Category
page 1Companies based in Denver
Frontier Airlines
airline in the United States
The North Face, Inc.
American company featuring outdoor apparel and sportswear
Smashburger
American fast-food chain
Beatport
Beatport is an American electronic music-oriented online music store owned by LiveStyle. The company is based in Denver, Los Angeles, and Berlin. Beatport is oriented primarily towards DJs, selling full songs as well as resources that can be used for remixes. It also operates a specialized music streaming service oriented towards DJs.

Newmont Mining Corporation
Newmont Corporation is an American gold mining company based in Denver, Colorado.
It is the world's largest gold mining corporation. Incorporated in 1921, it holds ownership of gold mines in the United States, Canada, Mexico, the Dominican Republic, Australia, Ghana, Argentina, Peru, and Suriname. Newmont is also a partial owner of Nevada Gold Mines in Nevada with Barrick Mining being the majority owner and operator. In addition to gold, Newmont mines copper, silver, zinc and lead.

System76
System76, Inc. is an American computer manufacturer based in Denver, Colorado, that sells notebook computers, desktop computers, and servers. The company utilizes free and open-source software, and offers a choice of Ubuntu or their own Ubuntu-based Linux distribution Pop!_OS as preinstalled operating systems.

Quiznos
Quiz Holdings, LLC, doing business as Quiznos, is an American franchised fast-food restaurant based in Denver that specializes in offering toasted submarine sandwiches. It was founded in 1981 by Jimmy Lambatos and sold to Rick and Richard Schaden ten years later. It then grew to nearly 5,000 restaurants; by 2013, Quiznos was the second-largest submarine sandwich shop chain in North America, behind Subway. It filed for bankruptcy in 2014; by 2016, it had dropped to ninth place, and the number of Quiznos locations in the United States fell from a 2007 high of 4,700 to just 400 a decade later.

RE/MAX
thumb|right|250px|RE/MAX office in Kirstenhof, Cape Town, [[South Africa]]
thumb|right|The RE/MAX hot air balloon at a balloon festival. RE/MAX introduced its hot air balloon logo in 1978 as part of its "Above the Crowd" advertising campaign.
thumb|RE/MAX office in Canada|right|250px
thumb|Business building listed by RE/MAX
thumb|RE/MAX For Sale sign
RE/MAX (officially RE/MAX Holdings, Inc., and short for Real Estate Maximums) is an international real estate franchise operating in over 100 countries and territories that, in 2015, had over 100,000 agents in 6,800 offices.
JD Edwards
ERP software vendor, later purchased by PeopleSoft (now part of Oracle)
Qwest
Qwest Communications International, Inc. was a United States telecommunications carrier. Qwest provided local service in 14 western and midwestern U.S. states: Arizona, Colorado, Idaho,Indiana, Iowa, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Oregon, South Dakota, Texas, Utah, Washington, and Wyoming.
Ted
airline
New World Interactive
American video game development company
Ovintiv
Ovintiv Inc., based in Denver, is an American company engaged in hydrocarbon exploration. The company was previously known as Encana, which, in 2020, restructured from a company domiciled in Canada to a company domiciled in the United States. The company's operations are mainly in the Permian Basin in the United States and in the Montney Formation, where it has a partnership with Mitsubishi, in Canada.
MapQuest Inc.
MapQuest (formerly stylized as mapquest) is an American free online web mapping service. It was launched in 1996 as the first commercial web mapping service. MapQuest's competitors include Apple Maps, Here (a Dutch mapping service company), and Google Maps.
Denver and Rio Grande Western Railroad
American Class I railroad company

Quark, Inc.
company
Furniture Row Racing
Defunct American stock car racing team
MPEG LA
defunct American patent licensing company
AXS TV
American specialty television channel
examiner.com
Examiner.com was an American news website based in Denver, Colorado, that operated using a network of 'pro-am' contributors for content. It had various local editions with contributors posting city-based items tailored to 238 markets throughout the United States and parts of Canada in two putative national editions, one for each country.
King Soopers
American supermarket brand owned by Kroger in the Rocky Mountains
Janus Capital Group
former American publicly owned investment firm headquartered in Denver, Colorado
PCL Construction
general contracting organization in Canada and the United States
Romano's Macaroni Grill
American casual dining restaurant chain specializing in Italian-American cuisine
Tele-Communications Inc.
defunct American cable television provider
Aimco
Apartment Investment and Management Company, commonly referred to as Aimco, is an American publicly traded real estate investment trust. As of December 31, 2024, the company owned 24 apartment communities comprising 5,243 apartment units as well as one hotel.