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Construction company directory

Construction Companies in West Allis, WI

Our directory lists 7 construction companies in West Allis, WI, built from OpenStreetMap office records and the ENR Top 400 Contractors list. The most common trades here are plumbing contractors (3), roofing contractors (2) and hvac contractors (2). Each listing shows only the address, phone, website and hours on record.

Which construction companies are in West Allis?

7 construction companies are listed in West Allis, ranked contractors and the most complete listings first.

Which cities near West Allis have construction companies?

The closest city with listings is West Milwaukee, about 2 miles away, with 1 construction company.

All construction companies in Wisconsin

What are the most common construction trades in West Allis?

The most listed trade in West Allis is plumbing contractors, with 3 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 West Allis: FAQs

How many construction companies are in West Allis?

Our directory lists 7 construction companies in West Allis, WI. The count comes from OpenStreetMap office records and the ENR Top 400 Contractors list, and it updates as the map changes.

What are the most common construction trades in West Allis?

The trades with the most listings in West Allis are plumbing contractors (3), roofing contractors (2), hvac contractors (2) and glass and window contractors (1). A company can be listed under more than one trade.

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 cities near West Allis have construction companies?

Nearby cities with listings include West Milwaukee, Brookfield, Milwaukee and Wauwatosa.

Where does this construction company data come from?

Office locations come from OpenStreetMap, the open map built by volunteers (© OpenStreetMap contributors). Company size comes only from the ENR Top 400 Contractors list, shown with its year. We never add reviews, ratings or employee counts that are not on record.

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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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