> 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/houston-tx/software-development/ # Software Companies in Houston, TX The bigger software companies headquartered in Houston, TX, 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 Houston, TX, the biggest by headcount range include Highradius, Pros and Symplr. They are mostly very small: 70% have 50 or fewer employees. ## Which software companies are in Houston? Among the companies whose public profile lists Software Development as their industry and Houston, TX as their headquarters, the biggest by headcount range include Highradius, Pros, Symplr, Quorum Software and Cart.Com. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Highradius | 1,001 to 5,000 | | Pros | 1,001 to 5,000 | | Symplr | 1,001 to 5,000 | | Quorum Software | 1,001 to 5,000 | | Cart.Com | 1,001 to 5,000 | | Stem | 501 to 1,000 | | Automationedge | 501 to 1,000 | | Plesk | 501 to 1,000 | | Idera | 501 to 1,000 | | Hungerrush | 501 to 1,000 | | Cpanel | 501 to 1,000 | | I-Care Reliability | 501 to 1,000 | | Gonet Usa - An Orion Innovation | 501 to 1,000 | | Whmcs | 501 to 1,000 | | Zapta Technologies | 201 to 500 | | Tekrevol | 201 to 500 | | Pas | 201 to 500 | | Raptor Technologies | 201 to 500 | | Gubagoo | 201 to 500 | | Open It | 201 to 500 | | Flip Robo Technologies | 201 to 500 | | Solarc | 201 to 500 | | Incite Logix | 201 to 500 | | Priceeasy Ai | 51 to 200 | | Velozient | 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. ## What do software companies in Houston do? Software Development is a broad label. The most common NAICS codes among them are 541511 (45%), 513210 (15%) and 541512 (11%). **Figure: What software companies in Houston do.** Bars for the share of counted software companies with each code: 541511 45%, 513210 15%, 541512 11%, 541618 6%, 541613 4%. *Share of counted software companies in Houston by their NAICS code.* [NAICS 541511](https://enrich.chat/naics/541511/)[NAICS 513210](https://enrich.chat/naics/513210/)[NAICS 541512](https://enrich.chat/naics/541512/)[NAICS 541613](https://enrich.chat/naics/541613/) ## How big are they? 70% of the software companies counted in Houston 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 Houston.** Seven columns for the share of counted software companies in Houston in each employee range: 11 to 50 70%, 51 to 200 25%, 201 to 500 2%, 501 to 1,000 2%, 1,001 to 5,000 1%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted software companies in Houston in each employee range.* ## How old are they? Most were founded in the 2010s (42%), then the 2000s (23%). **Figure: When software companies in Houston were founded.** Eight columns for the share of counted software companies in Houston founded in each era: Before 1960 1%, 1960s 0%, 1970s 1%, 1980s 4%, 1990s 9%, 2000s 23%, 2010s 42%, 2020s 19%. *Share of counted software companies in Houston by the era they were founded in, for the ones that list a founding year.* ## How do you reach the people at software companies in Houston? 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 Houston, TX ``` ### 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 Houston, TX, 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 Houston: [Oil and Gas Companies](https://enrich.chat/companies-in/houston-tx/oil-and-gas/)[Construction Companies](https://enrich.chat/companies-in/houston-tx/construction/)[IT Services Companies](https://enrich.chat/companies-in/houston-tx/it-services-and-it-consulting/)[Real Estate Companies](https://enrich.chat/companies-in/houston-tx/real-estate/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/houston-tx/hospitals-and-health-care/)[Consulting Firms](https://enrich.chat/companies-in/houston-tx/business-consulting-and-services/)[Financial Services Companies](https://enrich.chat/companies-in/houston-tx/financial-services/)[Advertising Agencies](https://enrich.chat/companies-in/houston-tx/advertising-services/)[Staffing and Recruiting Firms](https://enrich.chat/companies-in/houston-tx/staffing-and-recruiting/)[Nonprofit Organizations](https://enrich.chat/companies-in/houston-tx/non-profit-organizations/)[Logistics and Supply Chain Companies](https://enrich.chat/companies-in/houston-tx/transportation-logistics-supply-chain-and-storage/)[Law Firms](https://enrich.chat/companies-in/houston-tx/law-practice/)[Insurance Companies](https://enrich.chat/companies-in/houston-tx/insurance/)[Trucking Companies](https://enrich.chat/companies-in/houston-tx/truck-transportation/)[Facilities Services Companies](https://enrich.chat/companies-in/houston-tx/facilities-services/)[Legal Services Firms](https://enrich.chat/companies-in/houston-tx/legal-services/)[Manufacturers](https://enrich.chat/companies-in/houston-tx/manufacturing/)[Wholesale Distributors](https://enrich.chat/companies-in/houston-tx/wholesale/)[Technology and Internet Companies](https://enrich.chat/companies-in/houston-tx/technology-information-and-internet/)[All of Houston](https://enrich.chat/companies-in/houston-tx/) 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/)[Seattle, WA](https://enrich.chat/companies-in/seattle-wa/software-development/)[Miami, FL](https://enrich.chat/companies-in/miami-fl/software-development/)[Dallas, TX](https://enrich.chat/companies-in/dallas-tx/software-development/) ## Frequently asked questions ### Which are the biggest software companies in Houston? Among those counted, they include Highradius, Pros, Symplr, Quorum Software and Cart.Com, ranked by headcount range. ### How big are software companies in Houston? 70% 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 Houston, TX. ## Try this prompt Find the people at software companies in Houston ```text Use www.enrich.chat to find the engineering, product and revenue leaders at software companies in Houston, TX, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Oil and Gas Companies in Houston](https://enrich.chat/companies-in/houston-tx/oil-and-gas/) - [Construction Companies in Houston](https://enrich.chat/companies-in/houston-tx/construction/) - [IT Services Companies in Houston](https://enrich.chat/companies-in/houston-tx/it-services-and-it-consulting/) - [Real Estate Companies in Houston](https://enrich.chat/companies-in/houston-tx/real-estate/) - [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/)