OTC may refer to:

Finance

Over-the-counter (finance) Over-the-counter (OTC) or off-exchange trading or pink sheet trading is done directly between two parties, without the supervision of an exchange (organized market), exchange. It is contrasted with exchange trading, which occurs via exchanges. ...

* One time charge, for example in the big bath technique *

Order to cash Order to cash (OTC or O2C) normally refers to one of the top-level (context level) business processes for receiving and processing customer orders and revenue recognition. Other top-level business processes include "Marketing to Lead", "Opportunity ...

process

Medicine

Over-the-counter drug Over-the-counter (OTC) drugs are medicines sold directly to a consumer without a requirement for a prescription from a healthcare professional, as opposed to prescription drugs A prescription drug (also prescription medication or prescripti ...

Oxytetracycline Oxytetracycline is a broad-spectrum tetracycline antibiotic, the second of the group to be discovered. Oxytetracycline works by interfering with the ability of bacteria to produce essential proteins. Without these proteins, the bacteria cannot g ...

Biochemistry

Ornithine transcarbamylase Ornithine transcarbamylase (OTC) (also called ornithine carbamoyltransferase) is an enzyme () that catalyzes the reaction between carbamoyl phosphate (CP) and ornithine (Orn) to form citrulline (Cit) and phosphate (Pi). There are two classes of OT ...

, also called OTC gene or ornithine carbamoyltransferase

Computer science and technology

* On-tape Catalog, a section of a

Microsoft Tape Format Microsoft Tape Format (MTF) is the tape format used by several backup tools for the Microsoft Windows platform. Notable examples include Microsoft's NTBackup program, Backup Exec and the backup utilities included in Microsoft SQL Server. Several ...

file * OpenType Collection (OTC), a file format for bundling multiple

OpenType OpenType is a format for scalable computer fonts. It was built on its predecessor TrueType, retaining TrueType's basic structure and adding many intricate data structures for prescribing typographic behavior. OpenType is a registered trademark o ...

fonts * Orbiter test conductor, part of NASA's

Launch Control Center The Rocco A. Petrone Launch Control Center (commonly known as just the Launch Control Center or LCC) is a four-story building at NASA's Kennedy Space Center on Merritt Island, Florida, used to manage launches of launch vehicles from Kennedy Space ...

Arts, entertainment, and media

* ''

Offworld Trading Company ''Offworld Trading Company'' is a real-time strategy (RTS) video game developed by Mohawk Games and published by Stardock. The game was released for Microsoft Windows and OS X in April 2016. Gameplay ''Offworld Trading Company'' is a science fict ...

'', a real-time strategy video game *

The Olivia Tremor Control The Olivia Tremor Control is an American psychedelic band from Athens, Georgia. The band's main line-up comprised Will Cullen Hart, Bill Doss, Eric Harris, John Fernandes, and Peter Erchick. The Olivia Tremor Control's music encompasses a wide r ...

, a band * Opera Theatre Company, merged with in 2017 to form

Irish National Opera The Irish National Opera was created from a merger of the Opera Theatre Company (OTC) and Wide Open Opera in 2017 and launched in January 2018. The new entity continues the tradition of the former Opera Ireland (), Ireland's first permanent natio ...

* OTC (band), a Congolese soukous group

Brands and enterprises

Oliver Typewriter Company The Oliver Typewriter Company was an American typewriter manufacturer headquartered in Chicago, Illinois. The Oliver Typewriter was one of the first "visible print" typewriters, meaning text was visible to the typist as it was entered. Oliver ...

, a former US company *

Open Text Corporation OpenText Corporation (also written ''opentext'') is a Canadian company that develops and sells enterprise information management (EIM) software. OpenText, headquartered in Waterloo, Ontario, Canada, is Canada's fourth-largest software company ...

, a Canadian software company *

Oriental Trading Company Oriental Trading Company is a direct merchant of value-priced party supplies, arts and crafts, toys, novelties, and school supplies. It was founded in 1932 as one of the United States' first wholesaling companies. Oriental Trading has been reco ...

, based in Omaha, Nebraska *

Oshkosh Truck Corporation Oshkosh Corporation, formerly Oshkosh Truck, is an American industrial company that designs and builds specialty trucks, military vehicles, truck bodies, airport fire apparatus, and access equipment. The corporation also owns Pierce Manufac ...

, former name of the Oshkosh Corporation *

OTC Markets Group OTC Markets Group (previously known as Pink Sheets) is an American financial market providing price and liquidity information for almost 10,000 over-the-counter (OTC) securities. The group has its headquarters in New York City. OTC-traded sec ...

, a private company that provides services to the US over-the-counter securities market *

OTC Tool Company OTC Tools (originally Owatonna Tool Company) is a tool and equipment manufacturer. It was founded in Owatonna, Minnesota, by Godfrey Kaplan, who operated a small machine shop there. Kaplan's son Rueben, invented the "Grip-O-Matic" universal gear ...

, originally the Owatonna Tool Company

Organizations

Education

Oakwood Technology College Oakwood High School is a coeducational secondary school with academy status in Rotherham, South Yorkshire, England, which in 2022 had 1,052 students. History Oakwood began life as two separate single-sex 11–18 secondary technical schools. O ...

, in Rotherham, South Yorkshire * Okefenokee Technical College, in Waycross and Alma, in the US state of Georgia *

Ozarks Technical Community College Ozarks Technical Community College (OTC) is a public community college in Springfield, Missouri. It was established by Springfield and thirteen surrounding public school districts on April 3, 1990. It has six locations in southern Missouri. St ...

, in Springfield, Missouri *

Roy Campanella Occupational Training Center Roy Campanella Occupational Training Center, also known as Brooklyn Occupational Training Center, Roy Campanella OTC or simply the Roy Campanella School is a public high school located at 64 Avenue X, in Brooklyn, New York, USA, under the jurisdi ...

, public high school in Brooklyn, New York

Government

Office of Transportation Cooperatives The Office of Transportation Cooperatives (OTC) is a government agency of the Philippines mandated to promulgate and implement rules and regulations that governs the promotion, organization, regulation, supervision, registration through accredi ...

Ohio Turnpike Commission The Ohio Turnpike, officially the James W. Shocknessy Ohio Turnpike, is a limited-access toll highway in the U.S. state of Ohio, serving as a primary corridor between Chicago and Pittsburgh. The road runs east–west in the northern section of ...

Oklahoma Tax Commission The Oklahoma Tax Commission (OTC) is the Oklahoma state government agency that collects taxes and enforces the taxation and revenue laws of the state. The Commission is composed of three members appointed by the Governor of Oklahoma and confirmed ...

Overseas Telecommunications Commission The Overseas Telecommunications Commission (OTC) was established by Australia in August 1946. It inherited facilities and resources from Amalgamated Wireless Australasia Limited (AWA) and Cable & Wireless, and was charged with responsibility ...

, Australia's former international telecommunications service

Military

Officer in tactical command In NATO, the officer in tactical command (OTC) is the naval officer exercising tactical command of a group of ships in a tactical formation such as a task unit, task group, or task force. Ships travelling together on a specific mission might hav ...

Officers' Training Corps The Officers' Training Corps (OTC), more fully called the University Officers' Training Corps (UOTC), are military leadership training units operated by the British Army. Their focus is to develop the leadership abilities of their members whilst ...

Other organizations

Offshore Technology Conference Offshore Technology Conference (OTC) is a series of conferences and exhibitions, focused on the exchanging technical knowledge relevant to the development of offshore energy resources, primarily oil and natural gas. It was founded in 1969. There a ...

, an organization that holds conferences on offshore energy technology, based in Houston, Texas *

One Thousand Children The One Thousand Children (OTC) is a designation, created in 2000, which is used to refer to the approximately 1,400 Jewish children who were rescued from Nazi Germany and other Nazi-occupied or threatened European countries, and who were taken di ...

, child survivors of the Holocaust who fled to America without their parents *

Oregon Track Club The Oregon Track Club (OTC) is an American running organization based in Eugene, Oregon. History Emerald Empire Athletic Association Formed by Bill Bowerman, the Emerald Empire Athletic Association (EEAA) was the predecessor to the Oregon Track C ...

, an athletic association

Places

* Bol-Bérim Airport, by IATA-Code *

Odenton Town Center The Odenton Town Center is a area of Odenton, Anne Arundel County, Maryland, United States, designated in official plans for mixed-use development. The Odenton Town Center has been planned as a Town Center since 1968. In 1990, legislation cre ...

Ogilvie Transportation Center The Richard B. Ogilvie Transportation Center (; formerly Chicago and North Western Terminal) is a commuter rail terminal in downtown Chicago, Illinois. It is the terminus for the three commuter rail lines of Metra's Union Pacific District to Chica ...

, Chicago, Illinois *

Overlake Transit Center Redmond Technology station, formerly Overlake Transit Center, is a bus station and future light rail station in Redmond, Washington, United States. The current bus station opened in 2002 and is located on the headquarters campus of Microsoft; i ...

United States Olympic Training Center The United States Olympic & Paralympic Training Centers (OPTCs) are two campuses created by the United States Olympic & Paralympic Committee (USOPC) as training facilities for its Olympic and Paralympic athletes. They are located in Colorado Sprin ...

, training facility for US Olympic and Paralympic athletes