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.
Sony launched in 1998 their Memory Stick format, flash memory cards for use in Sony lines of digital cameras and portable music players. It has seen little support outside of Sony's own products, with Secure Digital cards (SD) commanding considerably greater popularity.ony Corporation is the electronics business unit and the parent company of the Sony Group. It primarily conducts strategic business planning of the group, research and development (R&D), planning, designing and marketing for electronics products.