| Tutor Perini Building Corp.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Mar 19, 1979 | Good Standing |
| TRC ENVIRONMENTAL CORPORATIONLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Apr 6, 1979 | Good Standing |
| PROTECTIVE LIFE AND ANNUITY INSURANCE COMPANYLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Apr 16, 1979 | Good Standing |
| PREPAID LEGAL SERVICES, INC. OF OKLAHOMALocation not reported, CO · Good Standing | Location not reported, CO | Corporation | May 7, 1979 | Good Standing |
| Velux America LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | May 17, 1979 | Good Standing |
| ECOLOGY AND ENVIRONMENT, INC., Colorado Authority Relinquished November 4, 2020Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jun 18, 1979 | Withdrawn |
| vRide, Inc., Colorado Authority Relinquished May 17, 2023Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jul 6, 1979 | Withdrawn |
| QUALITY CARRIERS, INC.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Jul 11, 1979 | Good Standing |
| HERZOG CONTRACTING CORP.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Jul 27, 1979 | Good Standing |
| SCHENKER, INC.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Aug 20, 1979 | Good Standing |
| INDIVIDUAL ASSURANCE COMPANY, LIFE, HEALTH & ACCIDENTLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Aug 22, 1979 | Good Standing |
| FIRST HEALTH LIFE & HEALTH INSURANCE COMPANYLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Oct 26, 1979 | Good Standing |
| CHARLES SARGENT IRRIGATION, INC.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Nov 13, 1979 | Good Standing |
| HUMANA INSURANCE COMPANYLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Nov 29, 1979 | Good Standing |
| STOEVER, GLASS & CO., INC, Delinquent April 1, 2022Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Nov 30, 1979 | Delinquent |
| CIGNA Health and Life Insurance CompanyLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Dec 14, 1979 | Good Standing |
| Safe Driver Motor Club, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Dec 17, 1979 | Good Standing |
| AURORA NATIONAL LIFE ASSURANCE COMPANYLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Dec 21, 1979 | Good Standing |
| PartnerRe Life Reinsurance Company of AmericaLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Dec 28, 1979 | Good Standing |
| AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTSLocation not reported, CO · Good Standing | Location not reported, CO | Nonprofit | Apr 23, 1924 | Good Standing |
| CENTURYTEL OF EAGLE, INC.Denver, CO · Good Standing | Denver, CO | Corporation | Aug 29, 1928 | Good Standing |
| COLORADO CLAY AND MINING COMPANY, Delinquent July 1, 2025Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Feb 28, 1929 | Delinquent |
| THRIVENT FINANCIAL FOR LUTHERANSLocation not reported, CO · Good Standing | Location not reported, CO | Nonprofit | Oct 27, 1922 | Good Standing |
| Anheuser-Busch, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Jul 3, 1925 | Good Standing |
| AMERICAN NATIONAL INSURANCE COMPANYLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Sep 27, 1926 | Good Standing |
| THE LECLAIR CONSOLIDATED MINES COMPANYDenver, CO · Good Standing | Denver, CO | Corporation | Oct 15, 1929 | Good Standing |
| ALLSTATE INSURANCE COMPANYLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Oct 2, 1934 | Good Standing |
| L.C. FULENWIDER, INC.Denver, CO · Good Standing | Denver, CO | Corporation | Aug 4, 1930 | Good Standing |
| Monterey Newspapers, LLCDenver, CO · Good Standing | Denver, CO | LLC | Jul 7, 1931 | Good Standing |
| BROADMOOR HOTEL, INC.Denver, CO · Good Standing | Denver, CO | Corporation | Dec 3, 1932 | Good Standing |
| HARTFORD ACCIDENT AND INDEMNITY COMPANYLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Oct 19, 1914 | Good Standing |
| Synergy Management, Inc., Dissolved September 12, 2023Denver, CO · Voluntarily Dissolved | Denver, CO | Corporation | Apr 19, 1935 | Voluntarily Dissolved |
| THE HUERFANO-CUCHARAS IRRIGATION COMPANYDenver, CO · Good Standing | Denver, CO | Nonprofit | Feb 17, 1944 | Good Standing |
| RIO GRANDE LAND COMPANYLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | May 18, 1946 | Good Standing |
| YAMPA VALLEY MEDICAL CENTERSteamboat Springs, CO · Good Standing | Steamboat Springs, CO | Nonprofit | Oct 7, 1946 | Good Standing |
| POLO CLUB PLACE HOME OWNERS ASSOCIATIONEnglewood, CO · Good Standing | Englewood, CO | Nonprofit | Dec 30, 1946 | Good Standing |
| BUILDERS FIRSTSOURCE - COLORADO GROUP, LLC.Location not reported, CO · Converted | Location not reported, CO | LLC | Feb 3, 1948 | Converted |
| UFG Specialty Insurance CompanyLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Mar 29, 1948 | Good Standing |
| MISSOURI IMPROVEMENT COMPANYLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Dec 4, 1934 | Good Standing |
| TRI-STATE GENERATION AND TRANSMISSION ASSOCIATION, INC.Westminster, CO · Good Standing | Westminster, CO | Other | May 19, 1952 | Good Standing |
| GREELEY-EVANS LODGE NO. 909, LOYAL ORDER OF MOOSE, INCORPORATEDEvans, CO · Good Standing | Evans, CO | Nonprofit | Oct 26, 1953 | Good Standing |
| CAMPBELLS C-MENT CONTRACTING, INC.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | May 31, 1955 | Good Standing |
| LONGMONT LODGE NO. 1548, LOYAL ORDER OF MOOSE, INCORPORATEDLongmont, CO · Good Standing | Longmont, CO | Nonprofit | Feb 14, 1956 | Good Standing |
| KEJR FOUNDATION, INC.Location not reported, CO · Good Standing | Location not reported, CO | Nonprofit | Jun 16, 1959 | Good Standing |
| A. G. PROCTOR COMPANY, INC., Dissolved December 31, 2020Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Nov 22, 1961 | Voluntarily Dissolved |
| ALBERT FREI & SONS, INC.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Jun 26, 1962 | Good Standing |
| Allient Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Aug 20, 1962 | Good Standing |
| MILAM OIL CORPORATIONLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Jul 26, 1963 | Good Standing |
| ALPINE LUMBER COMPANYLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Oct 30, 1963 | Good Standing |
| Orval Wood, LLCLocation not reported, CO · Delinquent | Location not reported, CO | LLC | Jan 24, 1964 | Delinquent |