| UNIVERSITY CORPORATION FOR ATMOSPHERIC RESEARCHBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Apr 12, 1946 | Good Standing |
| THE COLORADO HUNTER AND JUMPER ASSOCIATIONBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Sep 3, 1963 | Good Standing |
| CLARK ALUMINUM PRODUCTS, INC., Dissolved March 1, 1999Boulder, CO · Administratively Dissolved | Boulder, CO | Corporation | May 19, 1964 | Administratively Dissolved |
| POLLARD FRIENDLY MOTOR CO., Dissolved December 31, 2022Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Nov 27, 1964 | Voluntarily Dissolved |
| CALICO, INC., Dissolved January 1, 1991Boulder, CO · Administratively Dissolved | Boulder, CO | Corporation | Jan 5, 1965 | Administratively Dissolved |
| BOULDER VALLEY VOLKSWAGEN COMPANY, Delinquent October 1, 2005Boulder, CO · Delinquent | Boulder, CO | Corporation | Aug 11, 1964 | Delinquent |
| VALLEY EXCAVATING, INC., Delinquent January 1, 2015Boulder, CO · Delinquent | Boulder, CO | Corporation | Mar 2, 1966 | Delinquent |
| BENEVOLENT AND PROTECTIVE ORDER OF ELKS OF THE UNITED STATES OF AMERICA , BOULDER LODGE, NO. 566Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Mar 7, 1966 | Good Standing |
| BOULDER COUNTY ARTS ALLIANCE, INC.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | May 20, 1966 | Good Standing |
| MODERN SPECIALISTS, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Feb 2, 1967 | Good Standing |
| VALLEYLAB INCBoulder, CO · Merged | Boulder, CO | Corporation | Jun 21, 1967 | Merged |
| HEATHERWOOD, INC.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Feb 19, 1968 | Good Standing |
| Harvest Church of Boulder Colorado, Inc.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Feb 21, 1968 | Good Standing |
| NOR-MAR, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | May 17, 1968 | Good Standing |
| COLORADO Y-L'S. INC., Delinquent May 1, 2011Boulder, CO · Delinquent | Boulder, CO | Nonprofit | May 29, 1968 | Delinquent |
| FOWLER REAL ESTATE AND INSURANCE, INC., Delinquent April 1, 2017Boulder 80301, CO · Delinquent | Boulder 80301, CO | Corporation | Nov 29, 1968 | Delinquent |
| BOULDER POTTERS' GUILDBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Jul 31, 1969 | Good Standing |
| MEALS ON WHEELS OF BOULDER, INC.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Sep 17, 1969 | Good Standing |
| HIGH YIELD MANAGEMENT, INC., Dissolved December 21, 2012Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Sep 30, 1969 | Voluntarily Dissolved |
| HARLEY KEETER JR. TRUCKING, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Dec 31, 1969 | Good Standing |
| HUTCHINSON BUILDING CORPORATION, Dissolved November 19, 2002Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Mar 8, 1951 | Voluntarily Dissolved |
| TAGGART & ASSOCIATES, INC.Boulder, CO · Merged | Boulder, CO | Corporation | Sep 29, 1965 | Merged |
| SECOND FLINTLOCK HOMES ASSOCIATIONBoulder, CO · Good Standing | Boulder, CO | Nonprofit | May 18, 1970 | Good Standing |
| PALADIN ENTERPRISES, INC., Dissolved March 31, 2019Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Sep 24, 1965 | Voluntarily Dissolved |
| BIO-FEEDBACK SYSTEMS, INC., Dissolved January 6, 2025Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Dec 16, 1970 | Voluntarily Dissolved |
| Abbie's Vet, Inc., Dissolved November 27, 2017Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Dec 31, 1970 | Voluntarily Dissolved |
| TEST ANALYSIS AND DEVELOPMENT CORPORATION, Dissolved December 31, 2014Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Jan 27, 1971 | Voluntarily Dissolved |
| FLOW TEK, INC.Boulder, CO · Delinquent | Boulder, CO | Corporation | Feb 1, 1971 | Delinquent |
| MEYERS HEATING & AIR CONDITIONING, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Sep 30, 1963 | Good Standing |
| WYATT CONSTRUCTION CO., INC., Dissolved July 11, 2025Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Jul 19, 1971 | Voluntarily Dissolved |
| EDUCATIONAL RESOURCES CENTER, INC., Dissolved December 16, 1999Boulder, CO · Voluntarily Dissolved | Boulder, CO | Nonprofit | Aug 13, 1971 | Voluntarily Dissolved |
| RENTAL CITY, INC.Boulder, CO · Merged | Boulder, CO | Corporation | Oct 6, 1971 | Merged |
| COUNTRYSIDE MANAGEMENT CORPORATION, Dissolved April 11, 2003Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Dec 6, 1968 | Voluntarily Dissolved |
| HAMILTON - SHEPHERD, INC., Delinquent February 1, 2008Boulder, CO · Delinquent | Boulder, CO | Corporation | Aug 2, 1957 | Delinquent |
| MONTEZUMA INVESTMENT COMPANY, Dissolved January 1, 2004Durango, CO · Administratively Dissolved | Durango, CO | Corporation | Mar 2, 1972 | Administratively Dissolved |
| R. G. ENTERPRISES, INC., Delinquent May 1, 2009Boulder, CO · Delinquent | Boulder, CO | Corporation | Apr 4, 1972 | Delinquent |
| KIWANIS CLUB OF NIWOT-GUNBARREL, COLORADO, Dissolved November 20, 2005Boulder, CO · Voluntarily Dissolved | Boulder, CO | Nonprofit | Apr 18, 1972 | Voluntarily Dissolved |
| THE SPIRITUAL ASSEMBLY OF THE BAHA'IS OF BOULDER, COLO.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Apr 18, 1972 | Good Standing |
| WILLOW GLEN HOMEOWNERS ASSOCIATIONBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Apr 25, 1972 | Good Standing |
| A. & A. AUTO SUPPLY, INC., Dissolved January 24, 2000Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | May 2, 1972 | Voluntarily Dissolved |
| PALMER HOUSE FLORISTS, INC., Delinquent November 1, 2015Boulder, CO · Delinquent | Boulder, CO | Corporation | Jun 5, 1972 | Delinquent |
| Architect Planners Holdings Group Inc., Delinquent July 1, 2023Boulder, CO · Delinquent | Boulder, CO | Corporation | Jun 22, 1972 | Delinquent |
| STAMMLER IMPORTS, INC., Delinquent June 1, 2014Boulder, CO · Delinquent | Boulder, CO | Corporation | Jan 8, 1973 | Delinquent |
| South Congregation of Jehovah's Witnesses, Boulder, Colorado, Inc., a Non Profit CorporationBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Feb 13, 1973 | Good Standing |
| PALO PARK TOWNHOUSE CORP.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Mar 6, 1973 | Good Standing |
| MICRO MOTION, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Apr 11, 1973 | Good Standing |
| MOUNTAIN OCEAN, LTD.Boulder, CO · Merged | Boulder, CO | Corporation | Jun 12, 1973 | Merged |
| L & R OF GRAND JUNCTION, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Jul 3, 1973 | Good Standing |
| MULTIPROP, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Jul 13, 1973 | Good Standing |
| BOULDER VALLEY WOMEN'S HEALTH CENTER INC.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Jul 30, 1973 | Good Standing |