| PETRODYNE PRODUCTION COMPANY, INC.Denver, CO · Merged | Denver, CO | Corporation | Sep 3, 1980 | Merged |
| Dal-Tex Petroleum, Inc.Denver, CO · Merged | Denver, CO | Corporation | Apr 10, 1981 | Merged |
| AMERICAN LEGION AUXILIARY, DEPARTMENT OF COLORADODenver, CO · Good Standing | Denver, CO | Nonprofit | Apr 22, 1939 | Good Standing |
| THE LAFF FOUNDATION, INC.Denver, CO · Good Standing | Denver, CO | Nonprofit | Dec 26, 1944 | Good Standing |
| ROCKY MOUNTAIN CHAPTER, NATIONAL ELECTRICAL CONTRACTORSASSOCIATIONDenver, CO · Good Standing | Denver, CO | Nonprofit | Nov 20, 1945 | Good Standing |
| THE KORTZ FOUNDATIONDenver, CO · Good Standing | Denver, CO | Nonprofit | Dec 22, 1945 | Good Standing |
| Ability Connection Colorado, Inc.Denver, CO · Good Standing | Denver, CO | Nonprofit | Jun 9, 1952 | Good Standing |
| DENVER MEDICAL SOCIETYDenver, CO · Good Standing | Denver, CO | Nonprofit | Feb 3, 1908 | Good Standing |
| FOURTH & MAIN CO.Denver, CO · Good Standing | Denver, CO | Corporation | Jan 2, 1894 | Good Standing |
| COLORADO MEDICAL SOCIETYDenver, CO · Good Standing | Denver, CO | Nonprofit | Nov 1, 1888 | Good Standing |
| I.T. Enterprises, Inc.Denver, CO · Good Standing | Denver, CO | Corporation | Jan 4, 1963 | Good Standing |
| BUSINESS INTERIORS INC., Dissolved December 8, 2008Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Jun 5, 1968 | Voluntarily Dissolved |
| Allied Consulting Limited Liability CompanyDenver, CO · Good Standing | Denver, CO | LLC | May 14, 1969 | Good Standing |
| WMAL, Inc., Delinquent December 1, 2009Denver, CO · Delinquent | Denver, CO | Corporation | Jun 3, 1971 | Delinquent |
| UNITED ENTERPRISES, INC.Denver, CO · Good Standing | Denver, CO | Corporation | Sep 20, 1971 | Good Standing |
| BELLE BONFILS MEMORIAL BLOOD CENTERDenver, CO · Merged | Denver, CO | Nonprofit | Dec 5, 1945 | Merged |
| PLUSS CATTLE COMPANY, Delinquent May 1, 2024Denver, CO · Delinquent | Denver, CO | Corporation | Dec 29, 1972 | Delinquent |
| ALTERNATIVES IN RELIGIOUS EDUCATION INCORPORATED, Dissolved January 9, 2007Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Sep 7, 1973 | Voluntarily Dissolved |
| ROCKY MOUNTAIN PARALEGAL ASSOCIATION, INC.Denver, CO · Good Standing | Denver, CO | Nonprofit | Oct 2, 1973 | Good Standing |
| TOBIN DRUG STORES, INC., Delinquent April 1, 2018Denver, CO · Delinquent | Denver, CO | Corporation | Jan 21, 1974 | Delinquent |
| COLORADO OPHTHALMOLOGICAL SOCIETYDenver, CO · Good Standing | Denver, CO | Nonprofit | Feb 20, 1975 | Good Standing |
| RMES COMMUNICATIONS, INC.Denver, CO · Good Standing | Denver, CO | Corporation | Jan 23, 1976 | Good Standing |
| McIntosh Investments, P.C., Delinquent October 1, 2021Denver, CO · Delinquent | Denver, CO | Corporation | Apr 23, 1976 | Delinquent |
| DENVER ARTHRITIS CLINIC, P.C.Denver, CO · Good Standing | Denver, CO | Corporation | Sep 17, 1976 | Good Standing |
| SENIORS!, INC., Dissolved December 23, 2025Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Oct 8, 1969 | Voluntarily Dissolved |
| NATIONAL PRINTING AND PACKAGING COMPANY, Dissolved December 1, 2009Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | May 12, 1977 | Voluntarily Dissolved |
| COLORADO ALLERGY AND ASTHMA CENTERS, P.C.Denver, CO · Good Standing | Denver, CO | Corporation | Jul 1, 1977 | Good Standing |
| HOSPICE OF METRO DENVER, INC.Denver, CO · Good Standing | Denver, CO | Nonprofit | Jul 28, 1977 | Good Standing |
| International School of Denver, Inc.Denver, CO · Good Standing | Denver, CO | Nonprofit | May 2, 1978 | Good Standing |
| RESOURCE TECHNOLOGY CORPORATION, Dissolved December 31, 2024Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | May 23, 1978 | Voluntarily Dissolved |
| THE TRAINING COMPANY OF COLORADO, INC., Dissolved March 18, 2023Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Oct 20, 1978 | Voluntarily Dissolved |
| LABORATORIES AT BONFILS TRANSPLANT LABORATORY, INC., Dissolved June 1, 2011Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Jan 24, 1979 | Voluntarily Dissolved |
| NORMAN J. GRAY & ASSOCIATES, INC., Dissolved June 16, 2017Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Apr 16, 1979 | Voluntarily Dissolved |
| MONTCLAIR ACADEMYDenver, CO · Merged | Denver, CO | Nonprofit | Jan 7, 1981 | Merged |
| MIKLIN CORPORATIONDenver, CO · Good Standing | Denver, CO | Corporation | Jan 8, 1981 | Good Standing |
| NCSL FOUNDATION FOR STATE LEGISLATURESDenver, CO · Good Standing | Denver, CO | Nonprofit | Feb 17, 1982 | Good Standing |
| UNIVERSITY PARK, LTD., Dissolved October 17, 2017Denver, CO · Voluntarily Dissolved | Denver, CO | Partnership | Jul 2, 1982 | Voluntarily Dissolved |
| NEWCOMB WEIDNER, INC., Dissolved October 15, 2009Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Jul 6, 1982 | Voluntarily Dissolved |
| Denver Medical Society FoundationDenver, CO · Good Standing | Denver, CO | Nonprofit | Aug 13, 1982 | Good Standing |
| Wings Over The Rockies Air & Space MuseumDenver, CO · Good Standing | Denver, CO | Nonprofit | Sep 24, 1982 | Good Standing |
| GREENWOOD PLAZA SQUIRE, INC.Denver, CO · Good Standing | Denver, CO | Corporation | Feb 18, 1983 | Good Standing |
| COPIC INSURANCE AGENCY, INC.Denver, CO · Good Standing | Denver, CO | Corporation | Nov 18, 1983 | Good Standing |
| CMS EDUCATION FOUNDATIONDenver, CO · Good Standing | Denver, CO | Nonprofit | Nov 18, 1983 | Good Standing |
| FREEDMAN OIL & GAS COMPANYDenver, CO · Good Standing | Denver, CO | Corporation | Jan 3, 1984 | Good Standing |
| STANLEY BRITISH PRIMARY SCHOOLDenver, CO · Good Standing | Denver, CO | Nonprofit | Mar 8, 1984 | Good Standing |
| COPIC INSURANCE COMPANYDenver, CO · Good Standing | Denver, CO | Corporation | Apr 11, 1984 | Good Standing |
| LOOKING GOOD OPTICAL INC.Denver, CO · Good Standing | Denver, CO | Corporation | Jun 29, 1984 | Good Standing |
| PLAINS FEEDERS, INC., Dissolved January 4, 2016Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Oct 2, 1984 | Voluntarily Dissolved |
| COLORADO AUTOBODY, INC.Denver, CO · Good Standing | Denver, CO | Corporation | Oct 23, 1984 | Good Standing |
| HISTORICAL OPERA HOUSE PROPERTIES, LTD., Dissolved October 12, 2017Denver, CO · Voluntarily Dissolved | Denver, CO | Partnership | Nov 7, 1984 | Voluntarily Dissolved |