How many hvac contractors are in Mayer, MN?

6 with a current Minnesota license, as of 2026-08-31.

How do I check a Minnesota contractor license is current?

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

HVAC contractors in Mayer, MN

6 listings

Source: Minnesota DLI license records. Last verified 2026-08-31.

There are 6 hvac contractors in Mayer, Minnesota with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-09-16; every listing shows its own number and expiry date. All are drawn from the Minnesota DLI register; expired and inactive licenses are excluded.

Business	License	Type	Expires	City	Zip
COOL RUNNINGS LLC	MB715890	Mechanical Contractor Bond — Mechanical Contractor Bond	2026-09-16	MAYER	55360	Set up workspace
MARK GUY HEATING & AIR	MB770407	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-06-30	MAYER	55360	Set up workspace
NACE HEATING & COOLING INC	MB800533	Mechanical Contractor Bond — Mechanical Contractor Bond	2027-07-29	MAYER	55360	Set up workspace
REDLINE HEATING AND COOLING LLC	MB100342	Mechanical Contractor Bond — Mechanical Contractor Bond	2027-03-28	Mayer	55360	Set up workspace
Warwick Plumbing and Heating LLC	MB100050	Mechanical Contractor Bond — Mechanical Contractor Bond	2027-12-04	Mayer	55360	Set up workspace
WATSON MECHANICAL LLC	MB797486	Mechanical Contractor Bond — Mechanical Contractor Bond	2028-08-01	MAYER	55360	Set up workspace

Quick answers

How many hvac contractors are in Mayer?: 6 with a current Minnesota 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 Minnesota DLI licensee database.