| FIRST NATIONAL BANK OF COLORADOBoulder, CO · Converted | Boulder, CO | Corporation | Sep 24, 1973 | Converted |
| HUDGEL'S, INC., Delinquent April 1, 2020Boulder, CO · Delinquent | Boulder, CO | Corporation | Nov 28, 1973 | Delinquent |
| FRED'S PROPANE SERVICE, INC., Delinquent July 1, 2018Boulder, CO · Delinquent | Boulder, CO | Corporation | Feb 28, 1974 | Delinquent |
| T C M INC.Boulder, CO · Merged | Boulder, CO | Corporation | Mar 27, 1974 | Merged |
| J.A.D., INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Apr 12, 1974 | Good Standing |
| TRANSFINANCIAL CORPORATION, Dissolved December 31, 2023Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Apr 26, 1974 | Voluntarily Dissolved |
| D. E. H. COOKE CONSTRUCTION, INC., Dissolved October 8, 2003Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Jun 28, 1974 | Voluntarily Dissolved |
| CPS INTERMOUNTAIN, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Jul 3, 1974 | Good Standing |
| J CORPORATION, Dissolved December 2, 1999Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Aug 26, 1974 | Voluntarily Dissolved |
| Boulder County Regional Fire Training Centers, Inc.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Oct 17, 1974 | Good Standing |
| COLORADO ADERA INCORPORATED, Dissolved August 11, 2014Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Oct 23, 1974 | Voluntarily Dissolved |
| CONTINENTAL GRAPHICS OF BOULDER, INC., Delinquent November 1, 2009Boulder, CO · Delinquent | Boulder, CO | Corporation | Nov 14, 1974 | Delinquent |
| GEBHARDT MOTORS, INC., Dissolved August 20, 1999Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Apr 15, 1975 | Voluntarily Dissolved |
| BOULDER COMMUNITY BROADCAST ASSOCIATION, INCORPORATEDBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Jun 10, 1975 | Good Standing |
| BOWRON BUILDERS, INC., Delinquent November 1, 2008Boulder, CO · Delinquent | Boulder, CO | Corporation | May 17, 1962 | Delinquent |
| CONCEPT RESTAURANTS, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Jul 23, 1975 | Good Standing |
| PARK LAKE HOMEOWNERS ASSOCIATIONBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Sep 4, 1975 | Good Standing |
| DALE C. WINGELETH, PH.D., INC., Delinquent March 1, 2009Boulder, CO · Delinquent | Boulder, CO | Corporation | Sep 8, 1975 | Delinquent |
| BOULDER ELECTRIC MOTOR CO., Dissolved August 31, 2016Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Oct 7, 1975 | Voluntarily Dissolved |
| FLATIRON POSTCARD CO., Dissolved August 1, 2003Boulder, CO · Administratively Dissolved | Boulder, CO | Corporation | Oct 28, 1975 | Administratively Dissolved |
| GOLDEN BUFF MOTEL, INC., Delinquent November 1, 2017Boulder, CO · Delinquent | Boulder, CO | Corporation | Nov 17, 1975 | Delinquent |
| Boulder Centre for Orthopedics, P.C.Boulder, CO · Good Standing | Boulder, CO | Corporation | Oct 1, 1971 | Good Standing |
| EZA, P.C.Boulder, CO · Merged | Boulder, CO | Corporation | Mar 20, 1973 | Merged |
| FLESSNER TRACTOR SALES, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Feb 13, 1976 | Good Standing |
| WRIGHT-KINGDOM, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Mar 30, 1976 | Good Standing |
| JANE EVANS CORNELIUS, C.P.A., P.C.Boulder, CO · Good Standing | Boulder, CO | Corporation | Apr 30, 1976 | Good Standing |
| TOP HAT JANITORIAL SUPPLY, INC., Dissolved April 25, 2026Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | May 6, 1976 | Voluntarily Dissolved |
| ECO-CYCLE INC.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Jul 1, 1976 | Good Standing |
| MOUNTAIN SHADOWS MONTESSORI SCHOOLBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Jul 20, 1976 | Good Standing |
| BOULDER PARKS AND RECREATION FOUNDATIONBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Sep 17, 1976 | Good Standing |
| CENTRE PRODUCTIONS, INC., Dissolved May 1, 2001Boulder, CO · Administratively Dissolved | Boulder, CO | Corporation | Sep 29, 1976 | Administratively Dissolved |
| PROFESSIONAL ASSOCIATION FOR COMPREHENSIVE EVALUATION AND, Delinquent March 1, 2006Boulder, CO · Delinquent | Boulder, CO | Nonprofit | Oct 28, 1976 | Delinquent |
| NATIONAL CENTER FOR HIGHER EDUCATION MANAGEMENT SYSTEMSBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Nov 10, 1976 | Good Standing |
| HAYDEN PLACE OWNERS ASSOCIATION, Delinquent September 1, 2016Boulder, CO · Delinquent | Boulder, CO | Nonprofit | Nov 19, 1976 | Delinquent |
| SCHACHT SPINDLE COMPANY, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Dec 23, 1976 | Good Standing |
| COLUTRON RESEARCH CORPORATION, Dissolved March 22, 2014Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Feb 25, 1977 | Voluntarily Dissolved |
| NATIONAL POLICY ANALYSIS CENTERBoulder, CO · Delinquent | Boulder, CO | Nonprofit | Feb 25, 1977 | Delinquent |
| FRONT RANGE MARKETING, INC., Delinquent August 1, 2015Boulder, CO · Delinquent | Boulder, CO | Corporation | Mar 31, 1977 | Delinquent |
| FR DEVELOPMENT, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Apr 13, 1977 | Good Standing |
| ANTERO ENTERPRISES, INC., Dissolved May 17, 2011Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | May 11, 1977 | Voluntarily Dissolved |
| THE CENTER FOR PEOPLE WITH DISABILITIESBoulder, CO · Good Standing | Boulder, CO | Nonprofit | May 13, 1977 | Good Standing |
| CHIPSEA, INCORPORATED, Delinquent November 1, 2006Boulder, CO · Delinquent | Boulder, CO | Corporation | Sep 19, 1977 | Delinquent |
| ROBERT A. HANNAGAN, D.D.S., PROFESSIONAL CORPORATION, Dissolved August 25, 2015Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Sep 29, 1977 | Voluntarily Dissolved |
| BECKER - DOWNEY, INC., Dissolved July 6, 2001Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Oct 3, 1977 | Voluntarily Dissolved |
| ISR HOLDINGS, INC., Dissolved December 19, 2002Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Oct 4, 1977 | Voluntarily Dissolved |
| DBC CORPORATION, Delinquent September 1, 2008Boulder, CO · Delinquent | Boulder, CO | Corporation | Oct 27, 1977 | Delinquent |
| BRYNWYCK CONDOMINIUM ASSOCIATIONBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Nov 7, 1977 | Good Standing |
| GASAMAT OIL CORP. OF COLORADOBoulder, CO · Good Standing | Boulder, CO | Corporation | Dec 19, 1977 | Good Standing |
| FEELGOOD CORPORATION, Dissolved October 31, 2022Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Dec 29, 1977 | Voluntarily Dissolved |
| ALPHA-MICRO USERS SOCIETY, Dissolved January 1, 1998Boulder, CO · Administratively Dissolved | Boulder, CO | Nonprofit | Feb 22, 1978 | Administratively Dissolved |