| # | Company | Employees |
|---|---|---|
| 1 |
DaVita Kidney Caredavita.com
Leaders in dialysis, providing essential life-sustaining treatment for end-stage kidney disease. Minimizing impacts of kidney disease across full spectrum of kidney health care. |
39,850 |
| 2 |
Western Unionwesternunion.com
A global financial services company expanding ways to send, save, and spend money, making financial services accessible to people worldwide |
15,640 |
| 3 |
Liberty Latin Americalla.com
A leading telecommunications company in Latin America and the Caribbean offering triple-play and quad-play services, enterprise connectivity, fiber optic network, and IT solutions |
6,564 |
| 4 |
Denver Healthdenverhealth.org
Integrated academic health care system in Denver, providing high-quality care, trauma center, emergency response, family health centers, and community resources with a focus on diversity and equality |
6,405 |
| 5 |
HCA HealthONEhealthonecares.com
HealthONE庐 is a part of HCA Healthcare and the largest healthcare system in metro Denver, providing comprehensive care with various facilities and services |
6,312 |
| 6 |
Frontier Airlinesflyfrontier.com
Providing affordable air travel with a modern fleet, extensive destinations, and a strong loyalty program focused on fuel efficiency and innovation. |
6,185 |
| 7 |
DaVitadavita.com
A global healthcare provider specializing in kidney care, prioritizing employee and patient well-being, innovation, and community impact |
4,925 |
| 8 |
Zayo Groupzayo.com
provides extensive fiber network connectivity and tailored edge solutions powering carriers, cloud providers, data centers, educational institutions, and enterprises |
4,478 |
| 9 |
Ovintivovintiv.com
A leading North American energy producer focused on developing oil, natural gas liquids, and natural gas producing plays with innovative strategies |
2,878 |
| 10 |
RTDrtd-denver.com
Public transportation organization in the Denver/Boulder metro area, providing bus, train, paratransit, airport, and special event services with real-time trip planning options |
2,225 |
| 11 |
Modivcaremodivcare.com
Technology-enabled healthcare services offering integrated supportive care solutions addressing social determinants, improving access, reducing costs, and enhancing patient outcomes. |
2,134 |
| 12 |
Coram CVS/specialty infusion servicesjobs.cvshealth.com
National provider of specialty home infusion and pharmacy services, offering comprehensive care for over 20,000 patients monthly through infusion therapies and services |
2,087 |
| 13 |
National Jewish Healthnationaljewish.org
Advanced research and personalized care for pulmonary, cardiac, immune, and related conditions, focusing on predicting, preventing, and treating diseases for better health outcomes |
1,658 |
| 14 |
DCP Midstreamdcpmidstream.com
An innovative energy company based in Denver, providing midstream logistics services in over 10 states Emphasizes employee development and competitive benefits |
1,446 |
| 15 |
InnovAgeinnovage.com
InnovAge provides care and support for seniors to age at home with dignity through the PACE program, focusing on independence and quality of life |
1,274 |
| 16 |
UGI Utilities, Inc.ugi.com
Natural gas and electric utility providing safe, reliable, and affordable energy services to customers across Pennsylvania and Maryland counties. |
1,232 |
| 17 |
Denver International Airport - City & County of Denver Dept of Aviationflydenver.com
A major airport hub in Colorado, employing thousands and generating billions for the region annually Embraces diversity and offers a wide range of career opportunities |
1,185 |
| 18 |
BioScrip, Inc.optioncarehealth.com
A national provider of infusion and home care management solutions, working with healthcare professionals to deliver post-acute care services in home settings |
985 |
| 19 |
DispatchHealthdispatchhealth.com
The company offers trusted home-based medical care for individuals with serious health issues, including urgent care, recovery care, and hospital alternatives |
982 |
| 20 |
Denver Waterdenverwater.org
The company is a nonpolitical municipal agency that provides high-quality water to 15 million people in Denver and surrounding suburbs They promote efficient water use |
978 |
| 21 |
Rose Medical Centerrosemed.com
A leading healthcare facility in Denver providing comprehensive services including women's care, orthopedics, heart care, and bariatric surgery, focusing on improving human life |
807 |
| 22 |
Antero Resourcesanteroresources.com
An independent E&P company focused on exploiting, developing, and acquiring natural gas, NGLs, and oil properties in the Appalachia Basin |
634 |
| 23 |
Mental Health Center of Denverwellpower.org
A not-for-profit mental health center in Denver, focused on providing support and inclusive services to help individuals flourish and thrive |
605 |
| 24 |
AdventHealth Coloradonetworkofcare.adventhealth.com
A healthcare organization dedicated to extending the healing ministry of Christ through a unified system of hospitals and care sites |
594 |
| 25 |
MarkWest Energy Partners, L.P.mplx.com
A master limited partnership engaged in gathering, processing, and transporting natural gas, natural gas liquids, and crude oil in various regions of the United States |
579 |
| 26 |
Credit Union of Coloradocuofco.org
The company focuses on providing financial products and services with a commitment to trust, quality, and service for its members and community |
355 |
| 27 |
QEP Resourcesqepres.com
A leading independent crude oil and natural gas exploration and production company, focused on the Permian Basin and Williston Basin in the US |
351 |
| 28 |
Pivot Energypivotenergy.net
National solar provider with expertise in developing, financing, building, and managing solar and energy storage projects Offers services and software for the full solar ecosystem |
271 |
| 29 |
Civitas Resourcescivitasresources.com
A company with operational expertise in the energy industry, focusing on sustainability and delivering value to local economies and neighbors |
267 |
| 30 |
Onward Energyonwardenergy.com
An independent power platform operating utility-scale wind, solar, and natural gas projects across the US, providing reliable and renewable energy solutions |
260 |
| 31 |
TransMontaigne Partners LLCtransmontaignepartners.com
A leading provider of terminaling, storage, and transportation services to the energy industry with a network of midstream terminals across the US |
176 |
| 32 |
PureSky Energypureskyenergy.com
A company providing renewable energy solutions to energize progress, improve lives, and promote environmental stewardship for a sustainable legacy |
75 |
| 33 |
Meritage Midstreammeritagemidstream.com
A midstream services company offering natural gas, NGL, crude oil gathering, processing, and transportation, focusing on strategic partnerships and unconventional shale plays |
72 |
| 34 |
High Sierra Energy, LP - Subsidiary of NGL Energy Partners LPhighsierraenergy.com
A midstream energy company based in Denver, Colorado, operating in the natural resources industry, specializing in gathering, transporting, marketing crude oil and NGLs, and providing oilfield water services |
60 |
| 35 |
Elk Petroleumelkpetroleum.com
Company specializing in developing and producing long-lived oil and gas reserves in the Greater Aneth Field, with ownership of wells, infrastructure, and operating units |
52 |
| 36 |
Gary-Williams Energy Corporationgwec.com
An energy company with refining operations in Oklahoma, producing gasoline, diesel fuel, jet fuel, solvents, and asphalt with a total capacity of 185,000 bpd |
12 |
| 37 |
West Edgewestedgeenergy.com
A transportation and distribution company specializing in refined petroleum products, crude oil, natural gas, and water, providing infrastructure solutions to energy producers |
3 |
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
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- Healthcare providers in Denver 28
- Financial Services companies in Denver 28
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