> 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/denver-co/telecommunications/ # Telecommunications Companies in Denver, CO The bigger telecommunications companies headquartered in Denver, CO, with what they do, their sizes and how to reach their people. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** Among the telecommunications companies counted in Denver, CO, the biggest by headcount range include Zayo Group, Fluentstream and Carma. They are mostly very small: 78% have 50 or fewer employees. ## Which telecommunications companies are in Denver? Among the companies whose public profile lists Telecommunications as their industry and Denver, CO as their headquarters, the biggest by headcount range include Zayo Group, Fluentstream, Carma, Bonfire Infrastructure Group and Magellan. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Zayo Group | 1,001 to 5,000 | | Fluentstream | 51 to 200 | | Carma | 51 to 200 | | Bonfire Infrastructure Group | 51 to 200 | | Magellan | 51 to 200 | | Bam Broadband | 51 to 200 | | Sage Telecommunications | 51 to 200 | | Comcables | 51 to 200 | | Teli By Commio | 51 to 200 | | Voiptime Cloud | 51 to 200 | | Surecall Experts | 51 to 200 | | Sigma Communications | 51 to 200 | | Phone Service Usa | 51 to 200 | | Meetingone | 11 to 50 | | Iq Wired | 11 to 50 | | The Wict Network Rocky Mountain | 11 to 50 | | Adaptive Spirit | 11 to 50 | | Teliax | 11 to 50 | | Radiusdc | 11 to 50 | | 4rf Usa | 11 to 50 | | Mutable | 11 to 50 | | Hitron-Americas | 11 to 50 | | Forethought.Net | 11 to 50 | | Tekniam | 11 to 50 | | Mobileware | 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 telecommunications companies in Denver do? Telecommunications is a broad label. The most common NAICS codes among them are 517121 (22%), 213112 (11%) and 238990 (11%). **Figure: What telecommunications companies in Denver do.** Bars for the share of counted telecommunications companies with each code: 517121 22%, 213112 11%, 238990 11%, 334210 11%, 334220 11%, 423690 11%, 516210 11%. *Share of counted telecommunications companies in Denver by their NAICS code.* [NAICS 238990](https://enrich.chat/naics/238990/)[NAICS 334210](https://enrich.chat/naics/334210/)[NAICS 334220](https://enrich.chat/naics/334220/) ## How big are they? 78% of the telecommunications companies counted in Denver 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 telecommunications companies in Denver.** Seven columns for the share of counted telecommunications companies in Denver in each employee range: 11 to 50 78%, 51 to 200 21%, 201 to 500 0%, 501 to 1,000 0%, 1,001 to 5,000 2%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted telecommunications companies in Denver in each employee range.* ## How do you reach the people at telecommunications companies in Denver? The people to talk to are usually network, IT and procurement 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 telecommunications companies in Denver, CO ``` ### 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 network, IT and procurement leaders at telecommunications companies in Denver, CO, 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 Denver: [Construction Companies](https://enrich.chat/companies-in/denver-co/construction/)[Real Estate Companies](https://enrich.chat/companies-in/denver-co/real-estate/)[Software Companies](https://enrich.chat/companies-in/denver-co/software-development/)[Advertising Agencies](https://enrich.chat/companies-in/denver-co/advertising-services/)[IT Services Companies](https://enrich.chat/companies-in/denver-co/it-services-and-it-consulting/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/denver-co/hospitals-and-health-care/)[Financial Services Companies](https://enrich.chat/companies-in/denver-co/financial-services/)[Consulting Firms](https://enrich.chat/companies-in/denver-co/business-consulting-and-services/)[Oil and Gas Companies](https://enrich.chat/companies-in/denver-co/oil-and-gas/)[Nonprofit Organizations](https://enrich.chat/companies-in/denver-co/non-profit-organizations/)[Technology and Internet Companies](https://enrich.chat/companies-in/denver-co/technology-information-and-internet/)[Architecture Firms](https://enrich.chat/companies-in/denver-co/architecture-and-planning/)[Manufacturers](https://enrich.chat/companies-in/denver-co/manufacturing/)[Staffing and Recruiting Firms](https://enrich.chat/companies-in/denver-co/staffing-and-recruiting/)[Legal Services Firms](https://enrich.chat/companies-in/denver-co/legal-services/)[Trucking Companies](https://enrich.chat/companies-in/denver-co/truck-transportation/)[Insurance Companies](https://enrich.chat/companies-in/denver-co/insurance/)[All of Denver](https://enrich.chat/companies-in/denver-co/) Telecommunications Companies in other cities: [Miami, FL](https://enrich.chat/companies-in/miami-fl/telecommunications/)[Austin, TX](https://enrich.chat/companies-in/austin-tx/telecommunications/)[Dallas, TX](https://enrich.chat/companies-in/dallas-tx/telecommunications/)[Atlanta, GA](https://enrich.chat/companies-in/atlanta-ga/telecommunications/)[San Diego, CA](https://enrich.chat/companies-in/san-diego-ca/telecommunications/)[Las Vegas, NV](https://enrich.chat/companies-in/las-vegas-nv/telecommunications/)[Tampa, FL](https://enrich.chat/companies-in/tampa-fl/telecommunications/)[Plano, TX](https://enrich.chat/companies-in/plano-tx/telecommunications/)[San Jose, CA](https://enrich.chat/companies-in/san-jose-ca/telecommunications/)[Irvine, CA](https://enrich.chat/companies-in/irvine-ca/telecommunications/) ## Frequently asked questions ### Which are the biggest telecommunications companies in Denver? Among those counted, they include Zayo Group, Fluentstream, Carma, Bonfire Infrastructure Group and Magellan, ranked by headcount range. ### How big are telecommunications companies in Denver? 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 telecommunications? Companies whose public profile lists Telecommunications as their industry and whose headquarters are in Denver, CO. ## Try this prompt Find the people at telecommunications companies in Denver ```text Use www.enrich.chat to find the network, IT and procurement leaders at telecommunications companies in Denver, CO, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Construction Companies in Denver](https://enrich.chat/companies-in/denver-co/construction/) - [Real Estate Companies in Denver](https://enrich.chat/companies-in/denver-co/real-estate/) - [Software Companies in Denver](https://enrich.chat/companies-in/denver-co/software-development/) - [Advertising Agencies in Denver](https://enrich.chat/companies-in/denver-co/advertising-services/) - [Telecommunications Companies in Miami](https://enrich.chat/companies-in/miami-fl/telecommunications/) - [Telecommunications Companies in Austin](https://enrich.chat/companies-in/austin-tx/telecommunications/) - [Telecommunications Companies in Dallas](https://enrich.chat/companies-in/dallas-tx/telecommunications/) - [Telecommunications Companies in Atlanta](https://enrich.chat/companies-in/atlanta-ga/telecommunications/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)