SECWYN

Construction Companies in Colorado: 94 Verified Firms

Secwyn has verified 94 construction companies based in Colorado. The largest groups are Roofing Contractors (18); Electrical Contractors and Other Wiring Installation Contractors (15); and Plumbing, Heating, and Air-Conditioning Contractors (15). By headcount, 82% have 51–200 employees, 15% have 201–500 employees, and 3% fall in other size bands. Denver has the most (16), followed by Colorado Springs (12) and Englewood (7).

Company size

  • 51–200 employees77 · 82%
  • 201–500 employees14 · 15%
  • 501–1,000 employees3 · 3%

Top cities

  • Denver16 · 17%
  • Colorado Springs12 · 13%
  • Englewood7 · 7%
  • Aurora6 · 6%
  • Centennial4 · 4%
  • Commerce City4 · 4%
  • Littleton4 · 4%
  • Arvada3 · 3%

Cities with fewer than 3 companies are not listed.

Largest sub-industries

Sub-industryCompanies
Roofing Contractors18
Electrical Contractors and Other Wiring Installation Contractors15
Plumbing, Heating, and Air-Conditioning Contractors15
Commercial and Institutional Building Construction8
Highway, Street, and Bridge Construction5
Other Heavy and Civil Engineering Construction5
Poured Concrete Foundation and Structure Contractors4
Masonry Contractors3

A sample of these companies

A few of the 94 construction companies in Colorado. Names, websites and contacts are shown after you sign up.

  1. Company #1 · name shown after sign-up

    Other Heavy and Civil Engineering Construction · 51–200 employees · Aurora

  2. Company #2 · name shown after sign-up

    Roofing Contractors · 51–200 employees · Centennial

  3. Company #3 · name shown after sign-up

    Glass and Glazing Contractors · 51–200 employees · Denver

  4. Company #4 · name shown after sign-up

    Electrical Contractors and Other Wiring Installation Contractors · 51–200 employees · Denver

  5. Company #5 · name shown after sign-up

    Commercial and Institutional Building Construction · 51–200 employees · Colorado Springs

  6. Company #6 · name shown after sign-up

    Plumbing, Heating, and Air-Conditioning Contractors · 51–200 employees · Aurora

Find the Colorado construction companies that fit what you sell

Describe what you sell and Secwyn shows the companies most likely to buy it, with the reasons for each match. Sign up free and your first 3 company reveals are on us: name, website, description with its source, contact channels and the roles to contact.

How Secwyn verifies these companies

  • Every company description is a sentence visible on the company's own website. Inside the product, each one links to its source page.
  • Each company has a NAICS industry code, the US government standard for classifying businesses.
  • All companies are based in the United States. Location and size come from public sources, including company filings and People Data Labs.

Data updated October 6, 2026.