> 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/companies-in/madison-wi/software-development/ # Software Companies in Madison, WI The bigger software companies headquartered in Madison, WI, with what they do, their sizes and how to reach their people. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** Among the software companies counted in Madison, WI, the biggest by headcount range include Civilgeo, Entegral and Grocerkey. They are mostly very small: 84% have 50 or fewer employees. ## Which software companies are in Madison? Among the companies whose public profile lists Software Development as their industry and Madison, WI as their headquarters, the biggest by headcount range include Civilgeo, Entegral, Grocerkey, Ionic An Outsystems and Indeavor. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Civilgeo | 201 to 500 | | Entegral | 201 to 500 | | Grocerkey | 201 to 500 | | Ionic An Outsystems | 51 to 200 | | Indeavor | 51 to 200 | | Vas | 51 to 200 | | Akitabox | 51 to 200 | | Yahara Software | 51 to 200 | | Vegas Creative Software | 51 to 200 | | Cims Cemetery Software | 51 to 200 | | Prosperityehr | 11 to 50 | | Extract Systems | 11 to 50 | | Dnastar | 11 to 50 | | Roofmarketplace | 11 to 50 | | Datachat | 11 to 50 | | Airdeck | 11 to 50 | | Opterrix | 11 to 50 | | Scanalytics | 11 to 50 | | Squigl Ai | 11 to 50 | | Power Line Systems | 11 to 50 | | Switch Rcm | 11 to 50 | | Earthling Interactive | 11 to 50 | | Petros724 | 11 to 50 | | Smartuq | 11 to 50 | | Curate | 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. ## What do software companies in Madison do? Software Development is a broad label. The most common NAICS codes among them are 541511 (36%), 513210 (14%) and 423430 (7%). **Figure: What software companies in Madison do.** Bars for the share of counted software companies with each code: 541511 36%, 513210 14%, 423430 7%, 423610 7%, 449210 7%, 517111 7%, 541490 7%. *Share of counted software companies in Madison by their NAICS code.* [NAICS 541511](https://enrich.chat/naics/541511/)[NAICS 513210](https://enrich.chat/naics/513210/)[NAICS 423430](https://enrich.chat/naics/423430/)[NAICS 423610](https://enrich.chat/naics/423610/) ## How big are they? 84% of the software companies counted in Madison 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 software companies in Madison.** Seven columns for the share of counted software companies in Madison in each employee range: 11 to 50 84%, 51 to 200 11%, 201 to 500 5%, 501 to 1,000 0%, 1,001 to 5,000 0%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted software companies in Madison in each employee range.* ## How software companies compare - 84% of software companies in Madison have 50 or fewer employees, against 71% across other cities on this site. ## How do you reach the people at software companies in Madison? The people to talk to are usually engineering, product 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 software companies in Madison, WI ``` ### 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, product and revenue leaders at software companies in Madison, WI, 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 Other industries in Madison: [Construction Companies](https://enrich.chat/companies-in/madison-wi/construction/)[Real Estate Companies](https://enrich.chat/companies-in/madison-wi/real-estate/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/madison-wi/hospitals-and-health-care/)[Nonprofit Organizations](https://enrich.chat/companies-in/madison-wi/non-profit-organizations/)[Financial Services Companies](https://enrich.chat/companies-in/madison-wi/financial-services/)[All of Madison](https://enrich.chat/companies-in/madison-wi/) Software Companies in other cities: [San Francisco, CA](https://enrich.chat/companies-in/san-francisco-ca/software-development/)[New York, NY](https://enrich.chat/companies-in/new-york-ny/software-development/)[Austin, TX](https://enrich.chat/companies-in/austin-tx/software-development/)[Los Angeles, CA](https://enrich.chat/companies-in/los-angeles-ca/software-development/)[Boston, MA](https://enrich.chat/companies-in/boston-ma/software-development/)[Chicago, IL](https://enrich.chat/companies-in/chicago-il/software-development/)[Atlanta, GA](https://enrich.chat/companies-in/atlanta-ga/software-development/)[Houston, TX](https://enrich.chat/companies-in/houston-tx/software-development/)[Seattle, WA](https://enrich.chat/companies-in/seattle-wa/software-development/)[Miami, FL](https://enrich.chat/companies-in/miami-fl/software-development/) ## Frequently asked questions ### Which are the biggest software companies in Madison? Among those counted, they include Civilgeo, Entegral, Grocerkey, Ionic An Outsystems and Indeavor, ranked by headcount range. ### How big are software companies in Madison? 84% of those counted 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. ### Which companies count as software development? Companies whose public profile lists Software Development as their industry and whose headquarters are in Madison, WI. ## Try this prompt Find the people at software companies in Madison ```text Use www.enrich.chat to find the engineering, product and revenue leaders at software companies in Madison, WI, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Construction Companies in Madison](https://enrich.chat/companies-in/madison-wi/construction/) - [Real Estate Companies in Madison](https://enrich.chat/companies-in/madison-wi/real-estate/) - [Hospitals and Health Care Organizations in Madison](https://enrich.chat/companies-in/madison-wi/hospitals-and-health-care/) - [Nonprofit Organizations in Madison](https://enrich.chat/companies-in/madison-wi/non-profit-organizations/) - [Software Companies in San Francisco](https://enrich.chat/companies-in/san-francisco-ca/software-development/) - [Software Companies in New York](https://enrich.chat/companies-in/new-york-ny/software-development/) - [Software Companies in Austin](https://enrich.chat/companies-in/austin-tx/software-development/) - [Software Companies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/software-development/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)