| H. C. PECK & ASSOCIATES, INC.Denver, CO · Good Standing | Denver, CO | Corporation | Dec 23, 1988 | Good Standing |
| MEAGHER OIL AND GAS PROPERTIES, INC.Greenwood Village, CO · Good Standing | Greenwood Village, CO | Corporation | Dec 23, 1991 | Good Standing |
| Beatty & Wozniak, P.C.Denver, CO · Good Standing | Denver, CO | Corporation | Aug 27, 1998 | Good Standing |
| MEAGHER ENERGY COMPANY, LLCGreenwood Village, CO · Good Standing | Greenwood Village, CO | LLC | Jul 29, 1999 | Good Standing |
| CRESCENDO ENERGY, LLC, Colorado Authority Relinquished November 10, 2005Denver, CO · Withdrawn | Denver, CO | LLC | Jul 13, 2000 | Withdrawn |
| Vector Resources, LLC, Dissolved January 31, 2018Denver, CO · Voluntarily Dissolved | Denver, CO | LLC | Sep 28, 2005 | Voluntarily Dissolved |
| Bristar Containment Industries (USA), Inc., Colorado Authority Relinquished September 13, 2007Denver, CO · Withdrawn | Denver, CO | Corporation | Jan 9, 2006 | Withdrawn |
| Real Estate Equity Group, LLC, Dissolved April 27, 2009Denver, CO · Voluntarily Dissolved | Denver, CO | LLC | May 11, 2006 | Voluntarily Dissolved |
| Real Estate Equity Management, LLC, Dissolved April 27, 2009Denver, CO · Voluntarily Dissolved | Denver, CO | LLC | May 11, 2006 | Voluntarily Dissolved |
| Windmill Energy Properties, LLCDenver, CO · Good Standing | Denver, CO | LLC | May 12, 2006 | Good Standing |
| PipErin LLLPDenver, CO · Good Standing | Denver, CO | Other | Aug 7, 2008 | Good Standing |
| Entrasol, LLC, Dissolved October 14, 2009Denver, CO · Voluntarily Dissolved | Denver, CO | LLC | Sep 12, 2008 | Voluntarily Dissolved |
| Meagher Energy Advisors, Inc., Dissolved July 15, 2026Greenwood Village, CO · Voluntarily Dissolved | Greenwood Village, CO | Corporation | Nov 3, 2008 | Voluntarily Dissolved |
| Ascent Petroleum Ventures (Colorado) LLC, Dissolved March 23, 2010Denver, CO · Voluntarily Dissolved | Denver, CO | LLC | Mar 21, 2009 | Voluntarily Dissolved |
| Dreams Castle LLC, Dissolved March 23, 2010Denver, CO · Voluntarily Dissolved | Denver, CO | LLC | Mar 30, 2009 | Voluntarily Dissolved |
| Alliance for Clean Energy, Delinquent February 1, 2011Denver, CO · Delinquent | Denver, CO | Nonprofit | Aug 14, 2009 | Delinquent |
| Sage Resources, LLCDenver, CO · Good Standing | Denver, CO | LLC | Jul 24, 2012 | Good Standing |
| IronHorse Colorado Resources, LLCGreenwood Village, CO · Good Standing | Greenwood Village, CO | LLC | Apr 30, 2014 | Good Standing |
| Production Optimization, Inc.Golden, CO · Good Standing | Golden, CO | Corporation | Jul 29, 2015 | Good Standing |
| Black Sheep Holdings, LPGolden, CO · Good Standing | Golden, CO | Partnership | Feb 23, 2016 | Good Standing |
| Parrot Energy, LLCDenver, CO · Good Standing | Denver, CO | LLC | Nov 21, 2019 | Good Standing |
| Elevation Field Services, LLCDenver, CO · Good Standing | Denver, CO | LLC | May 26, 2020 | Good Standing |
| Wolverine Minerals, LLCBoulder, CO · Good Standing | Boulder, CO | LLC | Apr 4, 2022 | Good Standing |
| Beaver Operating Company, LLCBoulder Co 80301, CO · Good Standing | Boulder Co 80301, CO | LLC | Apr 4, 2022 | Good Standing |
| Holmes Oil Company, LLCLocation not reported, CO · Delinquent | Location not reported, CO | LLC | Apr 18, 2022 | Delinquent |
| Elly May Minerals LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Jun 22, 2022 | Good Standing |
| Aspen Glen, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Oct 5, 2022 | Good Standing |
| Shale Creek, LLCDenver, CO · Good Standing | Denver, CO | LLC | Dec 8, 2022 | Good Standing |
| SKLAR, INC.Boulder, CO · Delinquent | Boulder, CO | Corporation | May 22, 2024 | Delinquent |