Billion Air Inc

Industrial Commercial Systems Inc. is a comprehensive HVAC and plumbing contractor based in Vista, California, specializing in design-build solutions for new construction and tenant improvements. With over 35 years of experience, the company is dedicated to delivering innovative design and construction services while fostering strong client relationships. Their expertise encompasses a variety of markets, including life sciences, healthcare, hospitality, and federal projects, allowing them to build effective systems and support their partners in achieving success. Committed to workforce development, Industrial Commercial Systems also emphasizes building careers and encouraging professional growth within the organization. Generated from the website

Mesa Energy Systems is an HVAC building automation and retrofit contracting company that provides customers with engineering applications, automated control systems, and turnkey in-house capabilities, including design assistance. Its services include mechanical maintenance service, building automation, variable speed drives, mechanical retrofit services and air quality testing. Mesa also installs and services rooftop units, heat pumps, boilers and furnaces, water towers, exhaust fans, computer room cooling, pumps and split systems. Its customers include health care providers, commercial businesses, sports and entertainment companies, retail companies and industrial and manufacturing companies. The company is headquartered in Irvine, Calif., and operates additional offices in San Diego, San Francisco and Bakersfield, Calif. Mesa is a subsidiary of EMCOR, a provider of mechanical and electrical construction and facilities services, including planning, consulting and operations and maintenance.