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State files updated Oct 28, 2026
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Minnesota contractor license

Process Combustion Services Inc

Process Combustion Services Inc of Buffalo holds Minnesota license MB780211 (Mechanical Contractor Bond). The DLI file dated Oct 28, 2026 lists it as active.1 It expires Apr 19, 2027.

Active

Process Combustion Services Inc, Buffalo

License
MB780211
Class
Mechanical Contractor Bond
Expires
Apr 19, 2027
Bond
On file to Apr 19, 2027

DLI file dated Oct 28, 2026

What bond, insurance and workers' comp are on file?

Issued Apr 19, 2021. Mechanical Contractor Bond.

Bond
On fileto Apr 19, 2027
Liability insurance
Not in the DLI fileCheck with the board
Workers' comp
Not in the DLI fileCheck with the board

What work does this license cover?

What should you check before hiring?

What to ask before you hire

  1. Get the license number in writing. The name on the license should match the name on your contract and invoice.
  2. Check the class covers the job. A license for one trade doesn't cover another. Minnesota license classes
  3. Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
  4. Ask who will be on site. If a crew works on your property, ask for proof of workers' comp. An exemption means the contractor told the DLI it has no employees.
  5. Put it in a written contract: license number, price, start date and payment schedule. Check the license again on the day you sign.

If the license is lapsed

  1. Don't sign or pay a deposit until the DLI shows the license active again.
  2. Ask the contractor why. For a bond or insurance lapse, ask for proof that the new bond or policy was filed with the DLI, then check again.
  3. If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Department of Labor and Industry (DLI).
  4. Check another contractor. Minnesota license lookup

Sources

  1. DLI license and registration export (dli.mn.gov, Oct 28, 2026)
  2. Department of Labor and Industry (DLI)