| MULL DRILLING COMPANY, INC.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Jun 28, 1968 | Good Standing |
| G.A.S. RESOURCE MANAGEMENT INC.Denver, CO · Good Standing | Denver, CO | Corporation | Feb 25, 1977 | Good Standing |
| GRAND MESA OPERATING COMPANYLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Mar 6, 1981 | Good Standing |
| BURFAM INC., Dissolved March 26, 2015Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | May 20, 1981 | Voluntarily Dissolved |
| ROOM REZ INTERNATIONAL INC., Dissolved December 16, 2021Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Nov 3, 1981 | Voluntarily Dissolved |
| J.G.A. EXPLORATIONS, INC., Dissolved March 31, 2021Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Feb 16, 1982 | Voluntarily Dissolved |
| BEXCO OPERATING, INC., Delinquent November 1, 2018Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Jun 8, 1984 | Delinquent |
| RONOS INVESTMENTS LIMITED, Dissolved January 9, 2012Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Dec 1, 1987 | Voluntarily Dissolved |
| Praxis, Inc.Centennial, CO · Good Standing | Centennial, CO | Corporation | Sep 20, 1990 | Good Standing |
| THREE PILLARS, LLCDenver, CO · Good Standing | Denver, CO | LLC | Sep 11, 1995 | Good Standing |
| O&G MANAGEMENT CORPORATIONDenver, CO · Good Standing | Denver, CO | Corporation | Aug 1, 1996 | Good Standing |
| ROBERT A. BERLINER PETROLEUM CORP.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Aug 22, 1996 | Good Standing |
| CO WEST PROFESSIONALS, LLCCentennial, CO · Good Standing | Centennial, CO | LLC | Apr 8, 1997 | Good Standing |
| PROLYNX USA, INC., Delinquent July 1, 2015Morrison, CO · Delinquent | Morrison, CO | Corporation | Feb 18, 1998 | Delinquent |
| WESTERN STATES STROKE CONSORTIUMLocation not reported, CO · Good Standing | Location not reported, CO | Nonprofit | Mar 17, 1999 | Good Standing |
| SANDOVAL CUSTOM CREATIONS, INC.Palmer Lake, CO · Good Standing | Palmer Lake, CO | Corporation | May 2, 2000 | Good Standing |
| PanAmerican Seismic Inc., Dissolved July 25, 2025Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Mar 27, 2001 | Voluntarily Dissolved |
| PHOTO911 USA INC., Delinquent December 1, 2016Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Jul 27, 2001 | Delinquent |
| COLORADO NURSES, INC., Dissolved January 16, 2019Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Aug 15, 2001 | Voluntarily Dissolved |
| THUNDER HOBBIES, LLC, Dissolved May 28, 2018Byers, CO · Voluntarily Dissolved | Byers, CO | LLC | Apr 5, 2002 | Voluntarily Dissolved |
| GEM RESOURCE SURVEYS, CORP., Dissolved March 15, 2016Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | May 28, 2002 | Voluntarily Dissolved |
| WESTERN CONSOLIDATED, LLCDenver, CO · Good Standing | Denver, CO | LLC | Jan 14, 2003 | Good Standing |
| BP&K, LLC, Delinquent December 1, 2024Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jul 23, 2003 | Delinquent |
| Marketing Communications Alliance LLC, Delinquent August 1, 2018Denver, CO · Delinquent | Denver, CO | LLC | Mar 9, 2007 | Delinquent |
| Charterhall Energy LLC, Delinquent January 1, 2023Brighton, CO · Delinquent | Brighton, CO | LLC | Apr 27, 2007 | Delinquent |
| HOCHMAN CONSULTANTS, LLCDenver, CO · Good Standing | Denver, CO | LLC | May 29, 2008 | Good Standing |
| Enviro Gas LLC, Delinquent January 1, 2023Brighton, CO · Delinquent | Brighton, CO | LLC | Aug 6, 2009 | Delinquent |
| 88 Co., LLC, Delinquent February 1, 2022Denver, CO · Delinquent | Denver, CO | LLC | Sep 11, 2012 | Delinquent |
| Two Corners, LLC, Delinquent September 1, 2022Denver, CO · Delinquent | Denver, CO | LLC | Apr 12, 2013 | Delinquent |
| Broadview, LLCDenver, CO · Good Standing | Denver, CO | LLC | Jun 7, 2013 | Good Standing |
| Marne, LLCDenver, CO · Good Standing | Denver, CO | LLC | Mar 11, 2016 | Good Standing |
| The Vespa LLCDenver, CO · Good Standing | Denver, CO | LLC | Aug 5, 2016 | Good Standing |
| MCDONALD LAND HOLDINGS LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Aug 19, 2016 | Good Standing |
| Maple Hill, COSPGS, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Dec 1, 2016 | Good Standing |
| 40 North LLCDenver, CO · Good Standing | Denver, CO | LLC | Mar 20, 2018 | Good Standing |
| Irondale LLC, Delinquent January 1, 2020Denver, CO · Delinquent | Denver, CO | LLC | Aug 14, 2018 | Delinquent |
| Forty Nine LLC, Dissolved May 7, 2024Denver, CO · Voluntarily Dissolved | Denver, CO | LLC | Jan 22, 2020 | Voluntarily Dissolved |
| Corporate Travel, LLC, Colorado Authority Relinquished February 18, 2026Greenwood Village, CO · Withdrawn | Greenwood Village, CO | LLC | Jun 2, 2022 | Withdrawn |
| Kingsley Enterprises, LLCCastle Pines, CO · Good Standing | Castle Pines, CO | LLC | May 30, 2023 | Good Standing |
| Front Range Minerals, LLCLoveland, CO · Delinquent | Loveland, CO | LLC | Jun 20, 2023 | Delinquent |
| Fazr Sports LLCLittleton, CO · Good Standing | Littleton, CO | LLC | Aug 24, 2023 | Good Standing |
| Alchemist Associates LLCDenver, CO · Good Standing | Denver, CO | LLC | Sep 23, 2024 | Good Standing |
| Briarwood Owners Association, IncDenver, CO · Good Standing | Denver, CO | Nonprofit | Nov 25, 2024 | Good Standing |
| Woody Mountain, LLCDenver, CO · Good Standing | Denver, CO | LLC | Nov 6, 2025 | Good Standing |
| SEW Management LLCMorrison, CO · Good Standing | Morrison, CO | LLC | Nov 7, 2025 | Good Standing |
| East Street Partners LLCDenver, CO · Good Standing | Denver, CO | LLC | Mar 23, 2026 | Good Standing |