| Old WDI, Inc., Dissolved January 10, 2024Greenwood Village, CO · Voluntarily Dissolved | Greenwood Village, CO | Corporation | Mar 9, 1972 | Voluntarily Dissolved |
| INTRATEC, INC., Dissolved July 5, 2024Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Mar 24, 1981 | Voluntarily Dissolved |
| INTRAVIA, INC., Delinquent September 1, 2006Denver, CO · Delinquent | Denver, CO | Corporation | Jul 15, 1981 | Delinquent |
| POWELL CONSULTING, INC., Dissolved December 13, 2007Highlands-Ranch, CO · Voluntarily Dissolved | Highlands-Ranch, CO | Corporation | Dec 23, 1981 | Voluntarily Dissolved |
| FUJI PETROLEUM CO., Dissolved July 20, 2012Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | May 15, 1984 | Voluntarily Dissolved |
| RESOURCE PLANNING CORPORATION, Dissolved December 12, 2018Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Jan 29, 1986 | Voluntarily Dissolved |
| THE HARPER FOUNDATION, Dissolved February 16, 2018Denver, CO · Voluntarily Dissolved | Denver, CO | Nonprofit | Dec 16, 1986 | Voluntarily Dissolved |
| PETREL ROBERTSON INC., Dissolved November 30, 2020Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Nov 20, 1987 | Voluntarily Dissolved |
| ENERGY PLANNING CORPORATION, Dissolved February 12, 2021Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Dec 2, 1987 | Voluntarily Dissolved |
| ULTRA FINE INC., Dissolved September 8, 2023Ramah, CO · Voluntarily Dissolved | Ramah, CO | Corporation | Sep 2, 1988 | Voluntarily Dissolved |
| OREGON NATURAL GAS DEVELOPMENT CORP., Colorado Authority Terminated February 16, 1999Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jun 7, 1989 | Withdrawn |
| Freeman Building Services, Inc., Delinquent May 1, 2016Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Apr 2, 1990 | Delinquent |
| TRIGON RESOURCES, INC., Dissolved March 23, 2006Lakewood, CO · Voluntarily Dissolved | Lakewood, CO | Corporation | Feb 17, 1993 | Voluntarily Dissolved |
| PERFORMANCE DRILLING SPECIALISTS, INC., Dissolved December 13, 2007Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Oct 7, 1993 | Voluntarily Dissolved |
| INTRATEC RESOURCE CO., LLC, Delinquent April 1, 2006Denver, CO · Delinquent | Denver, CO | LLC | Feb 14, 1994 | Delinquent |
| STONEWALL EQUITIES, LLC, Dissolved May 25, 2010Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | LLC | Mar 4, 1994 | Voluntarily Dissolved |
| TRIGON SOFTWARE LLC, Dissolved May 25, 2006Lakewood, CO · Voluntarily Dissolved | Lakewood, CO | LLC | Jul 27, 1994 | Voluntarily Dissolved |
| TRIGON INTERNATIONAL, LTD., Dissolved October 16, 2007Lakewood, CO · Voluntarily Dissolved | Lakewood, CO | Corporation | Feb 1, 1995 | Voluntarily Dissolved |
| SKIPPY OIL, LLC, Dissolved January 1, 2001Denver, CO · Administratively Dissolved | Denver, CO | LLC | Apr 21, 1995 | Administratively Dissolved |
| MEDIA OPTIONS, LLC, Dissolved January 31, 2005Location not reported, CO · Administratively Dissolved | Location not reported, CO | LLC | Aug 1, 1995 | Administratively Dissolved |
| PRIME AGGREGATES, LLP, Withdrawn November 16, 2007Golden, CO · Withdrawn | Golden, CO | Other | Sep 6, 1996 | Withdrawn |
| NNG FINANCIAL CORPORATION, Colorado Authority Terminated December 6, 2004Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Oct 7, 1997 | Withdrawn |
| XTEPC, LLC, Dissolved February 14, 2013Durango, CO · Voluntarily Dissolved | Durango, CO | LLC | Oct 10, 1997 | Voluntarily Dissolved |
| PERFORMANCE DRILLING, INC., Dissolved December 13, 2007Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Jan 22, 1999 | Voluntarily Dissolved |
| TRIGON COMMUNICATIONS, LLC, Dissolved October 16, 2007Lakewood, CO · Voluntarily Dissolved | Lakewood, CO | LLC | Oct 5, 1999 | Voluntarily Dissolved |
| EXCEL PROPERTY ASSOCIATES, LLC, Dissolved November 28, 2000Denver, CO · Voluntarily Dissolved | Denver, CO | LLC | Oct 26, 1999 | Voluntarily Dissolved |
| REAL CLOTHES, INC., Dissolved September 6, 2023Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Aug 9, 2001 | Voluntarily Dissolved |
| RYCKMAN, INC., Delinquent August 1, 2022Denver, CO · Delinquent | Denver, CO | Corporation | Mar 13, 2002 | Delinquent |
| TRIGON WATER PARTNERS LLC, Dissolved May 6, 2008Denver, CO · Voluntarily Dissolved | Denver, CO | LLC | Jun 20, 2002 | Voluntarily Dissolved |
| NEXT LEVEL SPORTS PERFORMANCE & PHYSICAL THERAPY LLC, Delinquent May 1, 2007Golden, CO · Delinquent | Golden, CO | LLC | Nov 7, 2003 | Delinquent |
| MidRock Energy LLC, Dissolved January 27, 2009Evergreen, CO · Voluntarily Dissolved | Evergreen, CO | LLC | May 18, 2007 | Voluntarily Dissolved |
| MARCA Corporation, Dissolved May 24, 2011Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Mar 6, 2009 | Voluntarily Dissolved |
| Santi Wasesa LLC, Dissolved March 24, 2021Denver, CO · Voluntarily Dissolved | Denver, CO | LLC | Jan 23, 2012 | Voluntarily Dissolved |
| A+M Plus, LLC, Dissolved December 8, 2017Denver, CO · Voluntarily Dissolved | Denver, CO | LLC | Oct 18, 2013 | Voluntarily Dissolved |
| Contingency One LLC, Dissolved May 17, 2018Denver, CO · Voluntarily Dissolved | Denver, CO | LLC | Mar 27, 2017 | Voluntarily Dissolved |
| Fortress Ltd, Delinquent July 1, 2021Greeley, CO · Delinquent | Greeley, CO | LLC | Feb 14, 2020 | Delinquent |
| Fortress Services, LLC, Delinquent July 1, 2021Greeley, CO · Delinquent | Greeley, CO | LLC | Feb 14, 2020 | Delinquent |