> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/naics/236220/ohio/ # NAICS 236220 companies in Ohio Companies with NAICS code 236220 (Commercial and Institutional Building Construction) headquartered in Ohio, with their cities, sizes and SIC codes. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** The biggest NAICS 236220 companies in Ohio by headcount range include Messer Construction, Cleveland Construction and Shook Construction. NAICS 236220 is the code for Commercial and Institutional Building Construction. Among those counted, they are mostly very small: 61% have 50 or fewer employees. ## Which NAICS 236220 companies are in Ohio? The biggest by headcount range include Messer Construction, Cleveland Construction, Shook Construction, Continental Real Estate Companies and The Douglas. NAICS 236220 is the code for Commercial and Institutional Building Construction. Names link to a company profile where we have one. | Company | City | Employees | | --- | --- | --- | | Messer Construction | Cincinnati | 1,001 to 5,000 | | Cleveland Construction | Mentor | 1,001 to 5,000 | | Shook Construction | Moraine | 201 to 500 | | Continental Real Estate Companies | Columbus | 201 to 500 | | The Douglas | Toledo | 51 to 200 | | The Albert M. Higley | Cleveland | 51 to 200 | | John G. Johnson Construction | Cleveland | 51 to 200 | | Continental Building | Columbus | 51 to 200 | | Engelke Construction Solutions | Brunswick | 51 to 200 | | Lehman Daman Construction Services | Westerville | 51 to 200 | | Metis Construction Services | Kent | 51 to 200 | | West Roofing Systems | Lagrange | 51 to 200 | | Campbell Construction | Wooster | 51 to 200 | | Kapp Construction | Springfield | 51 to 200 | | The Tradesmen Group | Plain City | 51 to 200 | | Homan | Maria Stein | 51 to 200 | | Mi-De-Con | Ironton | 51 to 200 | | Monarch Construction | Cincinnati | 51 to 200 | | Jdm Structures | Millersburg | 51 to 200 | | Head | Columbus | 51 to 200 | | Shrock Premier Custom Construction | Loudonville | 51 to 200 | | Dynamic Construction | Pataskala | 51 to 200 | | Dynamic Builders | Union | 51 to 200 | | Conger Construction Group | Lebanon | 11 to 50 | | Hifive Development Services | Mason | 11 to 50 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## How big are they? 61% of the NAICS 236220 companies counted in Ohio have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of NAICS 236220 companies in Ohio.** Seven columns for the share of counted NAICS 236220 companies in Ohio in each employee range: 11 to 50 61%, 51 to 200 32%, 201 to 500 3%, 501 to 1,000 0%, 1,001 to 5,000 3%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted NAICS 236220 companies in Ohio in each employee range.* ## Which SIC codes do they carry? The older SIC system and NAICS do not line up one to one. These are the SIC codes seen most here. **Figure: SIC codes of NAICS 236220 companies in Ohio.** Bars for the share of counted NAICS 236220 companies in Ohio with each code: 1542 61%, 1521 14%, 1541 14%, 1761 5%, 1531 3%. *Share of counted NAICS 236220 companies in Ohio by their SIC code.* [SIC 1541](https://enrich.chat/sic/1541/) ## How do you reach the people at these Ohio companies? The people to talk to are usually owners, operations and procurement leaders. Build the list in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the companies with NAICS code 236220 in Ohio ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the owners, operations and procurement leaders at companies with NAICS code 236220 in Ohio, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore About the code: [NAICS 236220: Commercial and Institutional Building Construction](https://enrich.chat/naics/236220/). About the place: [companies in Ohio](https://enrich.chat/companies-in/ohio/). NAICS 236220 in other states: [California](https://enrich.chat/naics/236220/california/)[Texas](https://enrich.chat/naics/236220/texas/)[Florida](https://enrich.chat/naics/236220/florida/)[New York](https://enrich.chat/naics/236220/new-york/)[Pennsylvania](https://enrich.chat/naics/236220/pennsylvania/)[Washington](https://enrich.chat/naics/236220/washington/)[North Carolina](https://enrich.chat/naics/236220/north-carolina/)[Virginia](https://enrich.chat/naics/236220/virginia/)[Illinois](https://enrich.chat/naics/236220/illinois/)[Georgia](https://enrich.chat/naics/236220/georgia/) Other NAICS codes in Ohio: [NAICS 541511: Custom Computer Programming Services](https://enrich.chat/naics/541511/ohio/)[NAICS 524210: Insurance Agencies and Brokerages](https://enrich.chat/naics/524210/ohio/)[NAICS 238220: Plumbing, Heating, and Air-Conditioning](https://enrich.chat/naics/238220/ohio/)[NAICS 621111: Offices of Physicians](https://enrich.chat/naics/621111/ohio/)[NAICS 541512: Computer Systems Design Services](https://enrich.chat/naics/541512/ohio/)[NAICS 722511: Full-Service Restaurants](https://enrich.chat/naics/722511/ohio/)[NAICS 541613: Marketing Consulting Services](https://enrich.chat/naics/541613/ohio/)[NAICS 611110: Elementary and Secondary Schools](https://enrich.chat/naics/611110/ohio/)[NAICS 621610: Home Health Care Services](https://enrich.chat/naics/621610/ohio/)[NAICS 522130: Credit Unions](https://enrich.chat/naics/522130/ohio/) ## Frequently asked questions ### Which NAICS 236220 companies are in Ohio? The biggest by headcount range include Messer Construction, Cleveland Construction, Shook Construction, Continental Real Estate Companies and The Douglas. The page lists 25 with links to their profiles where we have them. ### What is NAICS 236220? NAICS 236220 is the code for Commercial and Institutional Building Construction, in sector 23: Construction. ### Which cities in Ohio have the most? Columbus (10%), Cincinnati (8%) and Cleveland (7%) lead among the companies counted. ## Try this prompt Find the people at NAICS 236220 companies in Ohio ```text Use www.enrich.chat to find the owners, operations and procurement leaders at companies with NAICS code 236220 in Ohio, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 236220 in California](https://enrich.chat/naics/236220/california/) - [NAICS 236220 in Texas](https://enrich.chat/naics/236220/texas/) - [NAICS 236220 in Florida](https://enrich.chat/naics/236220/florida/) - [NAICS 236220 in New York](https://enrich.chat/naics/236220/new-york/) - [NAICS 541511 in Ohio](https://enrich.chat/naics/541511/ohio/) - [NAICS 524210 in Ohio](https://enrich.chat/naics/524210/ohio/) - [NAICS 238220 in Ohio](https://enrich.chat/naics/238220/ohio/) - [NAICS 621111 in Ohio](https://enrich.chat/naics/621111/ohio/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)