Brady Air Services Inc. (Brady Air Conditioning Inc.)
South San Francisco, CA | 94080
Brady Air Service, Inc., based in South San Francisco, CA, is a union-affiliated, full-service HVAC contractor established in 2018, continuing a tradition of professional service that traces back to a predecessor company founded in the late 1980s. The contractor offers comprehensive heating, ventilation, and air conditioning installation, repair, and maintenance, including sheet metal fabrication and preventive service plans.
Blocka Construction Company Inc.
Pleasanton, CA | 94566
Blocka Construction Company Inc. (Blocka Construction Inc.) is a Pleasanton, CA‑based general engineering and mechanical contractor with industrial electrical, sheet metal/mechanical, and general engineering divisions. They carry out large‑scale projects, including water/wastewater treatment plants, transit infrastructure, automotive and food manufacturing facilities throughout Northern California.
Asco Service Inc.
Gilroy, CA | 95020
ASCO Service, Inc., based in Gilroy, CA, is a locally owned heating, air conditioning, and HVAC service company with over 30 years of experience offering installation, repair, and maintenance for all major brands, along with free installation estimates and certified, radio-dispatched technicians. Their services are available in the South Bay area—including Gilroy, Morgan Hill, and Hollister.
Offers Incentives
Financing Available
Anderson Rowe & Buckley Inc
San Francisco, CA | 94107
Anderson, Rowe & Buckley, Inc. is a privately held mechanical contracting firm based in San Francisco, founded in 1921, that provides full-service design/build, design/assist, and plan/specification services for plumbing, HVAC, and fire protection systems across the Bay Area.
Alpine Mechanical service company inc.
Pleasanton, CA | 94566
Alpine Mechanical Service Company, Inc. is a family‑owned HVAC contractor based in the San Francisco Bay Area. It provides commercial, industrial, and residential heating, ventilation and air‑conditioning services, including installation, maintenance, equipment upgrades, and 24/7 emergency repairs, backed by union-trained technicians and a fully insured and bonded operation.
All Temperature Service Air Conditioning Inc.
San Jose, CA | 95131
ATS offers a comprehensive range of services, from HVAC systems to plumbing and control solutions in the San Francisco/ San Jose Bay Area.
Allied Heating Inc.
San Rafael, CA | 94901
Allied Mechanical, Inc. is a full-service mechanical contracting company specializing in HVAC, plumbing, and process piping systems for commercial and industrial clients. Based in the Bay Area, they offer design-build, installation, and maintenance services with a focus on efficiency, safety, and customer satisfaction.
A&J Refrigeration
San Luis Obispo, CA | 93401
A&J Refrigeration is a family-owned, professional HVAC and refrigeration company specializing in the installation, maintenance, and repair of commercial and residential cooling systems. With a focus on reliability and energy efficiency, they serve a wide range of clients, including restaurants and grocery stores.
Airtec Service
Watsonville, CA | 95076
Heatpump installation and HVAC contractor in Watsonville, CA.
air systems service and construction
Sacramento, CA | 95827
Air Systems Service & Construction, founded in 1996 and headquartered in Sacramento, CA, delivers turnkey mechanical systems including HVAC design‑build, controls, sheet metal, plumbing/piping, and custom fabrication for commercial, industrial, and institutional clients.
Air Systems Inc.
San Jose, CA | 95122
Air Systems provides services across Northern California, including HVAC installation, architectural sheet metal construction, commercial electrical services, mechanical design, preventive building maintenance and service, industrial piping systems, plumbing, building automation systems (BAS), and LEED energy management systems.
Aire Sheet Metal Inc.
Redwood City, CA | 94063
Aire Sheet Metal specializes in mechanical and architectural sheet metal services for commercial construction throughout the Bay Area. With over four decades of experience, they provide HVAC duct fabrication and installation, metal roofing, siding, flashing, and custom metal panel work using computerized shop fabrication capabilities.
Financing Available
Geo. H. Wilson
Santa Cruz, CA | 95060
Geo. H. Wilson’s service team has been serving the Central Coast for over 100 years, providing HVAC and plumbing repair and maintenance services. An affiliate of ACCO Engineered Systems, the company offers service and long-term maintenance agreements for commercial clients of all types. With fully equipped, vehicle-based field technicians, George H. Wilson’s team can respond on-site within four hours, available 24/7.
Air Control balancing
Fresno, CA | 93703
Air Control Balancing, Inc. is a Fresno-based independent test and balance agency (AIR & hydronic) founded in 1962, certified by the National Environmental Balancing Bureau (NEBB), serving Fresno County and surrounding Central Valley regions. They specialize in HVAC system testing, adjusting and balancing, indoor air quality assessments, sound and vibration testing, and commissioning services for commercial and institutional buildings.
Airco Mechanical Inc.
Sacramento, CA | 95828
Airco Mechanical, Inc. is a privately‑held Sacramento‑based mechanical contractor founded in 1974, specializing in design‑build HVAC, plumbing, piping, and environmental control systems for commercial and public-sector clients across Northern California.
Aircal Heating & Sheet Metal Inc.
Fremont, CA | 94539
Aircal offers a wide range of HVAC services, including installation, maintenance, and repair for both residential and commercial properties.
Offers rebates
AGC Inc.
Campbell, CA | 95008
AGC, Inc. is a California-based mechanical contractor specializing in HVAC, process piping, and plumbing for complex facilities such as biotech labs, healthcare centers, and academic institutions. Founded in 2000, the company offers design-build services with a focus on technical precision, proactive communication, and cost-effective project management.
ACH Mechanical Contractors Inc
Camarillo, CA | 93012
ACH Mechanical Contractors, Inc. is based in Redlands, California, serving commercial and institutional clients across Southern California and the Central Valley. The company specializes in design-build projects, system installations, maintenance, and emergency repairs. Known for quality workmanship and reliability, ACH has a strong record of federal and public-sector contracts. President Hector Vargas leads the firm with a focus on timely delivery and client satisfaction.
Acco Engineered Systems
San Leandro, CA | 94577
ACCO Engineered Systems is a long-established, deeply integrated mechanical contracting firm —employee-owned, with a coast-to-coast presence, broad capabilities from design through service, extensive infrastructure project experience, and a strong internal culture centered on quality and accountability.
Offers Incentives
Financing Available
a&B mechanical Inc.
Livermore, CA | 94550
A & B Mechanical, Inc., based in Livermore, California, specializes in commercial and industrial heating, cooling, refrigeration, and boiler services. The company serves a wide range of industries, offering design, installation, maintenance, and 24/7 emergency support tailored to Northern California’s unique climate and operational needs.