SECWYN

Construction Companies in Ohio: 157 Verified Firms

Secwyn has verified 157 construction companies based in Ohio. The largest groups are Plumbing, Heating, and Air-Conditioning Contractors (24); Roofing Contractors (23); and Electrical Contractors and Other Wiring Installation Contractors (21). By headcount, 80% have 51–200 employees, 13% have 201–500 employees, and 6% fall in other size bands. Cincinnati and Columbus have the most (16 each), followed by Cleveland (8).

Company size

  • 51–200 employees126 · 80%
  • 201–500 employees21 · 13%
  • 501–1,000 employees10 · 6%

Top cities

  • Cincinnati16 · 10%
  • Columbus16 · 10%
  • Cleveland8 · 5%
  • Dayton7 · 4%
  • Canton4 · 3%
  • Akron3 · 2%
  • Canal Winchester3 · 2%
  • Hamilton3 · 2%
  • Hilliard3 · 2%
  • Plain City3 · 2%

Cities with fewer than 3 companies are not listed.

Largest sub-industries

Sub-industryCompanies
Plumbing, Heating, and Air-Conditioning Contractors24
Roofing Contractors23
Electrical Contractors and Other Wiring Installation Contractors21
Commercial and Institutional Building Construction16
Highway, Street, and Bridge Construction12
Poured Concrete Foundation and Structure Contractors8
Site Preparation Contractors7
All Other Specialty Trade Contractors6

A sample of these companies

A few of the 157 construction companies in Ohio. Names, websites and contacts are shown after you sign up.

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

    Highway, Street, and Bridge Construction · 51–200 employees

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

    New Single-Family Housing Construction (except For-Sale Builders) · 201–500 employees · Canton

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

    Site Preparation Contractors · 51–200 employees

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

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

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

    Roofing Contractors · 201–500 employees · Akron

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

    Masonry Contractors · 51–200 employees · Columbus

Find the Ohio 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.