Plumbing businesses in Michigan
As of October 29, 2026, DealFlow OS tracks 1,046 plumbing businesses in Michigan, compared with 2,656 establishments with paid employees in the U.S. Census Bureau's 2022 County Business Patterns.
Updated
Plumbing businesses
1,046
With a website
76%
With a phone number
100%
Build the Michigan plumbing list
Open the Deal Finder with Plumbing and Michigan prefilled — same 1,046 count, phone and website on every row.
Top cities
- 1.Detroit51
- 2.Grand Rapids25
- 3.Holland20
- 4.Troy19
- 5.Ann Arbor17
- 6.Livonia17
- 7.Warren17
- 8.Lansing15
Compared with the Census
- DealFlow OS (October 29, 2026)
- 1,046
- Census CBP 2022 (NAICS 238220)
- 2,656
NAICS 238220: Plumbing, heating, and air-conditioning contractors. NAICS 238220 combines plumbing and HVAC contractors, so the Census figure covers both trades.
Source: U.S. Census Bureau, County Business Patterns 2022 — excludes sole proprietors (non-employer businesses).
Frequently asked questions
How many plumbing businesses are there in Michigan?
As of October 29, 2026, DealFlow OS tracks 1,046 plumbing businesses in Michigan, compared with 2,656 establishments with paid employees in the U.S. Census Bureau's 2022 County Business Patterns. Source: U.S. Census Bureau, County Business Patterns 2022 — excludes sole proprietors (non-employer businesses).
What share of plumbing businesses in Michigan have a website or phone number?
76% of the 1,046 plumbing businesses DealFlow OS tracks in Michigan list a website and 100% list a phone number.
Which cities in Michigan have the most plumbing businesses?
Detroit (51), Grand Rapids (25), Holland (20) lead the state.
Why is the DealFlow OS count different from the Census number?
County Business Patterns counts establishments with paid employees and excludes sole proprietors (non-employer businesses). DealFlow OS counts plumbing businesses found in public business listings, including owner-operators without employees. NAICS 238220 combines plumbing and HVAC contractors, so the Census figure covers both trades.
How do I get a list of plumbing businesses in Michigan?
Open the Deal Finder with Plumbing and Michigan prefilled to see the same 1,046 count, preview the rows, and export the list with phone numbers and websites.
Plumbing in other states
Other industries in Michigan
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