| ELJAY, LLC., Dissolved July 1, 2001Englewood, CO · Administratively Dissolved | Englewood, CO | LLC | Feb 26, 1999 | Administratively Dissolved |
| CTS TECHNOLOGIES, LLCEnglewood, CO · Merged | Englewood, CO | LLC | Feb 26, 1999 | Merged |
| B & T HOLDINGS, LLCHighlands-Ranch, CO · Merged | Highlands-Ranch, CO | LLC | Jun 19, 2000 | Merged |
| BOTTOMLINE FINANCE COMPANY, LLC, Dissolved November 1, 2002Highlands-Ranch, CO · Administratively Dissolved | Highlands-Ranch, CO | LLC | Jun 19, 2000 | Administratively Dissolved |
| DREAMWORKS MANAGEMENT, LLC, Dissolved November 1, 2002Highlands-Ranch, CO · Administratively Dissolved | Highlands-Ranch, CO | LLC | Jun 19, 2000 | Administratively Dissolved |
| JACK R. LUELLEN, P.C., Dissolved August 30, 2001Highlands-Ranch, CO · Voluntarily Dissolved | Highlands-Ranch, CO | Corporation | Aug 30, 2000 | Voluntarily Dissolved |
| PIEZO CONSULTING, LLC, Dissolved April 17, 2003Denver, CO · Administratively Dissolved | Denver, CO | LLC | Oct 31, 2000 | Administratively Dissolved |
| BERGERON PIEZO DEVELOPMENT, LLC, Dissolved May 1, 2003Aurora, CO · Administratively Dissolved | Aurora, CO | LLC | Dec 18, 2000 | Administratively Dissolved |
| Speth Drilling, Inc., Delinquent August 1, 2012Denver, CO · Delinquent | Denver, CO | Corporation | Feb 7, 2006 | Delinquent |
| Vanterra Energy, Inc., Delinquent July 1, 2017Denver, CO · Delinquent | Denver, CO | Corporation | Feb 8, 2006 | Delinquent |
| R2007A, LLC, Dissolved May 24, 2011Westminster, CO · Voluntarily Dissolved | Westminster, CO | LLC | May 31, 2007 | Voluntarily Dissolved |
| AMERICAN SHIELD VENTURES, LLC, Delinquent December 1, 2012Denver, CO · Delinquent | Denver, CO | LLC | Jul 9, 2007 | Delinquent |
| Bristar Containment Industries (USA), Inc., Delinquent January 1, 2024Denver, CO · Delinquent | Denver, CO | Corporation | Sep 18, 2007 | Delinquent |
| SoftRock Holdings, Inc., Delinquent March 1, 2016Denver, CO · Delinquent | Denver, CO | Corporation | Oct 2, 2007 | Delinquent |
| Hurst Resources LLC, Delinquent February 1, 2015Centennial, CO · Delinquent | Centennial, CO | LLC | Sep 2, 2008 | Delinquent |
| DiNardo Companies, LLC, Dissolved November 24, 2014Aurora, CO · Voluntarily Dissolved | Aurora, CO | LLC | Sep 25, 2008 | Voluntarily Dissolved |
| Enviro Vault USA Ltd., Dissolved November 8, 2013Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Jul 9, 2010 | Voluntarily Dissolved |
| Cedar Valley Petroleum, Inc., Delinquent March 1, 2016Denver, CO · Delinquent | Denver, CO | Corporation | Oct 8, 2010 | Delinquent |
| Taconic Energy Partners , LLC, Delinquent January 1, 2018Denver, CO · Delinquent | Denver, CO | LLC | Aug 2, 2016 | Delinquent |