> 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/541512/ohio/ # NAICS 541512 companies in Ohio Companies with NAICS code 541512 (Computer Systems Design Services) headquartered in Ohio, with their cities, sizes and SIC codes. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** The biggest NAICS 541512 companies in Ohio by headcount range include Everest Technologies, Regency Technologies and Comresource. NAICS 541512 is the code for Computer Systems Design Services. Among those counted, they are mostly very small: 68% have 50 or fewer employees. ## Which NAICS 541512 companies are in Ohio? The biggest by headcount range include Everest Technologies, Regency Technologies, Comresource, Encore Technologies and G2o. NAICS 541512 is the code for Computer Systems Design Services. Names link to a company profile where we have one. | Company | City | Employees | | --- | --- | --- | | Everest Technologies | Columbus | 501 to 1,000 | | Regency Technologies | Stow | 501 to 1,000 | | Comresource | Columbus | 201 to 500 | | Encore Technologies | Cincinnati | 201 to 500 | | G2o | Dublin | 201 to 500 | | Logically | Dublin | 201 to 500 | | Vigilant | Cincinnati | 201 to 500 | | Evonence | Lewis Center | 51 to 200 | | Axia Consulting | Columbus | 51 to 200 | | Efuse | Columbus | 51 to 200 | | Fit Technologies | Cleveland | 51 to 200 | | Leading Edje | Dublin | 51 to 200 | | Main Sail | Chesterland | 51 to 200 | | Kizan Technologies | Cincinnati | 51 to 200 | | Jumpmind | Columbus | 51 to 200 | | Starsevensix | Columbus | 51 to 200 | | Skynet Innovations | Cincinnati | 51 to 200 | | Indus Valley Consultants | Dayton | 51 to 200 | | Expedient Technology Solutions | Miamisburg | 51 to 200 | | E2b Teknologies | Mentor | 51 to 200 | | First Watch Technologies | Fairlawn | 51 to 200 | | The Merit Group | Dayton | 51 to 200 | | Intellix Software | Columbus | 11 to 50 | | Atnetplus | Stow | 11 to 50 | | Pronoesis | Dublin | 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. ## Which cities in Ohio? Within Ohio, Columbus (16%), Cincinnati (10%) and Cleveland (6%) are the most common headquarters. **Figure: Cities of NAICS 541512 companies in Ohio.** Bars for the share of counted NAICS 541512 companies in Ohio headquartered in each city: Columbus 16%, Cincinnati 10%, Cleveland 6%, Dublin 6%, Miamisburg 4%. *Share of counted NAICS 541512 companies in Ohio by headquarters city.* ## How big are they? 68% of the NAICS 541512 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 541512 companies in Ohio.** Seven columns for the share of counted NAICS 541512 companies in Ohio in each employee range: 11 to 50 68%, 51 to 200 22%, 201 to 500 7%, 501 to 1,000 3%, 1,001 to 5,000 0%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted NAICS 541512 companies in Ohio in each employee range.* ## How old are they? Most were founded in the 2000s (35%), then the 1990s (32%). **Figure: When NAICS 541512 companies in Ohio were founded.** Eight columns for the share of counted NAICS 541512 companies in Ohio founded in each era: Before 1960 0%, 1960s 0%, 1970s 0%, 1980s 3%, 1990s 32%, 2000s 35%, 2010s 23%, 2020s 7%. *Share of counted NAICS 541512 companies in Ohio by the era they were founded in, for the ones that list a founding year.* ## How Ohio compares with the rest of the country - 68% of NAICS 541512 companies in Ohio have 50 or fewer employees, against 54% across NAICS 541512 companies nationwide. - 30% were founded in 2010 or later, against 44% across NAICS 541512 companies nationwide. ## 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 541512 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 541512 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 541512: Computer Systems Design Services](https://enrich.chat/naics/541512/). About the place: [companies in Ohio](https://enrich.chat/companies-in/ohio/). NAICS 541512 in other states: [California](https://enrich.chat/naics/541512/california/)[Texas](https://enrich.chat/naics/541512/texas/)[Virginia](https://enrich.chat/naics/541512/virginia/)[New Jersey](https://enrich.chat/naics/541512/new-jersey/)[New York](https://enrich.chat/naics/541512/new-york/)[Florida](https://enrich.chat/naics/541512/florida/)[Illinois](https://enrich.chat/naics/541512/illinois/)[Georgia](https://enrich.chat/naics/541512/georgia/)[Maryland](https://enrich.chat/naics/541512/maryland/)[Pennsylvania](https://enrich.chat/naics/541512/pennsylvania/) 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 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 541512 companies are in Ohio? The biggest by headcount range include Everest Technologies, Regency Technologies, Comresource, Encore Technologies and G2o. The page lists 25 with links to their profiles where we have them. ### What is NAICS 541512? NAICS 541512 is the code for Computer Systems Design Services, in sector 54: Professional, Scientific, and Technical Services. ### Which cities in Ohio have the most? Columbus (16%), Cincinnati (10%) and Cleveland (6%) lead among the companies counted. ## Try this prompt Find the people at NAICS 541512 companies in Ohio ```text Use www.enrich.chat to find the engineering, delivery and revenue leaders at companies with NAICS code 541512 in Ohio, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 541512 in California](https://enrich.chat/naics/541512/california/) - [NAICS 541512 in Texas](https://enrich.chat/naics/541512/texas/) - [NAICS 541512 in Virginia](https://enrich.chat/naics/541512/virginia/) - [NAICS 541512 in New Jersey](https://enrich.chat/naics/541512/new-jersey/) - [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/)