CAS, Inc.

Commercial Air Systems is the leading design-build mechanical and plumbing firm for Western North Carolina, located in Elkins, NC. With a strong engineering focus, it offers comprehensive solutions to industrial and commercial clients, encompassing design-build engineering, HVAC, plumbing, mechanical piping, and controls/wiring services. Since its establishment in 2002, CAS has earned a stellar reputation for delivering high-quality, complex projects on schedule, primarily through negotiated, design-build contracts with a select group of contractors and building owners.