ENR #152
Billings, MT
- Electrical contractor
- Website
- eciusa.com
Construction company directory
Construction Companies in Montana
Our directory lists 2 construction companies in Montana across 2 cities, built from OpenStreetMap office records and the ENR Top 400 Contractors list. Billings has the most listings. Each listing shows only the facts on record.
- Companies
- 2 companies
- Cities
- 2 cities
- Ranked contractors
- 2 ENR Top 400 contractors
Which cities in Montana have the most construction companies?
Billings has the most construction companies in Montana, with 1 listing, followed by Great Falls. Pick a city to see every company listed there.
Which construction companies are listed in Montana?
These are all of the 2 construction companies listed in Montana, with ranked contractors first.
- ENR #163
Great Falls, MT
- Website
- slettencompanies.com
Which large contractors are based in Montana?
Electrical Consultants Inc. is the highest-ranked contractor listed in Montana, at No. 152 on the ENR Top 400 Contractors list for 2026.
- 152Electrical Consultants Inc.Billings
- 163Sletten Cos.Great Falls
What are the most common construction trades in Montana?
The most listed trade in Montana is electrical contractors, with 1 company. A company can be listed under more than one trade.
- Electrical contractors1 listingElectrician website design
How do I check a contractor's license in Montana?
Search the Montana Department of Labor and Industry by company name or license number before you hire. Montana requires construction contractor registration, which checks workers' compensation and bond status. Electricians and plumbers are licensed separately.
Check a license in MontanaLicensing rules checked October 2026. Requirements change, so confirm on the state site.
FAQ
Construction companies in Montana: FAQs
How many construction companies are in Montana?
Our directory lists 2 construction companies in Montana, from OpenStreetMap office records and the ENR Top 400 Contractors list.
Which cities in Montana have the most construction companies?
Billings (1) and Great Falls (1) have the most listings in Montana.
How do I check a contractor's license in Montana?
Montana requires construction contractor registration, which checks workers' compensation and bond status. Electricians and plumbers are licensed separately. Search the Montana Department of Labor and Industry by company or license number before you hire.
Which large contractors are based in Montana?
Ranked contractors listed in Montana include Electrical Consultants Inc. (No. 152) and Sletten Cos. (No. 163) on the ENR Top 400 Contractors list for 2026.
What construction trades are most common in Montana?
The trades with the most listings in Montana are electrical contractors (1).
For construction companies
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Office locations © OpenStreetMap contributors, available under the Open Database License. Company rankings from the ENR Top 400 Contractors (2026).
