77
StrongSt. Louis, MO 63125 4.5(299 reviews)
HVACPlumbingCommercial
St. Louis, Missouri · Commercial
Commercial HVAC & plumbing contractors in St. Louis, MO
16 commercial HVAC & plumbing contractors in St. Louis, out of 142 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 16
- Avg. score
- 51.8
- Scored
- 15
Summary
Data last updatedAs of October 14, 2026, the ProComfort Registry lists 16 commercial HVAC & plumbing contractors in St. Louis, Missouri. Most-listed specialties: air conditioning (3), heating & furnaces (2), water heaters (1). 15 have enough public signals for a Registry Score, averaging 51.8 out of 100; 2 score 70 or higher. Together they hold 524 public reviews on Google, Yelp and Facebook. The highest-scored is Bieg Plumbing and Mechanical, at 77 out of 100. 4 are Featured for 2026. View Bieg Plumbing and Mechanical.
Counts come straight from the Registry's records. How the Registry Score works
Showing 1–16 of 16
71
Strong64
EstablishedSt. Louis, MO 63114 4.2(75 reviews)
HVACCommercial
62
Established60
EstablishedSt. Louis, MO 63123 4.2(19 reviews)
HVACCommercial
56
Established54
EstablishedSt. Louis, MO 63125 4.1(5 reviews)
HVACA/CCommercial
51
Established50
Established50
Established48
DevelopingSt. Louis, MO 63134 4.2(1 reviews)
HVACCommercial
47
DevelopingSt. Louis, MO 63110 4.2(5 reviews)
HVACCommercial
43
DevelopingSt Louis, MO 63101 3.9(4 reviews)
HVACHeatingA/CCommercial
36
DevelopingSt Louis, MO 63103
HVACPlumbingCommercial
8
Developing—
Not yet ratedCommercial HVAC & plumbing contractors in St. Louis: at a glance
- How many commercial HVAC & plumbing contractors are in St. Louis, Missouri?
- As of October 14, 2026, the ProComfort Registry lists 16 commercial HVAC & plumbing contractors in St. Louis, Missouri.
- Who is the highest-scored commercial HVAC or plumbing contractor in St. Louis, Missouri?
- By Registry Score, Bieg Plumbing and Mechanical (St. Louis, MO) ranks first at 77 out of 100, among 15 scored businesses averaging 51.8. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
- How are commercial HVAC & plumbing contractors in St. Louis, Missouri ranked?
- By Registry Score (0-100, from public reviews, digital presence and reach), with records confirmed by their owners listed first. The full method is at https://procomfortregistry.online/methodology.
What this list includes: businesses whose public category or name points to commercial, industrial or mechanical contracting. Tags come from each business's public category and name, so a company can appear under several trades. Commercial HVAC & plumbing contractors across the US