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Construction company directory

Construction Companies in Wisconsin

Our directory lists 198 construction companies in Wisconsin across 86 cities, built from OpenStreetMap office records and the ENR Top 400 Contractors list. Milwaukee has the most listings. Each listing shows only the facts on record.

Companies
198 companies
Cities
86 cities
Ranked contractors
8 ENR Top 400 contractors

Which cities in Wisconsin have the most construction companies?

Milwaukee has the most construction companies in Wisconsin, with 23 listings, followed by Manitowoc. Pick a city to see every company listed there.

All 86 cities in Wisconsin

Which construction companies are listed in Wisconsin?

These are the 30 most complete of the 198 construction companies listed in Wisconsin, with ranked contractors first.

Search all 198 companies in Wisconsin

Which large contractors are based in Wisconsin?

Michels is the highest-ranked contractor listed in Wisconsin, at No. 39 on the ENR Top 400 Contractors list for 2026.

  1. 39MichelsBrownsville
  2. 84Miron ConstructionWausau
  3. 84Miron Construction Co. Inc.Neenah
  4. 100The Boldt GroupAppleton
  5. 164C D Smith ConstructionFond du Lac
  6. 165CR MeyerOshkosh
  7. 207Kraemer North America LLCPlain
  8. 246CG SchmidtMilwaukee

What are the most common construction trades in Wisconsin?

The most listed trade in Wisconsin is hvac contractors, with 37 companies. A company can be listed under more than one trade.

How do I check a contractor's license in Wisconsin?

Search the Wisconsin Department of Safety and Professional Services by company name or license number before you hire. Wisconsin requires a Dwelling Contractor credential for residential building. There is no state commercial general contractor license.

Check a license in Wisconsin

Licensing rules checked October 2026. Requirements change, so confirm on the state site.

FAQ

Construction companies in Wisconsin: FAQs

How many construction companies are in Wisconsin?

Our directory lists 198 construction companies in Wisconsin, from OpenStreetMap office records and the ENR Top 400 Contractors list.

Which cities in Wisconsin have the most construction companies?

Milwaukee (23), Manitowoc (13), Rice Lake (9), Wausau (7) and West Allis (7) have the most listings in Wisconsin.

How do I check a contractor's license in Wisconsin?

Wisconsin requires a Dwelling Contractor credential for residential building. There is no state commercial general contractor license. Search the Wisconsin Department of Safety and Professional Services by company or license number before you hire.

Which large contractors are based in Wisconsin?

Ranked contractors listed in Wisconsin include Michels (No. 39), Miron Construction (No. 84), Miron Construction Co. Inc. (No. 84) and The Boldt Group (No. 100) on the ENR Top 400 Contractors list for 2026.

What construction trades are most common in Wisconsin?

The trades with the most listings in Wisconsin are hvac contractors (37), roofing contractors (25), glass and window contractors (21) and plumbing contractors (20).

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Office locations © OpenStreetMap contributors, available under the Open Database License. Company rankings from the ENR Top 400 Contractors (2026).

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