| #12 Enterprises, Ltd.Location not reported, CO · Merged | Location not reported, CO | Partnership | Aug 20, 2004 | Merged |
| Cantera Natural Gas, LLC, Colorado Authority Relinquished July 31, 2014Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Aug 30, 2004 | Withdrawn |
| RAA Trucking, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Aug 31, 2004 | Good Standing |
| Provident Investor GP, LLC, Delinquent April 1, 2024Location not reported, CO · Delinquent | Location not reported, CO | LLC | Nov 5, 2004 | Delinquent |
| Greeley Holding Company, LLCLocation not reported, CO · Merged | Location not reported, CO | LLC | Nov 23, 2004 | Merged |
| Midstream Energy Services, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Dec 15, 2004 | Good Standing |
| EnerVest Operating, L.L.C.Location not reported, CO · Good Standing | Location not reported, CO | LLC | Jan 26, 2005 | Good Standing |
| EnerVest, Ltd., Colorado Authority Relinquished August 16, 2023Location not reported, CO · Withdrawn | Location not reported, CO | Partnership | Feb 2, 2005 | Withdrawn |
| EnerVest Energy Institutional Fund IX, LP., Colorado Authority Relinquished May 3, 2023Location not reported, CO · Withdrawn | Location not reported, CO | Partnership | Feb 2, 2005 | Withdrawn |
| EnerVest Energy Institutional Fund IX-WI, L.P., Colorado Authority Relinquished May 3, 2023Location not reported, CO · Withdrawn | Location not reported, CO | Partnership | Feb 2, 2005 | Withdrawn |
| Choice Properties, LPLocation not reported, CO · Exists | Location not reported, CO | Partnership | Feb 24, 2005 | Exists |
| RAA Colorado, L.L.C.Location not reported, CO · Good Standing | Location not reported, CO | LLC | Feb 25, 2005 | Good Standing |
| Tower American CorporationLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Mar 9, 2005 | Good Standing |
| Plains LPG Marketing, L.P., Colorado Authority Relinquished April 25, 2007Location not reported, CO · Withdrawn | Location not reported, CO | Partnership | Mar 25, 2005 | Withdrawn |
| Our Properties, LPLocation not reported, CO · Exists | Location not reported, CO | Partnership | Apr 15, 2005 | Exists |
| RONCO PROPERTIES LPLocation not reported, CO · Exists | Location not reported, CO | Partnership | Apr 16, 2005 | Exists |
| CAJUN PROPERTIES LPLocation not reported, CO · Exists | Location not reported, CO | Partnership | Apr 16, 2005 | Exists |
| HHEAD PARTNERS GP, LLC, Delinquent July 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | May 12, 2005 | Delinquent |
| Powers Brown Architecture, Colorado Authority Relinquished June 3, 2013Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | May 31, 2005 | Withdrawn |
| Our Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 10, 2005 | Delinquent |
| Viking Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 10, 2005 | Delinquent |
| Smash9 Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 10, 2005 | Delinquent |
| Montero Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| Wolverine Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| Cajun Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| Ronco Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| Rising Star Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| Garden Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| CS&L Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| KNA Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| PD Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| Trier Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| Lone Star Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| S.A. Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| Staga Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| Choice1 Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| Crenshaw Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 13, 2005 | Delinquent |
| Skyline Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 14, 2005 | Delinquent |
| Bright Horizon Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 14, 2005 | Delinquent |
| FastStar Properties, LLC, Delinquent August 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jun 14, 2005 | Delinquent |
| Roundstone Properties, L.L.C., Delinquent September 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Jul 20, 2005 | Delinquent |
| Lantern Drilling Company, Colorado Authority Relinquished May 11, 2017Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Sep 1, 2005 | Withdrawn |
| The High Lonesome Ranch, LPLocation not reported, CO · Exists | Location not reported, CO | Partnership | Aug 3, 2005 | Exists |
| KBR Federal Services, LLC, Colorado Authority Relinquished June 15, 2021Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Aug 12, 2005 | Withdrawn |
| Taylor Transfer Services, LLC, Delinquent February 1, 2025Location not reported, CO · Delinquent | Location not reported, CO | LLC | Aug 25, 2005 | Delinquent |
| HUNT TEX PROPERTIES LLC, Delinquent November 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Sep 16, 2005 | Delinquent |
| DBI INVESTMENTS LLC, Delinquent November 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | LLC | Sep 19, 2005 | Delinquent |
| HILCORP ENERGY COMPANYLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Sep 21, 2005 | Good Standing |
| HILCORP ENERGY I, LPLocation not reported, CO · Good Standing | Location not reported, CO | Partnership | Sep 21, 2005 | Good Standing |
| HHEAD CORPORATION, Delinquent April 1, 2007Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Oct 17, 2005 | Delinquent |