Robert S. Walker

Wexler & Walker Public Policy Associates operates government relation firms. Its services include strategic planning, direct lobbying, government marketing, mergers and acquisitions, global networking, coalition building & management and grassroots communications. Its clients are come from industries like tax, trade, insurance, transportation, and legal reform. The company was founded by Robert S. Walker and Anne L. Wexler in 1981 and is located in Washington, DC.

Space Adventures, Ltd. is a private spaceflight holding company. It provides private citizens the opportunity to experience space tourism. It offers zero gravity flights, circumlunar missions, rocket launch tours, suborbital spaceflights, spacewalks, and visits to the International Space Station. The company was founded by Eric Anderson and Peter Diamandis in 1998, and is headquartered in Vienna, VA.

The Aerospace Corp. provides information on launch vehicles, satellite systems, ground control systems, and space technology. It operates a Federally Funded Research and Development Center for the United States Air Force and the National Reconnaissance Office. The firm also provides independent technical and scientific research, development, and advisory services to national-security space programs. The company was founded in 1960 and is headquartered in El Segundo, CA.

SpaceDev, Inc. develops spacecraft microsats, nanosats and maneuvering and orbital transfer vehicles. The company was founded by James Benson in 1997 and is headquartered in Sparks, NV.