Plumbing businesses in Pennsylvania
As of October 29, 2026, DealFlow OS tracks 1,501 plumbing businesses in Pennsylvania, compared with 4,136 establishments with paid employees in the U.S. Census Bureau's 2022 County Business Patterns.
Updated
Plumbing businesses
1,501
With a website
76%
With a phone number
100%
Build the Pennsylvania plumbing list
Open the Deal Finder with Plumbing and Pennsylvania prefilled — same 1,501 count, phone and website on every row.
Top cities
- 1.Philadelphia121
- 2.Pittsburgh74
- 3.Erie26
- 4.Lancaster21
- 5.Allentown17
- 6.Bethlehem17
- 7.Norristown16
- 8.Reading16
Compared with the Census
- DealFlow OS (October 29, 2026)
- 1,501
- Census CBP 2022 (NAICS 238220)
- 4,136
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 Pennsylvania?
As of October 29, 2026, DealFlow OS tracks 1,501 plumbing businesses in Pennsylvania, compared with 4,136 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 Pennsylvania have a website or phone number?
76% of the 1,501 plumbing businesses DealFlow OS tracks in Pennsylvania list a website and 100% list a phone number.
Which cities in Pennsylvania have the most plumbing businesses?
Philadelphia (121), Pittsburgh (74), Erie (26) 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 Pennsylvania?
Open the Deal Finder with Plumbing and Pennsylvania prefilled to see the same 1,501 count, preview the rows, and export the list with phone numbers and websites.
Plumbing in other states
Other industries in Pennsylvania
Thinking about buying one? How to acquire a plumbing business · Plumbing by state