| DEK ENERGY COMPANY, Colorado Authority Relinquished October 13, 2017Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | May 6, 1963 | Withdrawn |
| HAMILTON BROTHERS EXPLORATION COMPANY, Colorado Authority Terminated October 13, 2000Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Nov 30, 1971 | Withdrawn |
| BHP PETROLEUM (AMERICAS) INC., Colorado Authority Terminated October 13, 2000Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Sep 10, 1969 | Withdrawn |
| HAMILTON BROTHERS PETROLEUM CORPORATION, Colorado Authority Terminated October 13, 2000Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Feb 27, 1976 | Withdrawn |
| HAMILTON BROTHERS CORPORATION, Colorado Authority Terminated October 13, 2000Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Sep 28, 1976 | Withdrawn |
| ATOS ORIGIN IT SERVICES INC, Colorado Authority Relinquished January 4, 2007Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Nov 5, 1976 | Withdrawn |
| M C O PROPERTIES INC., Colorado Authority Relinquished April 30, 2019Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Nov 17, 1977 | Withdrawn |
| BECON CONSTRUCTION COMPANY, INC., Colorado Authority Relinquished January 11, 2018Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jul 10, 1978 | Withdrawn |
| THE NORWEGIAN OIL CORPORATION (DNO-U.S.), Colorado Authority Terminated October 13, 2000Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Sep 1, 1978 | Withdrawn |
| KATINKA MINING CORPORATIONLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Aug 25, 1971 | Good Standing |
| BRODIE EXPLORATION CORP., Delinquent July 1, 2011Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Mar 26, 1974 | Delinquent |
| AMERICAN RESIDENTIAL SERVICES OF COLORADO, INC.Location not reported, CO · Merged | Location not reported, CO | Corporation | Aug 11, 1978 | Merged |
| FRONTIER RESOURCES, INC., Colorado Authority Terminated December 2, 2004Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jan 15, 1980 | Withdrawn |
| PHILIP SERVICES/SOUTH CENTRAL, INC.Location not reported, CO · Merged | Location not reported, CO | Corporation | Feb 14, 1980 | Merged |
| LANGHAM PETROLEUM EXPLORATION CORP., Colorado Authority Terminated October 1, 2000Location not reported, CO · Revoked | Location not reported, CO | Corporation | Apr 22, 1980 | Revoked |
| HINES COLORADO CORPORATION, Colorado Authority Relinquished December 12, 2019Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jan 29, 1981 | Withdrawn |
| MARATHON INTERNATIONAL OIL COMPANY, Colorado Authority Terminated February 25, 2002Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Nov 29, 1983 | Withdrawn |
| DUKE ENERGY MERCHANTS CALIFORNIA, INC., Dissolved October 1, 2002Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Mar 14, 1984 | Voluntarily Dissolved |
| HAMILTON OIL (BUNYU) CORPORATIONLocation not reported, CO · Merged | Location not reported, CO | Corporation | Jan 10, 1985 | Merged |
| GCSTC, INC.Location not reported, CO · Merged | Location not reported, CO | Corporation | May 1, 1985 | Merged |
| HAMILTON OIL (INTERNATIONAL) CORPORATIONLocation not reported, CO · Merged | Location not reported, CO | Corporation | May 24, 1985 | Merged |
| DUKE ENERGY NATURAL GAS CORPORATION, Colorado Authority Relinquished April 11, 2008Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Dec 17, 1985 | Withdrawn |
| EDDISON, LTD., Delinquent March 1, 2006Location not reported, CO · Delinquent | Location not reported, CO | Partnership | Jan 2, 1986 | Delinquent |
| UTILITY GRAPHICS CONSULTANTS CORPORATIONLocation not reported, CO · Merged | Location not reported, CO | Corporation | Feb 20, 1986 | Merged |
| DUKE ENERGY SOUTHWEST OZONA PLANT, LLC, Colorado Authority Terminated October 1, 2000Location not reported, CO · Revoked | Location not reported, CO | LLC | Apr 17, 1986 | Revoked |
| ERHC Energy Inc.Location not reported, CO · Delinquent | Location not reported, CO | Corporation | May 12, 1986 | Delinquent |
| DAVIS PETROLEUM CORP., Delinquent December 1, 2017Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Jul 24, 1986 | Delinquent |
| HAMILTON OIL INTERNATIONAL OFFSHORE, INC.Location not reported, CO · Merged | Location not reported, CO | Corporation | Feb 27, 1987 | Merged |
| UCROSS LAND COMPANY, Colorado Authority Relinquished December 30, 2009Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Mar 27, 1987 | Withdrawn |
| APACHE TRANSMISSION CORPORATION--TEXAS, Colorado Authority Relinquished December 13, 2013Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Apr 15, 1987 | Withdrawn |
| APACHE NORTH AMERICA, INC., Colorado Authority Relinquished March 11, 2015Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Sep 1, 1987 | Withdrawn |
| FRANCESCA REAL ESTATE CORPORATION, Dissolved July 1, 2000Location not reported, CO · Administratively Dissolved | Location not reported, CO | Corporation | Sep 30, 1987 | Administratively Dissolved |
| TCC CONSOLIDATED, INC., Dissolved September 1, 2002Location not reported, CO · Administratively Dissolved | Location not reported, CO | Corporation | Nov 12, 1987 | Administratively Dissolved |
| APACHE INTERNATIONAL, INC., Colorado Authority Relinquished June 22, 2006Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Dec 4, 1987 | Withdrawn |
| WINDCLIFF VILLAGE, INC., Dissolved December 31, 2021Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Jan 21, 1988 | Voluntarily Dissolved |
| NV5 GEOSPATIAL, INC.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Aug 29, 1988 | Good Standing |
| PETRO SOURCE PARTNERS, LTD., Colorado Authority Terminated January 26, 2001Location not reported, CO · Withdrawn | Location not reported, CO | Partnership | Aug 29, 1988 | Withdrawn |
| LYONDELL CHEMICAL COMPANYLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Sep 28, 1988 | Good Standing |
| VTM ELEVATOR COMPANY, Colorado Authority Terminated May 3, 1990Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Oct 20, 1988 | Withdrawn |
| EQUITABLE RESOURCES ENERGY COMPANY, Colorado Authority Terminated December 28, 1998Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jan 4, 1989 | Withdrawn |
| NAGASCO, INC., Colorado Authority Relinquished October 30, 2008Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Mar 31, 1989 | Withdrawn |
| BHP PETROLEUM (EQUATORIAL GUINEA) CORPORATIONLocation not reported, CO · Merged | Location not reported, CO | Corporation | Feb 2, 1990 | Merged |
| GIS RESEARCH CORPORATIONLocation not reported, CO · Merged | Location not reported, CO | Corporation | Feb 6, 1990 | Merged |
| CBRE Capital Markets, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Mar 22, 1990 | Good Standing |
| TD ROWE AMUSEMENTS, INC., Colorado Authority Terminated April 3, 2004Location not reported, CO · Revoked | Location not reported, CO | Corporation | Oct 30, 1990 | Revoked |
| SPORRAN COLORADO ACE, INC.Location not reported, CO · Merged | Location not reported, CO | Corporation | Jan 4, 1991 | Merged |
| BHP PETROLEUM (ALBANIA) CORPORATIONLocation not reported, CO · Merged | Location not reported, CO | Corporation | May 6, 1991 | Merged |
| FIRST FEDERAL COMMERCIAL INC., Dissolved February 27, 2013Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Jun 10, 1991 | Voluntarily Dissolved |
| M&T Equipment Finance CorporationLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Jun 14, 1991 | Good Standing |
| HAMILTON OIL COMPANY INC., Colorado Authority Terminated October 13, 2000Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jul 10, 1991 | Withdrawn |