Spectrum Building Services of America, Whittier, California, joined National Service Alliance, (NSA), the group purchasing organization for building service contractors in Mooresville, North Carolina.

Spectrum Building Services provides full-service commercial janitorial and building maintenance services to a diverse base of commercial customers that includes general office, medical, educational institutions, movie studios, and auto dealerships, as well as post construction and event cleanups.

As a member, Spectrum Building Services will save on consumables, equipment and services, and earn rebates directly from select manufacturers. Members also occasionally test new products, engage in brainstorming sessions and collaborate on development of new technology.