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Construction company directory

Construction Companies in California

Our directory lists 730 construction companies in California across 248 cities, built from OpenStreetMap office records and the ENR Top 400 Contractors list. San Jose has the most listings. Each listing shows only the facts on record.

Companies
730 companies
Cities
248 cities
Ranked contractors
10 ENR Top 400 contractors

Which cities in California have the most construction companies?

San Jose has the most construction companies in California, with 71 listings, followed by San Diego. Pick a city to see every company listed there.

All 248 cities in California

Which construction companies are listed in California?

These are the 30 most complete of the 730 construction companies listed in California, with ranked contractors first.

Search all 730 companies in California

Which large contractors are based in California?

Turner Construction Company is the highest-ranked contractor listed in California, at No. 1 on the ENR Top 400 Contractors list for 2026.

  1. 1Turner Construction CompanyMilpitas
  2. 7DPR ConstructionSanta Clara
  3. 11Hensel PhelpsRidgecrest
  4. 28Tutor Perini Corp.Sylmar
  5. 32Swinerton Inc.Concord
  6. 37Granite Construction Co.Watsonville
  7. 55SOLV EnergySan Diego
  8. 63ECCBurlingame
  9. 91Devcon Construction Inc.Milpitas
  10. 109WebcorSan Francisco

What are the most common construction trades in California?

The most listed trade in California is plumbing contractors, with 165 companies. A company can be listed under more than one trade.

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

Search the Contractors State License Board (CSLB) by company name or license number before you hire. California licenses contractors statewide through the Contractors State License Board.

Check a license in California

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

FAQ

Construction companies in California: FAQs

How many construction companies are in California?

Our directory lists 730 construction companies in California, from OpenStreetMap office records and the ENR Top 400 Contractors list.

Which cities in California have the most construction companies?

San Jose (71), San Diego (34), San Francisco (22), Los Angeles (17) and Santa Clara (16) have the most listings in California.

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

California licenses contractors statewide through the Contractors State License Board. Search the Contractors State License Board (CSLB) by company or license number before you hire.

Which large contractors are based in California?

Ranked contractors listed in California include Turner Construction Company (No. 1), DPR Construction (No. 7), Hensel Phelps (No. 11) and Tutor Perini Corp. (No. 28) on the ENR Top 400 Contractors list for 2026.

What construction trades are most common in California?

The trades with the most listings in California are plumbing contractors (165), hvac contractors (143), glass and window contractors (62) and electrical contractors (61).

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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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