. The population was 41,567 at the 2010 census. The community lies to the west of Baltimore along the city's border. Catonsville contains the majority of th ...

* Cockeysville, Maryland * Columbia, Maryland * Curtis Bay, Maryland *

Dundalk, Maryland Dundalk ( or ) is an unincorporated community and census-designated place in Baltimore County, Maryland, United States. The population was 67,796 at the 2020 census. In 1960 and 1970, Dundalk was the largest unincorporated community in Mar ...

* Eldersburg, Maryland * Elkridge, Maryland *

Ellicott City, Maryland Ellicott City is an unincorporated community and census-designated place in, and the county seat of, Howard County, Maryland, United States. Part of the Baltimore metropolitan area, its population was 65,834 at the 2010 census, making it the mo ...

* Essex, Maryland * Fullerton, Maryland * Glen Burnie, Maryland * Halethorpe, Maryland * Linthicum, Maryland *

Lutherville-Timonium, Maryland Lutherville-Timonium was a census-designated place (CDP) in Baltimore County, Maryland, Baltimore County, Maryland, United States, for the 2000 census. At that time the population was 15,814. For the 2010 census the area was split into two CDPs, t ...

* Middle River, Maryland *

North Laurel, Maryland North Laurel is a census-designated place (CDP) in Howard County, Maryland, United States. The published population was 4,474 at the 2010 census. This population was substantially less than the CDP's population in 2000, and was the result of an er ...

Owings Mills, Maryland Owings Mills is an unincorporated community and census-designated place in Baltimore County, Maryland, United States. It is a suburb of Baltimore. Per the 2020 census, the population was 35,674. Owings Mills is home to the northern terminus o ...

* Overlea, Maryland * Parkville, Maryland *

Pasadena, Maryland Pasadena is a census-designated place (CDP) in Anne Arundel County, Maryland, United States. The population was 24,287 at the 2010 census. The areas of Lake Shore, Riviera Beach and Pasadena are collectively referred to as Pasadena by residents ...

* Perry Hall, Maryland *

Pikesville, Maryland Pikesville is a census-designated place (CDP) in Baltimore County, Maryland, United States. Pikesville is just northwest of the Baltimore city limits. It is the northwestern suburb closest to Baltimore. The population was 30,764 at the 2010 cens ...

* Randallstown, Maryland * Reisterstown, Maryland *

Savage, Maryland Savage is an unincorporated community and census-designated place located in Howard County, Maryland, United States, approximately south of Baltimore and north of Washington, D.C. It is situated close to the city of Laurel and to the planned co ...

* Severna Park, Maryland * Towson, Maryland * Westminster, Maryland * Woodlawn, Maryland

Washington area

* Washington, District of Columbia * Bethesda, Maryland * Bowie, Maryland *

Chevy Chase, Maryland Chevy Chase () is the name of both a town and an unincorporated census-designated place (Chevy Chase (CDP), Maryland) that straddle the northwest border of Washington, D.C. and Montgomery County, Maryland, United States. Several settlements in th ...

* College Park, Maryland * Frederick, Maryland * Gaithersburg, Maryland *

Germantown, Maryland Germantown is an urbanized census-designated place in Montgomery County, Maryland, United States. With a population of 91,249 as of 2020 U.S. Decennial Census, Germantown is the third most populous place in Maryland, after the city of Baltimore ...

* Laurel, Maryland * Potomac, Maryland *

Rockville, Maryland Rockville is a city that serves as the county seat of Montgomery County, Maryland, and is part of the Baltimore–Washington metropolitan area. The 2020 census tabulated Rockville's population at 67,117, making it the fifth-largest community in ...

* Silver Spring, Maryland * Upper Marlboro, Maryland * Alexandria, Virginia * Annandale, Virginia * Arlington, Virginia *

Ashburn, Virginia Ashburn is a census-designated place (CDP) in Loudoun County, Virginia, United States. At the 2010 United States Census, its population was 43,511, up from 3,393 twenty years earlier. It is northwest of Washington, D.C., and part of the Washingt ...

* Chantilly, Virginia * Fairfax, Virginia *

* Great Falls, Virginia *

Herndon, Virginia Herndon is a town in Fairfax County, Virginia, in the Washington, D.C. metropolitan area of the United States. The population was 23,292 at the 2010 census. In 2020, the population was estimated to be 24,532, which makes it the largest of three i ...

* Langley, Virginia * Leesburg, Virginia * Manassas, Virginia * Manassas Park, Virginia *

Massaponax, Virginia Massaponax is an unincorporated community of Spotsylvania County, Virginia. The name Massaponax comes from a native American village that existed before and during the early colonization of Virginia. It means "corn as tall as man". Geography Mass ...

* McLean, Virginia * Mt. Vernon, Virginia *

Reston, Virginia Reston is a census-designated place in Fairfax County, Virginia and a principal city of the Washington metropolitan area. As of the 2020 U.S. Census, Reston's population was 63,226. Founded in 1964, Reston was influenced by the Garden City movem ...

* Springfield, Virginia *

Tysons, Virginia Tysons, also known as Tysons Corner, is a census-designated place (CDP) in Fairfax County, Virginia, United States, developed from the corner of Chain Bridge Road ( SR 123) and the Leesburg Pike ( SR 7). Located in Northern Virginia between the ...

* Vienna, Virginia * Charles Town, West Virginia * Martinsburg, West Virginia

Economy

Primary industries

Biotechnology

Not limited to its proximity to the National Institutes of Health in Bethesda, Maryland's Washington suburbs are a major center for biotechnology. Prominent local biotechnology companies include MedImmune,

United Therapeutics United Therapeutics Corporation is an American publicly-traded biotechnology company listed on the NASDAQ under the symbol UTHR. It develops novel, life-extending technologies for patients in the areas of lung disease and organ manufacturing. Un ...

The Institute for Genomic Research The J. Craig Venter Institute (JCVI) is a non-profit genomics research institute founded by J. Craig Venter, Ph.D. in October 2006. The institute was the result of consolidating four organizations: the Center for the Advancement of G ...

, Human Genome Sciences and the

Howard Hughes Medical Institute The Howard Hughes Medical Institute (HHMI) is an American non-profit medical research organization based in Chevy Chase, Maryland. It was founded in 1953 by Howard Hughes, an American business magnate, investor, record-setting pilot, engineer, fil ...

Defense contracting

Many defense contractors are based in Northern Virginia and Montgomery County, Maryland to be close to the Pentagon in Arlington. Local defense contractors include

Lockheed Martin The Lockheed Martin Corporation is an American aerospace, arms, defense, information security, and technology corporation with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta in March 1995. It ...

, the largest, as well as Northrop Grumman,

General Dynamics General Dynamics Corporation (GD) is an American publicly traded, aerospace and defense corporation headquartered in Reston, Virginia. As of 2020, it was the fifth-largest defense contractor in the world by arms sales, and 5th largest in the Uni ...

BAE Systems Inc. BAE Systems Inc. (formerly BAE Systems North America) is an American subsidiary of British defense, security, and aerospace company BAE Systems plc. The American subsidiary operates under a Special Security Agreement which allows it to work o ...

Computer Sciences Corporation Computer Sciences Corporation (CSC) was an American multinational corporation that provided information technology (IT) services and professional services. On April 3, 2017, it merged with the Enterprise Services line of business of HP Ente ...

(CSC), Booz Allen Hamilton, Leidos, Science Applications International Corporation (SAIC), and Orbital Sciences Corporation.

Notable company headquarters in the region

''Numbers denote

Fortune 500 The ''Fortune'' 500 is an annual list compiled and published by ''Fortune'' magazine that ranks 500 of the largest United States corporations by total revenue for their respective fiscal years. The list includes publicly held companies, along ...

ranking.''

Maryland

Baltimore area: *

Advertising.com AOL (stylized as Aol., formerly a company known as AOL Inc. and originally known as America Online) is an American web portal and online service provider based in New York City. It is a brand marketed by the current incarnation of Yahoo! Inc. ...

(

) *

Allegis Group Allegis Group, Inc. is an international talent management firm headquartered in Hanover, Maryland, USA. As of 2018, it had in revenue, and 19,000 employees. It ranks fourth in the world after Adecco, Randstad and Manpower Inc. History Founded ...

( Hanover) * Black & Decker ( Towson) * Ciena Corporation ( Hanover) *

Colfax Corporation Enovis (formerly Colfax Corporation) is a medical technology company, with a particular focus in orthopedics. Headquartered in Wilmington, Delaware, the company is listed on the NYSE as ENOV. The company has over 5,000 employees operating at 12 ...

( Annapolis Junction) * Constellation Energy (

) * Corporate Office Properties Trust (

Columbia Columbia may refer to: * Columbia (personification), the historical female national personification of the United States, and a poetic name for America Places North America Natural features * Columbia Plateau, a geologic and geographic region in ...

) *

The Cordish Companies The Cordish Companies (previously The Cordish Company) is a U.S.-based real estate development and entertainment operating company with its headquarters on the 6th floor of the Pratt Street Power Plant in Baltimore, Maryland. It was founded ...

(

) * CoverGirl ( Hunt Valley) *

Fila Fila Holdings Corp. is a sportswear brand of shoes and apparel. The company was founded by Ettore and Giansevero Fila in 1911 in Coggiola, near Biella, Piedmont, Italy. In 2003, it was sold to United States-based Sports Brand International. Sub ...

USA (

Sparks Sparks may refer to: Places *Sparks, Georgia * Sparks, Kansas *Sparks, Kentucky *Sparks, Maryland * Sparks, Nebraska *Sparks, Nevada *Sparks, Oklahoma *Sparks, Texas * Sparks, Bell County, Texas * Sparks, West Virginia Books * ''Sparks'' (Raffi ...

) * Firaxis Games (

) * Legg Mason (

) * McCormick & Company ( Hunt Valley) ''482'' * MICROS Systems (

) *

Millennial Media One by AOL, formerly known as Millennial Media, is an advertising company that places display ads on mobile devices (mobile marketing). History One by AOL was founded as Millennial Media in May 2006 by Paul Palmieri and Chris Brandenburg. T ...

(

) * Nielsen Audio (

) * Pandora Jewelry USA (

) *

T. Rowe Price T. Rowe Price Group, Inc. is an American publicly owned global investment management firm that offers funds, subadvisory services, separate account management, and retirement plans and services for individuals, institutions, and financial inter ...

(

) ''447'' * Transamerica Corporation (

) * Sinclair Broadcast Group ( Hunt Valley) ''465'' *

Sourcefire Sourcefire, Inc was a technology company that developed network security hardware and software. The company's Firepower network security appliances were based on Snort, an open-source intrusion detection system (IDS). Sourcefire was acquired b ...

(

) * Sylvan Learning (

) * Under Armour (

) * W.R. Grace & Co. (

) * The Whiting-Turner Contracting Co. ( Towson) Washington area: *

2U (company) 2U, Inc. is an American educational technology company that contracts with non-profit colleges and universities to build, deliver and support online degree and non-degree programs. The company is an online program manager (OPM), supplying its cli ...

(

Lanham, Maryland Lanham is an unincorporated community and census-designated place in Prince George's County, Maryland. As of the 2020 United States Census it had a population of 11,282. The New Carrollton station (the terminus of the Washington Metro's Orange Li ...

) * ASRC Aerospace Corporation ( Greenbelt, Maryland) *

Bethesda Softworks Bethesda Softworks LLC is an American video game publisher based in Rockville, Maryland. The company was founded by Christopher Weaver in 1986 as a division of Media Technology Limited, and in 1999 became a subsidiary of ZeniMax Media. In its ...

( Rockville) *

Clark Construction Clark Construction, also referred to as Clark Construction Group, LLC, is a construction firm headquartered in Bethesda, Maryland, and founded in 1906. The company had 2018 annual revenue of more than $5 billion, and is one of the largest commerc ...

( Bethesda) * Choice Hotels ( Rockville) *

Coventry Health Care Coventry Health Care, Inc. was a health insurer in the United States. It had 3.7 million medical members, 1.5 million Medicare Part D members, and 900,000 Medicaid members. In May 2013, the company was acquired by Aetna for $5.7 billion. History ...

( Bethesda) * EagleBank ( Bethesda) *

Enviva Enviva is the world’s largest producer of wood pellets, a renewable alternative to coal. The company has also been the subject of controversy regarding its sustainability with an environmental group's analysis suggesting Enviva is responsible ...

( Bethesda) *

Federal Realty Investment Trust Federal Realty Investment Trust is a real estate investment trust that invests in shopping centers in the Northeastern United States, the Mid-Atlantic states, California, and South Florida. Investments As of December 31, 2021, the company owne ...

( Rockville) *

GEICO The Government Employees Insurance Company (GEICO ) is a private American auto insurance company with headquarters in Chevy Chase, Maryland. It is the second largest auto insurer in the United States, after State Farm. GEICO is a wholly owne ...

( Chevy Chase) * Host Hotels & Resorts ( Bethesda) ''472'' * Hughes Network Systems ( Germantown) *

Inovalon Inovalon is an American technology company that provides cloud-based tools for healthcare. History The company was founded in 1998 in Maryland as MedAssurant by Keith Dunleavy, MD. In June 2012, the company changed its name to Inovalon. The com ...

( Bowie, Maryland) * JBG Smith ( Chevy Chase) *

( Bethesda) ''49'' *

Marriott International Marriott International, Inc. is an American multinational corporation, multinational company that operates, franchises, and licenses lodging including hotel, residential, and timeshare properties. It is headquartered in Bethesda, Maryland. T ...

( Bethesda) ''293'' * MedImmune (

Gaithersburg Gaithersburg ( ), officially the City of Gaithersburg, is a city in Montgomery County, Maryland, United States. At the time of the 2020 U.S. Census, Gaithersburg had a population of 69,657, making it the ninth-largest location in the state. Ga ...

) * New Enterprise Associates ( Chevy Chase) * Novavax (

) * Radio One ( Lanham) * Ritz-Carlton ( Chevy Chase) * Travel Channel ( Chevy Chase) * TV One ( Silver Spring) *

( Silver Spring)

Washington, D.C.

&pizza &pizza (pronounced "And Pizza") is an American fast casual pizza restaurant chain, with 36 locations in Washington, D.C., Maryland, Virginia, New York, New Jersey, Pennsylvania and Florida. The restaurant sells personal and customizable oblong-s ...

* APCO Worldwide * Atlantic Media *

Black Entertainment Television Black Entertainment Television (acronym BET) is an American basic cable channel targeting African-American audiences. It is owned by the CBS Entertainment Group unit of Paramount Global via BET Networks and has offices in New York City, Los ...

* Blackboard Inc. *

Bluemercury Bluemercury is a chain of American beauty stores founded in 1999 by Marla Malcolm Beck and Barry Beck in Georgetown, Washington, D.C. The stores sell cosmetics, as well as in-store facials and spa treatments. In addition to selling products from o ...

* Carlyle Group *

Chemonics Chemonics International, Inc. is a private international development firm based in Washington, D.C. It was established in 1975 by Thurston F. (Tony) Teele as a subsidiary of Erly Industries. The employee-owned company offers a variety of services ...

* Cogent Communications * CoStar Group * Danaher Corporation ''239'' * Fannie Mae ''53'' *

FiscalNote FiscalNote Holdings, Inc., or commonly FiscalNote, is a publicly traded software, data, and media company headquartered in Washington, D.C. The company was founded by Timothy Hwang, Gerald Yao, and Jonathan Chen in 2013. FiscalNote provides softwa ...

Framebridge Framebridge is a direct-to-consumer Startup company, startup company in the custom Picture frame, framing industry. The company allows customers to upload photography or mail in art to be framed. History The company was founded in 2014 by Susan T ...

Gallup Gallup may refer to: *Gallup, Inc., a firm founded by George Gallup, well known for its opinion poll *Gallup (surname), a surname *Gallup, New Mexico, a city in New Mexico, United States **Gallup station, an Amtrak train in downtown Gallup, New Me ...

* Mapbox *

Morning Consult Morning Consult is a global decision intelligence company established in 2014. It was named one of the fastest growing technology companies in North America by Deloitte in both 2018 and 2019 and was valued at more than one billion dollars in Jun ...

* National Geographic Society * NGP VAN * Pepco Holdings ''279'' * Social Tables * The Advisory Board Company * The Washington Post Company * Vox Media * XM Satellite Radio

Northern Virginia

* AES Corporation ( Arlington) ''194'' * Amazon ( Crystal City) *

Appian Corporation Appian Corporation is a cloud computing and enterprise software company headquartered in McLean, Virginia, part of the Dulles Technology Corridor. The company sells a platform as a service (PaaS) for building enterprise software applications. It ...

( Tysons Corner) *

AvalonBay Communities AvalonBay Communities, Inc. is a publicly traded real estate investment trust that invests in apartments. As of January 31, 2021, the company owned 79,856 apartment units in New England, the New York City metropolitan area, the Washington, D.C ...

( Arlington) *

Airbus North America Airbus SE (; ; ; ) is a European multinational aerospace corporation. Airbus designs, manufactures and sells civil and military aerospace products worldwide and manufactures aircraft throughout the world. The company has three divisions: '' ...

(

Herndon Herndon may refer to: People * Herndon (surname), an American surname * Herndon Davis (1901–1962), American artist, journalist, illustrator, and painter Places in the United States Communities * Herndon, California, an unincorporated commun ...

) *

( Arlington) *

Bechtel Bechtel Corporation () is an American engineering, procurement, construction, and project management company founded in San Francisco, California, and headquartered in Reston, Virginia. , the ''Engineering News-Record'' ranked Bechtel as the sec ...

( Reston) * Bloomberg Industry Group ( Arlington) * Boeing Defense, Space & Security ( Arlington) * Booz Allen Hamilton (

McLean MacLean, also spelt Maclean and McLean, is a Goidelic languages, Gaelic surname Mac Gille Eathain, or, Mac Giolla Eóin in Irish language, Irish Gaelic), Eóin being a Gaelic form of Johannes (John (given name), John). The clan surname is an A ...

) ''481'' *

CACI CACI International Inc. (originally California Analysis Center, Inc., then Consolidated Analysis Center, Inc.) is an American multinational professional services and information technology company headquartered in Northern Virginia. CACI provi ...

( Arlington) * Capital One (

) ''100'' * Carfax ( Centreville, Virginia) *

(

Falls Church Falls Church is an independent city in the Commonwealth of Virginia. As of the 2020 census, the population was 14,658. Falls Church is included in the Washington metropolitan area. Taking its name from The Falls Church, an 18th-century Churc ...

) ''379'' * Communications Satellite Corporation (

) * Comscore ( Reston) * Cvent ( Tysons Corner) *

DynCorp International DynCorp (), formally DynCorp International, was an American private military contractor. Started as an aviation company, the company also provided flight operations support, training and mentoring, international development, intelligence training ...

(

) * Freddie Mac (

) ''39'' * FNH USA ( Fredericksburg) * FLIR Systems Government and Defense ( Arlington) * Graham Holdings ( Arlington) *

Gannett Company Gannett Co., Inc. () is an American mass media holding company headquartered in McLean, Virginia, in the Washington, D.C., metropolitan area.McLean MacLean, also spelt Maclean and McLean, is a Goidelic languages, Gaelic surname Mac Gille Eathain, or, Mac Giolla Eóin in Irish language, Irish Gaelic), Eóin being a Gaelic form of Johannes (John (given name), John). The clan surname is an A ...

) *

(

) ''90'' * GTT Communications ( Tysons Corner) * Hilton Hotels Corporation (

) ''241'' * ICF International (

Fairfax Fairfax may refer to: Places United States * Fairfax, California * Fairfax Avenue, a major thoroughfare in Los Angeles, California * Fairfax District, Los Angeles, California, centered on Fairfax Avenue * Fairfax, Georgia * Fairfax, Indiana * Fa ...

) * Iridium Communications (

) *

Stride, Inc. Stride, Inc. (formerly K12 Inc.) is a for-profit education company that provides online and blended education programs. Stride, Inc. is an education management organization (EMO) that provides online education designed as an alternative to tr ...

(

) * Kellogg Brown and Root Services ( Arlington) * Leidos ( Reston) ''381'' * Ligado Networks ( Reston) * Mars, Incorporated (

) *

M.C. Dean, Inc. M.C. Dean, Inc. is a design-build and systems integration corporation for complex, mission-critical organizations. Started in 1949 as a small electrical firm, it has since grown to 3,800 employees and a revenue of approximately $810 million in 2 ...

( Dulles) *

MicroStrategy MicroStrategy Incorporated is an American company that provides business intelligence (BI), mobile software, and cloud-based services. Founded in 1989 by Michael J. Saylor, Sanju Bansal, and Thomas Spahr, the firm develops software to analyze i ...

( Tysons Corner) *

Naviance Naviance is an American college and career readiness software provider that partners with high schools and other K–12 institutions to provide students with college planning and career assessment tools. The company reports that its products reach ...

( Arlington) *

Navy Federal Credit Union Navy Federal Credit Union (or Navy Federal) is a global credit union headquartered in Vienna, Virginia, chartered and regulated under the authority of the National Credit Union Administration (NCUA). Navy Federal is the largest natural member (o ...

( Vienna) *

NII Holdings NII Holdings, Inc. (formerly Nextel International) was an American holding company that, through its subsidiary Nextel Telecomunicações Ltda., provided mobile communications services under the Nextel brand in Brazil. NII operated 3G UMTS/HSDPA ...

( Reston) * Northrop Grumman (

) ''114'' * NVR Incorporated ( Reston) ''446'' * Orbital Sciences ( Dulles) *

Park Hotels & Resorts Park Hotels & Resorts is a real estate investment trust (REIT) focused on hotel properties, based in Tysons, Virginia. It was formed in 2017 as a spin-off from Hilton Worldwide. History Hilton Worldwide CEO Christopher Nassetta stated in June 20 ...

( Tysons Corner) * Parsons Corporation ( Centreville) * Rolls-Royce North America ( Reston) * Rosetta Stone ( Arlington) * Science Applications International Corporation (

) * SLM Corporation ( Reston) "Sallie Mae" *

Strategic Education, Inc. Strategic Education, Inc. (SEI), is an education services holding company and is formerly known as Strayer Education, Inc. The company owns for-profit, online Capella University and Strayer University, as well as non-degree programs schools suc ...

(

) * Space Adventures ( Vienna) *

Tegna Inc. Tegna Inc. (stylized in all caps as TEGNA) is an American publicly traded broadcast, digital media and marketing services company headquartered in Tysons Corner, Virginia. It was created on June 29, 2015, when the Gannett Company split into tw ...

( Tysons Corner) *

The Motley Fool The Motley Fool is a private financial and investing advice company based in Alexandria, Virginia. It was founded in July 1993 by co-chairmen and brothers David Gardner and Tom Gardner, and Erik Rydholm, who has since left the company. The compa ...

( Alexandria, Virginia) * The Teaching Company (

Chantilly Chantilly may refer to: Places France * Chantilly, Oise, a city located in the Oise department ** US Chantilly, a football club * Château de Chantilly, a historic château located in the town of Chantilly United States *Chantilly, Miss ...

) * Verisign ( Reston) * Verizon Business (

Ashburn __NOTOC__ Ashburn may refer to: Places Canada *Ashburn, Ontario United States *Ashburn, Georgia *Ashburn, Chicago, Illinois, a community area **Ashburn (Metra), a Metra station serving the area * Ashburn, Missouri * Ashburn, Virginia, an unincorpo ...

) *

Volkswagen Group of America Volkswagen Group of America, Inc. (sometimes referred to as Volkswagen of America, abbreviated to VWoA), is the North American operational headquarters, and subsidiary of the Volkswagen Group of automobile companies of Germany. VWoA is responsi ...

(

) *

VSE Corporation VSE Corporation () is a diversified products and services company providing repair services, distribution, logistics, supply chain management support and consulting services for land, sea, and air transportation assets in the public and private ...

( Alexandria, Virginia) * XO Communications (

)

Sports

Table of professional teams and venues

Transportation

Washington Dulles International Airport at Dusk

Commercial Service Airports

Rail transit systems

* Amtrak *

Washington Metro The Washington Metro (or simply Metro), formally the Metrorail,Google Books search/preview

Virginia Railway Express Virginia Railway Express (VRE) is a commuter rail service that connects outlying small cities of Northern Virginia to Union Station in Washington, D.C. It operates two lines which run during weekday rush hour only: the Fredericksburg Line from ...

* MARC Train * Baltimore Light Rail *

Metro Subway Rapid transit or mass rapid transit (MRT), also known as heavy rail or metro, is a type of high-capacity public transport generally found in urban areas. A rapid transit system that primarily or traditionally runs below the surface may be c ...

* DC Streetcar * '' Purple Line'' (future light rail)

Major highways

Interstates * I-66

Interstate 66 * I-70

Interstate 70 * I-81

Interstate 81 * I-83

Interstate 83 * I-95

Interstate 95 Interstate 95 (I-95) is the main north–south Interstate Highway on the East Coast of the United States, running from U.S. Route 1, US Route 1 (US 1) in Miami, Miami, Florida, to the Houlton–Woodstock Border Crossing between M ...

Interstate 97 * I-195

Interstate 195 * I-270

Interstate 270 * I-295

Interstate 295 * I-370

Interstate 370 Interstate 370 (I-370) is a Interstate Highway spur route off I-270 in Gaithersburg, Maryland, to the western end of the Maryland Route 200 (MD 200, Intercounty Connector) toll road at an interchange that provides access to the park ...

Interstate 395 (District of Columbia-Virginia) Interstate 395 may refer to: *Interstate 395 (Connecticut–Massachusetts), a spur from I-95 to Auburn, Massachusetts *Interstate 395 (Delaware), a proposed portion of I-95 in Delaware, when it was under construction *Interstate 395 (Florida), a spu ...

Interstate 395 (Maryland) * I-495

Interstate 495 (Capital Beltway) * I-595

Interstate 595 (Unsigned) * I-695

Interstate 695 (District of Columbia) Interstate 695 (I-695) is a auxiliary Interstate Highway in Washington, D.C. It is also known as the Southeast Freeway. It travels from an interchange with I-395 south of the United States Capitol building east then south across the 11th ...

Interstate 695 (Baltimore Beltway) * I-795

Interstate 795 * I-895

Interstate 895 Interstate 895 (I-895) is an Interstate Highway in the U.S. state of Maryland. Known as the Harbor Tunnel Thruway, the highway runs between one junction with I-95 in Elkridge and another interchange with I-95 on the east side of Baltimore. I- ...

U.S. Routes * US 1

U.S. Route 1 * US 11

U.S. Route 11 {{Infobox road , country=USA , type=US , route=11 , map={{maplink, frame=yes, plain=yes, frame-align=center, frame-width=290, frame-height=330, type=line, from=U.S. Route 11.map , map_custom=yes , map_notes=US 11 in red, US 11E in blue, US 11W in ...

U.S. Route 15 U.S. Route 15 (US 15) is a -long United States highway, designated along South Carolina, North Carolina, Virginia, Maryland, Pennsylvania, and New York. The route is signed north–south, from U.S. Route 17 Alternate in Walterboro, South Caro ...

U.S. Route 29 * US 40

U.S. Route 40 U.S. Route 40 or U.S. Highway 40 (US 40), also known as the Main Street of America, is a major east–west United States Highway traveling across the United States from the Mountain States to the Mid-Atlantic States. As with most routes wh ...

U.S. Route 50 U.S. Route 50 or U.S. Highway 50 (US 50) is a major east–west route of the U.S. Highway system, stretching from Interstate 80 (I-80) in West Sacramento, California, to Maryland Route 528 (MD 528) in Ocean City, Maryland, on the Atlanti ...

U.S. Route 301 U.S. Route 301 (US 301) is a spur of U.S. Route 1 running through the South Atlantic States. It runs from Biddles Corner, Delaware at Delaware Route 1 to Sarasota, Florida at U.S. Route 41. It passes through the states of Delaware, Mar ...

U.S. Route 340 U.S. Route 340 (US 340) is a spur route of US 40, and runs from Greenville, Virginia to Frederick, Maryland. In Virginia, it runs north–south, parallel and east of US 11, from US 11 north of Greenville via Waynesboro, Grottoes, Elkton, ...

State Routes * MD Route 2

Maryland Route 2 Maryland Route 2 (MD 2) is the longest state highway in the U.S. state of Maryland. The route runs from Solomons Island in Calvert County north to an intersection with U.S. Route 1 (US 1)/ US 40 Truck ( North Avenue) in Baltimore. The route ...

Maryland Route 4 Maryland Route 4 (MD 4) is a state highway in the U.S. state of Maryland. The highway runs from MD 5 in Leonardtown north to Southern Avenue in Suitland at the District of Columbia boundary, beyond which the highway continues into Washingto ...

Maryland Route 5 Maryland Route 5 (MD 5) is a long state highway that runs north–south in the U.S. state of Maryland. The highway runs from Point Lookout in St. Mary's County north to the Washington, D.C. border in Suitland, Prince George's County. MD ...

Maryland Route 26 Maryland Route 26 (MD 26) is a state highway in the U.S. state of Maryland. Known for most of its length as Liberty Road, the state highway runs from U.S. Route 15 (US 15) in Frederick east to MD 140 in Baltimore. MD 26 connects Frederick and ...

Maryland Route 32 * MD Route 97

Maryland Route 97 * MD Route 100

Maryland Route 100 * MD Route 200

Maryland Route 200 (Intercounty Connector) * MD Route 295

Baltimore–Washington Parkway (Maryland Route 295) * MD Route 355

Maryland Route 355 * Virginia 3

Virginia State Route 3 Virginia State Route 3 is a primary state highway in the U.S. state of Virginia that extends from the town of Culpeper south and eastwardly to Gloucester in Virginia's Middle Peninsula region. For many years, a portion was named "Historyland Hi ...