> 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/541511/ohio/ # NAICS 541511 companies in Ohio Companies with NAICS code 541511 (Custom Computer Programming Services) headquartered in Ohio, with their cities, sizes and SIC codes. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** The biggest NAICS 541511 companies in Ohio by headcount range include Hyland, Claysys Technologies and Constructconnect. NAICS 541511 is the code for Custom Computer Programming Services. Among those counted, they are mostly very small: 58% have 50 or fewer employees. ## Which NAICS 541511 companies are in Ohio? The biggest by headcount range include Hyland, Claysys Technologies, Constructconnect, Devcare Solutions and Emplifi. NAICS 541511 is the code for Custom Computer Programming Services. Names link to a company profile where we have one. | Company | City | Employees | | --- | --- | --- | | Hyland | Westlake | 1,001 to 5,000 | | Claysys Technologies | Blue Ash | 1,001 to 5,000 | | Constructconnect | Cincinnati | 1,001 to 5,000 | | Devcare Solutions | Westerville | 501 to 1,000 | | Emplifi | Columbus | 501 to 1,000 | | Dash Technologies | Dublin | 201 to 500 | | Incubit | Columbus | 201 to 500 | | Vertex Computer Systems | North Royalton | 201 to 500 | | Onshift | Cleveland | 201 to 500 | | Terillium | Cincinnati | 201 to 500 | | Foundation Software | Strongsville | 201 to 500 | | Agility Partners | Columbus | 51 to 200 | | Assurecare | Cincinnati | 51 to 200 | | Mapsys | Columbus | 51 to 200 | | Cinnova Technologies | Cincinnati | 51 to 200 | | Manifest Solutions | Upper Arlington | 51 to 200 | | Robots & Pencils | Chagrin Falls | 51 to 200 | | Arcos | Columbus | 51 to 200 | | Enosix | Cincinnati | 51 to 200 | | Teamdynamix | Columbus | 51 to 200 | | 24task | Columbus | 51 to 200 | | Fmx | Grandview Heights | 51 to 200 | | Krish Services Group | Chagrin Falls | 51 to 200 | | Dizer | Painesville | 51 to 200 | | Sunflower Lab | Hilliard | 51 to 200 | 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. ## Which cities in Ohio? Within Ohio, Columbus (18%), Cincinnati (15%) and Cleveland (10%) are the most common headquarters. **Figure: Cities of NAICS 541511 companies in Ohio.** Bars for the share of counted NAICS 541511 companies in Ohio headquartered in each city: Columbus 18%, Cincinnati 15%, Cleveland 10%, Dublin 6%, Dayton 4%, Worthington 3%, Akron 2%, Independence 2%. *Share of counted NAICS 541511 companies in Ohio by headquarters city.* ## How big are they? 58% of the NAICS 541511 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 541511 companies in Ohio.** Seven columns for the share of counted NAICS 541511 companies in Ohio in each employee range: 11 to 50 58%, 51 to 200 33%, 201 to 500 5%, 501 to 1,000 2%, 1,001 to 5,000 2%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted NAICS 541511 companies in Ohio in each employee range.* ## How old are they? Most were founded in the 2010s (44%), then the 2000s (29%). **Figure: When NAICS 541511 companies in Ohio were founded.** Eight columns for the share of counted NAICS 541511 companies in Ohio founded in each era: Before 1960 0%, 1960s 0%, 1970s 1%, 1980s 9%, 1990s 16%, 2000s 29%, 2010s 44%, 2020s 2%. *Share of counted NAICS 541511 companies in Ohio by the era they were founded in, for the ones that list a founding year.* ## How do you reach the people at these Ohio companies? The people to talk to are usually engineering, delivery and revenue 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 541511 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 engineering, delivery and revenue leaders at companies with NAICS code 541511 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 541511: Custom Computer Programming Services](https://enrich.chat/naics/541511/). About the place: [companies in Ohio](https://enrich.chat/companies-in/ohio/). NAICS 541511 in other states: [California](https://enrich.chat/naics/541511/california/)[Texas](https://enrich.chat/naics/541511/texas/)[New York](https://enrich.chat/naics/541511/new-york/)[Florida](https://enrich.chat/naics/541511/florida/)[Virginia](https://enrich.chat/naics/541511/virginia/)[New Jersey](https://enrich.chat/naics/541511/new-jersey/)[Massachusetts](https://enrich.chat/naics/541511/massachusetts/)[Georgia](https://enrich.chat/naics/541511/georgia/)[Illinois](https://enrich.chat/naics/541511/illinois/)[Washington](https://enrich.chat/naics/541511/washington/) Other NAICS codes in 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 236220: Commercial and Institutional Building](https://enrich.chat/naics/236220/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 541511 companies are in Ohio? The biggest by headcount range include Hyland, Claysys Technologies, Constructconnect, Devcare Solutions and Emplifi. The page lists 25 with links to their profiles where we have them. ### What is NAICS 541511? NAICS 541511 is the code for Custom Computer Programming Services, in sector 54: Professional, Scientific, and Technical Services. ### Which cities in Ohio have the most? Columbus (18%), Cincinnati (15%) and Cleveland (10%) lead among the companies counted. ## Try this prompt Find the people at NAICS 541511 companies in Ohio ```text Use www.enrich.chat to find the engineering, delivery and revenue leaders at companies with NAICS code 541511 in Ohio, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 541511 in California](https://enrich.chat/naics/541511/california/) - [NAICS 541511 in Texas](https://enrich.chat/naics/541511/texas/) - [NAICS 541511 in New York](https://enrich.chat/naics/541511/new-york/) - [NAICS 541511 in Florida](https://enrich.chat/naics/541511/florida/) - [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/) - [NAICS 541512 in Ohio](https://enrich.chat/naics/541512/ohio/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)