This list of Colorado companies includes notable companies that are, or once were, headquartered in Colorado.
A
- Aerocar
- Aimco
- Air Methods
- American Furniture Warehouse
- American Medical Response
- Antero Resources
- Arrow Electronics
- Arrowhead Mills, a division of the Hain Celestial Group
- Aspen Skiing Company
- Avery Brewing Company
B
- Ball Corporation
- Big O Tires
- Bold Earth Teen Adventures
- Boston Market
- Boulder Brands
- Bristol Brewing Company
- Budget Truck Rental
C
- Celestial Seasonings
- CH2M Hill
- Cherwell Software
- Chipotle Mexican Grill
- Chocolove
- CIBER, Inc.
- Colorado Interstate Gas
- Coors
- Corporate Express North America
- Crocs
- CSG International
D
- Datavail
- DaVita
- Denver Rock Island Railroad
- Dex Media
- DigitalGlobe
- Discovery Holding Company
- Dish Network
- Dynamic Materials Corporation
E
- eBags
- EchoStar
- Einstein Bros. Bagels
- Estes Industries/Cox Models
- Exede Internet
- Envision Healthcare
F
- First Data
- Flying Dog Brewery
- Fortenberry & Associates
- FreeWave Technologies, Inc.
- Frontier Airlines
G
- Gaiam
- Gates Rubber Company (Gates Corporation)
- Golden Software
- Gray Line Worldwide
- Great Divide Brewing Company
- Great Lakes Aircraft Company
H
- Hitachi Software Global Technology Ltd.
I
- Ibotta
- Impact Confections
J
- Janus Capital Group
- Jeppesen
- Jolly Rancher
K
- Kaiser Permanente
- Key Lime Air
- King Soopers & City Market, divisions of Kroger
- Kong Company
- Kroenke Sports & Entertainment
L
- LaMar's Donuts
- Lärabar
- Leopold Bros.
- Level 3 Communications
- Liberty Global
- Liberty Media
- Liberty Skis
- Loaf 'N Jug, a division of Kroger
- Love Grown Foods
M
- Magpul Industries
- Matchstick Productions
- MDC Holdings
- MediaNews Group
- Molson Coors Brewing Company
- Mushkin
N
- name.com
- National CineMedia
- Navis Logistics Network
- Never Summer
- New Belgium Brewing Company
- Newmont Mining
- NextMedia Group
- Noodles & Company
- Novus Biologicals
O
- Odell Brewing Company
- Old Chicago
- Osprey
- OtterBox
P
- Paladin Press
- PCL Construction
- Peach Street Distillers
- Pearl Izumi
- PostNet
Q
- Qdoba Mexican Grill
- Quark, Inc.
- Quizno's
R
- Range Fuels
- RE/MAX International
- Recondo Technology
- Red Robin
- Rock Bottom Restaurants Inc.
- Rocky Mountain Chocolate Factory
S
- Saga Petroleum LLC
- Samsonite
- SBR Creative Media
- SCI Fidelity Records
- Smashburger
- Software Bisque
- Sovenco
- Specialty Sports Venture
- Sports Authority
- SpotXchange
- Spyder
- Spyderco
- Stranahan's Colorado Whiskey
- Swift & Company (S&C Holdco 3)
T
- Terra Soft Solutions
- THANASI Foods
- TransMontaigne
V
- Vail Resorts
- Verio
- VICORP Restaurants, Inc, parent company of Village Inn and Bakers Square
W
- Waterpik
- Webroot
- Western Sugar Cooperative
- Western Union
- White Wave Foods
- Wing-Time
- Woody's Chicago Style
- Worker Studio
X
- Xero Shoes
Z
- Zynex