__NOTOC__ Anderson Greenwood Crosby is a US manufacturing company that produces valves for industrial processes, including pressure relief and tank protection valves. The firm was established as Anderson Greenwood in 1947 in

Houston, Texas Houston (; ) is the most populous city in Texas, the most populous city in the Southern United States, the fourth-most populous city in the United States, and the sixth-most populous city in North America, with a population of 2,304,580 in ...

Marvin Greenwood Marvin may refer to: __NOTOC__ Geography ;In the United States * Marvyn, Alabama, also spelled Marvin, an unincorporated community * Marvin, Missouri, an unincorporated community * Marvin, North Carolina, a village * Marvin, South Dakota, a town * R ...

, Ben Anderson, and

Lomis Slaughter Jr The hairy stone crab (''Lomis hirta'') is a crab-like crustacean that lives in the littoral zone of southern Australia from Bunbury, Western Australia, to the Bass Strait. It is the only species in its family. It is wide, slow-moving, and covere ...

to produce a light aircraft, the AG-14. This project never made it past the prototyping stage, but involvement in a missile project soon thereafter saw the firm focus on valve design. In the 1970s, the firm owned the

Bellanca AviaBellanca Aircraft Corporation was an American aircraft design and manufacturing company. Prior to 1983, it was known as the Bellanca Aircraft Company. The company was founded in 1927 by Giuseppe Mario Bellanca, although it was preceded by p ...

name for a while, and during this time attempted to market a new light plane design as the

Bellanca Aries The Bellanca T-250 Aries was a light airplane built in the United States in the early 1970s, which achieved only limited production. Designed by Marvin Greenwood while Anderson-Greenwood owned the Bellanca name, it was a conventional low-wing mon ...

, but was short lived with only 4 being sold. It was purchased in 1986 by

Keystone International Keystone or key-stone or ''variation'', may refer to: * Keystone (architecture), a central stone or other piece at the apex of an arch or vault * Keystone (cask), a fitting used in ale casks Business * Keystone Law, a full-service law firm * Dig ...

, in turn acquired by

Tyco Flow Control Tyco may refer to: * Tyco International, a diversified industrial conglomerate ** TE Connectivity, formerly Tyco Electronics, a former segment of Tyco International ** Tyco Solarlok, a type of electrical connector widely known as "the Tyco connecto ...

in 1997, with Anderson Greenwood being maintained as a subsidiary. It was subsequently merged with Crosby, another Tyco acquisition.

References

* {{cite book , last= Gunston , first= Bill , title=World Encyclopedia of Aircraft Manufacturers , year=1993 , publisher=Naval Institute Press , location= Annapolis
Company website
* ''International Directory of Company Histories'', Vol. 11. St. James Press, 1995. Manufacturing companies based in Houston Defunct aircraft manufacturers of the United States Defunct companies based in Texas