> 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/oil-and-gas/ # Oil and Gas Companies in Denver, CO The bigger oil and gas 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 oil and gas companies counted in Denver, CO, the biggest by headcount range include Ovintiv, Liberty Energy and Dcp Midstream. They are mostly very small: 57% have 50 or fewer employees. ## Which oil and gas companies are in Denver? Among the companies whose public profile lists Oil and Gas as their industry and Denver, CO as their headquarters, the biggest by headcount range include Ovintiv, Liberty Energy, Dcp Midstream, Markwest Energy Partners and Sm Energy. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Ovintiv | 1,001 to 5,000 | | Liberty Energy | 1,001 to 5,000 | | Dcp Midstream | 1,001 to 5,000 | | Markwest Energy Partners | 1,001 to 5,000 | | Sm Energy | 501 to 1,000 | | Pdc Energy | 501 to 1,000 | | Forest Oil | 501 to 1,000 | | Brigade Energy Services | 501 to 1,000 | | Transmontaigne Partners | 501 to 1,000 | | Antero Resources | 201 to 500 | | Jonah Energy | 201 to 500 | | Ifs Energy & Resources | 201 to 500 | | Caerus Oil And Gas | 201 to 500 | | Kodiak Oil & Gas | 201 to 500 | | Columbine | 201 to 500 | | Aspect Holdings | 201 to 500 | | Qb Energy | 201 to 500 | | Enservco | 201 to 500 | | K.P. Kauffman | 201 to 500 | | Clean Waterways Conference | 201 to 500 | | Raisa Energy | 51 to 200 | | Fourpoint Energy | 51 to 200 | | Anschutz Exploration | 51 to 200 | | Validus Energy | 51 to 200 | | Purewest Energy | 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 oil and gas companies in Denver do? Oil and Gas is a broad label. The most common NAICS codes among them are 213112 (24%), 211120 (14%) and 213111 (5%). **Figure: What oil and gas companies in Denver do.** Bars for the share of counted oil and gas companies with each code: 213112 24%, 211120 14%, 213111 5%, 424720 5%. *Share of counted oil and gas companies in Denver by their NAICS code.* [NAICS 211120](https://enrich.chat/naics/211120/)[NAICS 213111](https://enrich.chat/naics/213111/)[NAICS 424720](https://enrich.chat/naics/424720/) ## How big are they? 57% of the oil and gas 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 oil and gas companies in Denver.** Seven columns for the share of counted oil and gas companies in Denver in each employee range: 11 to 50 57%, 51 to 200 29%, 201 to 500 8%, 501 to 1,000 3%, 1,001 to 5,000 3%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted oil and gas companies in Denver in each employee range.* ## How old are they? Most were founded in the 2010s (46%), then the 2000s (19%). **Figure: When oil and gas companies in Denver were founded.** Eight columns for the share of counted oil and gas companies in Denver founded in each era: Before 1960 7%, 1960s 3%, 1970s 1%, 1980s 9%, 1990s 7%, 2000s 19%, 2010s 46%, 2020s 9%. *Share of counted oil and gas companies in Denver by the era they were founded in, for the ones that list a founding year.* ## How oil and gas companies compare - 57% of oil and gas companies in Denver have 50 or fewer employees, against 71% across other cities on this site. ## How do you reach the people at oil and gas companies in Denver? The people to talk to are usually operations, procurement and finance 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 oil and gas 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 operations, procurement and finance leaders at oil and gas 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/)[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/)[Telecommunications Companies](https://enrich.chat/companies-in/denver-co/telecommunications/)[Insurance Companies](https://enrich.chat/companies-in/denver-co/insurance/)[All of Denver](https://enrich.chat/companies-in/denver-co/) Oil and Gas Companies in other cities: [Houston, TX](https://enrich.chat/companies-in/houston-tx/oil-and-gas/)[Dallas, TX](https://enrich.chat/companies-in/dallas-tx/oil-and-gas/)[Oklahoma City, OK](https://enrich.chat/companies-in/oklahoma-city-ok/oil-and-gas/)[Tulsa, OK](https://enrich.chat/companies-in/tulsa-ok/oil-and-gas/)[Fort Worth, TX](https://enrich.chat/companies-in/fort-worth-tx/oil-and-gas/)[San Antonio, TX](https://enrich.chat/companies-in/san-antonio-tx/oil-and-gas/) ## Frequently asked questions ### Which are the biggest oil and gas companies in Denver? Among those counted, they include Ovintiv, Liberty Energy, Dcp Midstream, Markwest Energy Partners and Sm Energy, ranked by headcount range. ### How big are oil and gas companies in Denver? 57% 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 oil and gas? Companies whose public profile lists Oil and Gas as their industry and whose headquarters are in Denver, CO. ## Try this prompt Find the people at oil and gas companies in Denver ```text Use www.enrich.chat to find the operations, procurement and finance leaders at oil and gas 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/) - [Oil and Gas Companies in Houston](https://enrich.chat/companies-in/houston-tx/oil-and-gas/) - [Oil and Gas Companies in Dallas](https://enrich.chat/companies-in/dallas-tx/oil-and-gas/) - [Oil and Gas Companies in Oklahoma City](https://enrich.chat/companies-in/oklahoma-city-ok/oil-and-gas/) - [Oil and Gas Companies in Tulsa](https://enrich.chat/companies-in/tulsa-ok/oil-and-gas/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)