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Commercial Plumbing
- Listed providers
- 7 Listed Providers
- Last updated
- Updated
- Editorial history
- Human vetted since 2007
Commercial plumbing contractors serving offices, restaurants, hotels, retail buildings, industrial facilities, and multi-family properties with large-scale installations and maintenance.
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Editorial Overview
Commercial Plumbing currently lists 7 entities pending editorial audit.
Verified status arrives after a 12 point audit covering entity ownership, citation consistency across answer engines, schema validity, and operating history.
Top Listed Entities in Commercial Plumbing
Ranking weights editorial tier and entity health score across the full listed set. No listings here carry the verification badge yet — they appear in order of editorial signal. Last updated .
Top 5%Editor’s Pick
C
Comfort Systems USA
Houston, United StatesComfort Systems USANYSE FIXJSON-LD: Plumber
Comfort Systems USA (NYSE: FIX) is a Fortune 500 mechanical and electrical contracting company headquartered in Houston, Texas, providing HVAC, plumbing, piping, controls, off-site construction, monitoring, fire protection, and electrical systems services. Founded in 1997 through the merger of 12 companies, Comfort Systems USA operates 47 operating units with 178 locations across 136 US cities. The company ranked 6th on ENR's list of top 600 specialty contractors and serves commercial, industrial, and institutional customers nationwide.
Authority Score
62/ 100
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- VerifiedM
Murphy Company
JSON-LDSt. Louis, United StatesHealth 55/100Murphy Company is a premier national mechanical contractor founded in 1907 by John C. Murphy in St. Louis, Missouri. Family-owned for over a century, Murphy is one of the largest mechanical contractors in the United States with over 1,100 employees, regional offices in Illinois, Colorado, and Wyoming, and annual revenue exceeding $710 million. The company specializes in plumbing, pipefitting, sheet metal, HVAC, high-purity process piping, and refrigeration for commercial, industrial, institutional, and pharmaceutical clients.
- VerifiedS
Southland Industries
JSON-LDGarden Grove, United StatesHealth 55/100Southland Industries is one of America's largest mechanical, electrical, and plumbing (MEP) contractors, founded in 1949 and headquartered in Garden Grove, California. Southland is a full-service design-build firm offering in-house engineering, piping, sheet metal, plumbing, and pipefitting for large-scale commercial projects including offices, healthcare facilities, data centers, higher education campuses, and government buildings. The company operates across the western United States and is consistently ranked among ENR's top specialty contractors.
- VerifiedB
Black and McDonald
JSON-LD
Toronto, CanadaHealth 55/100Black & McDonald is one of Canada's largest independently-owned integrated multi-trade contractors, founded in 1921 and headquartered in Toronto, Ontario. With more than 5,000 employees and offices across Canada, the United States, and Bermuda, Black & McDonald provides commercial plumbing, mechanical, electrical, utility, and facilities management services for major commercial, institutional, industrial, and government projects. The company delivers full-service design, construction, and maintenance for hospitals, universities, airports, transit systems, and large commercial developments.
- VerifiedM
Modern Niagara
JSON-LDOttawa, CanadaHealth 53/100Modern Niagara is one of Canada's largest commercial mechanical and electrical contractors, offering mechanical contracting, electrical contracting, HVAC, commercial plumbing, piping, sheet metal fabrication, and building automation services across the country. With offices in Ottawa, Toronto, Vancouver, Calgary, and other major Canadian cities, Modern Niagara serves commercial, industrial, and institutional customers on major construction projects including cannabis production facilities, healthcare buildings, and large commercial complexes. Recognized as Canada's Safest Construction Employer.
Directory of Verified Providers7 listed entities
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