How many plumbing contractors are in Petersburg, MI?

4 with a current Michigan license, as of 2026-08-31.

How do I check a Michigan contractor license is current?

Every listing shows its state license number and expiry date. Verify any of them directly against the Michigan LARA licensee database.

Plumbing contractors in Petersburg, MI

4 listings

Source: Michigan LARA license records. Last verified 2026-08-31.

There are 4 plumbing contractors in Petersburg, Michigan with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-12-31; every listing shows its own number and expiry date. All are drawn from the Michigan LARA register; expired and inactive licenses are excluded.

Business	License	Type	Expires	City	Zip
KELLER PLBG LLC	8003447	Plumbing Contractor	2028-04-30	Petersburg	49270	Set up workspace
THOMPSON PLUMBING & HEATING	315214	Boiler Installer	2026-12-31	Petersburg	49270	Set up workspace
THOMPSON PLUMBING & HEATING INC	8000534	Plumbing Contractor	2028-04-30	Petersburg	49270	Set up workspace
THOMPSON PLUMBING/HEATING INC	7110350	Mechanical Contractor	2028-08-31	Petersburg	49270	Set up workspace

Quick answers

How many plumbing contractors are in Petersburg?: 4 with a current Michigan license, as of 2026-08-31.
How do I check a license is current?: Every listing shows its state license number and expiry. Verify any of them directly against the Michigan LARA licensee database.