> 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/chicago-il/technology-information-and-internet/ # Technology and Internet Companies in Chicago, IL The bigger technology and internet companies headquartered in Chicago, IL, with what they do, their sizes and how to reach their people. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** Among the technology and internet companies counted in Chicago, IL, the biggest by headcount range include Grubhub, Gorilla Group and Tegus. They are mostly very small: 78% have 50 or fewer employees. ## Which technology and internet companies are in Chicago? Among the companies whose public profile lists Technology; Information and Internet as their industry and Chicago, IL as their headquarters, the biggest by headcount range include Grubhub, Gorilla Group, Tegus, Vivid Seats and Cloud5 Communications. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Grubhub | 1,001 to 5,000 | | Gorilla Group | 1,001 to 5,000 | | Tegus | 501 to 1,000 | | Vivid Seats | 501 to 1,000 | | Cloud5 Communications | 501 to 1,000 | | Levata | 501 to 1,000 | | Pricelabs | 201 to 500 | | Affinity Global | 201 to 500 | | Rocket Travel By Agoda | 201 to 500 | | Chowbus | 201 to 500 | | Lyons Consulting Group | 201 to 500 | | Zentro Internet | 201 to 500 | | Netnation | 201 to 500 | | Silver Chalice Ventures | 201 to 500 | | Vmock | 51 to 200 | | Built In | 51 to 200 | | Wayup | 51 to 200 | | Benda Infotech | 51 to 200 | | Raise | 51 to 200 | | Fly.Io | 51 to 200 | | Interior Define | 51 to 200 | | Digital Authority Partners | 51 to 200 | | Shoprunner | 51 to 200 | | Amtrav By Perk | 51 to 200 | | Prolaio | 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 technology and internet companies in Chicago do? Technology; Information and Internet is a broad label. The most common NAICS codes among them are 541511 (33%), 513210 (10%) and 517810 (7%). **Figure: What technology and internet companies in Chicago do.** Bars for the share of counted technology and internet companies with each code: 541511 33%, 513210 10%, 517810 7%, 236220 3%, 339950 3%, 423420 3%, 445298 3%. *Share of counted technology and internet companies in Chicago by their NAICS code.* [NAICS 541511](https://enrich.chat/naics/541511/)[NAICS 513210](https://enrich.chat/naics/513210/)[NAICS 517810](https://enrich.chat/naics/517810/)[NAICS 236220](https://enrich.chat/naics/236220/)[NAICS 339950](https://enrich.chat/naics/339950/)[NAICS 423420](https://enrich.chat/naics/423420/) ## How big are they? 78% of the technology and internet companies counted in Chicago 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 technology and internet companies in Chicago.** Seven columns for the share of counted technology and internet companies in Chicago in each employee range: 11 to 50 78%, 51 to 200 16%, 201 to 500 3%, 501 to 1,000 2%, 1,001 to 5,000 1%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted technology and internet companies in Chicago in each employee range.* ## How old are they? Most were founded in the 2010s (55%), then the 2020s (22%). **Figure: When technology and internet companies in Chicago were founded.** Eight columns for the share of counted technology and internet companies in Chicago founded in each era: Before 1960 0%, 1960s 1%, 1970s 0%, 1980s 1%, 1990s 4%, 2000s 17%, 2010s 55%, 2020s 22%. *Share of counted technology and internet companies in Chicago by the era they were founded in, for the ones that list a founding year.* ## How technology and internet companies compare - 77% were founded in 2010 or later, against 54% across other cities on this site. ## How do you reach the people at technology and internet companies in Chicago? The people to talk to are usually product, engineering and growth 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 technology and internet companies in Chicago, IL ``` ### 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 product, engineering and growth leaders at technology and internet companies in Chicago, IL, 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 Chicago: [Real Estate Companies](https://enrich.chat/companies-in/chicago-il/real-estate/)[IT Services Companies](https://enrich.chat/companies-in/chicago-il/it-services-and-it-consulting/)[Financial Services Companies](https://enrich.chat/companies-in/chicago-il/financial-services/)[Advertising Agencies](https://enrich.chat/companies-in/chicago-il/advertising-services/)[Software Companies](https://enrich.chat/companies-in/chicago-il/software-development/)[Construction Companies](https://enrich.chat/companies-in/chicago-il/construction/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/chicago-il/hospitals-and-health-care/)[Consulting Firms](https://enrich.chat/companies-in/chicago-il/business-consulting-and-services/)[Nonprofit Organizations](https://enrich.chat/companies-in/chicago-il/non-profit-organizations/)[Law Firms](https://enrich.chat/companies-in/chicago-il/law-practice/)[Staffing and Recruiting Firms](https://enrich.chat/companies-in/chicago-il/staffing-and-recruiting/)[Legal Services Firms](https://enrich.chat/companies-in/chicago-il/legal-services/)[Education Organizations](https://enrich.chat/companies-in/chicago-il/education-administration-programs/)[Logistics and Supply Chain Companies](https://enrich.chat/companies-in/chicago-il/transportation-logistics-supply-chain-and-storage/)[Colleges and Universities](https://enrich.chat/companies-in/chicago-il/higher-education/)[Insurance Companies](https://enrich.chat/companies-in/chicago-il/insurance/)[Architecture Firms](https://enrich.chat/companies-in/chicago-il/architecture-and-planning/)[Manufacturers](https://enrich.chat/companies-in/chicago-il/manufacturing/)[Food and Beverage Manufacturers](https://enrich.chat/companies-in/chicago-il/food-and-beverage-manufacturing/)[All of Chicago](https://enrich.chat/companies-in/chicago-il/) Technology and Internet Companies in other cities: [New York, NY](https://enrich.chat/companies-in/new-york-ny/technology-information-and-internet/)[San Francisco, CA](https://enrich.chat/companies-in/san-francisco-ca/technology-information-and-internet/)[Los Angeles, CA](https://enrich.chat/companies-in/los-angeles-ca/technology-information-and-internet/)[Miami, FL](https://enrich.chat/companies-in/miami-fl/technology-information-and-internet/)[Austin, TX](https://enrich.chat/companies-in/austin-tx/technology-information-and-internet/)[Boston, MA](https://enrich.chat/companies-in/boston-ma/technology-information-and-internet/)[Palo Alto, CA](https://enrich.chat/companies-in/palo-alto-ca/technology-information-and-internet/)[Seattle, WA](https://enrich.chat/companies-in/seattle-wa/technology-information-and-internet/)[San Jose, CA](https://enrich.chat/companies-in/san-jose-ca/technology-information-and-internet/)[Atlanta, GA](https://enrich.chat/companies-in/atlanta-ga/technology-information-and-internet/) ## Frequently asked questions ### Which are the biggest technology and internet companies in Chicago? Among those counted, they include Grubhub, Gorilla Group, Tegus, Vivid Seats and Cloud5 Communications, ranked by headcount range. ### How big are technology and internet companies in Chicago? 78% 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 technology; information and internet? Companies whose public profile lists Technology; Information and Internet as their industry and whose headquarters are in Chicago, IL. ## Try this prompt Find the people at technology and internet companies in Chicago ```text Use www.enrich.chat to find the product, engineering and growth leaders at technology and internet companies in Chicago, IL, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Real Estate Companies in Chicago](https://enrich.chat/companies-in/chicago-il/real-estate/) - [IT Services Companies in Chicago](https://enrich.chat/companies-in/chicago-il/it-services-and-it-consulting/) - [Financial Services Companies in Chicago](https://enrich.chat/companies-in/chicago-il/financial-services/) - [Advertising Agencies in Chicago](https://enrich.chat/companies-in/chicago-il/advertising-services/) - [Technology and Internet Companies in New York](https://enrich.chat/companies-in/new-york-ny/technology-information-and-internet/) - [Technology and Internet Companies in San Francisco](https://enrich.chat/companies-in/san-francisco-ca/technology-information-and-internet/) - [Technology and Internet Companies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/technology-information-and-internet/) - [Technology and Internet Companies in Miami](https://enrich.chat/companies-in/miami-fl/technology-information-and-internet/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)