With over 37,000 employees in 46 states, the District of Columbia, and Puerto Rico, GCA serves a variety of sectors, including K-12 schools, higher education, manufacturing, corporate office buildings, high-tech, bio-pharmaceutical, nuclear power, energy & utilities, defense, the rental car market, and others.arket Expertise. GCA Services Group focuses on clients where the quality of cleaning, safety, maintenance, and appearance is critical to the basic function of the establishment. We serve a wide variety of market sectors, including the following, with our vast expertise and superior quality.
Tokyo Tsushin Kogyo K.K. (Tokyo Telecommunications Engineering Corporation) was founded by Masaro Ibuka and Akio Morita in 1946. The company changed its name to Sony Corporatâ¦ion in 1958.
In addition, the company offers animation and modeling, audio production, design and illustration, education, game development, photo editing, utilities, video production, and Web publishing software solutions; and hardware products. Valve Corporation was founded in 1996 and is based in Belle... Valve Corporation, an entertainment software and technology company, operates a game platform that distributes and manages various games to a community of players around the world.