| BETA RHO HOUSE CORPORATION OF GAMMA PHI BETA, INC.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Apr 19, 1954 | Good Standing |
| THE ROCKY RIDGE MUSIC CENTER FOUNDATIONBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Jan 18, 1955 | Good Standing |
| UNIVERSITY HILLS MERCHANTS ASSOCIATION, INC., Dissolved September 24, 2017Boulder, CO · Voluntarily Dissolved | Boulder, CO | Nonprofit | Jul 19, 1955 | Voluntarily Dissolved |
| BOULDER CIVIC OPERA WORKSHOP, INCORPORATED, Dissolved January 1, 1981Boulder, CO · Administratively Dissolved | Boulder, CO | Nonprofit | Oct 15, 1956 | Administratively Dissolved |
| The One Club For Creativity DenverBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Jan 10, 1957 | Good Standing |
| TRINITY EVANGELICAL LUTHERAN CHURCH OF BOULDER, COLORADOBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Mar 7, 1957 | Good Standing |
| THE BOULDER AMATEUR RADIO CLUBBoulder, CO · Good Standing | Boulder, CO | Nonprofit | May 14, 1957 | Good Standing |
| THE FIRST CONGREGATIONAL CHURCH BOULDERBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Jun 13, 1957 | Good Standing |
| KINSLEY AND COMPANY, Dissolved July 12, 1999Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Mar 2, 1959 | Voluntarily Dissolved |
| YWCA Boulder CountyBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Jun 23, 1959 | Good Standing |
| HARVEST MANOR APARTMENTS, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Jul 22, 1959 | Good Standing |
| THE BOULDER TRAVEL AGENCY, INC., Delinquent December 1, 2016Boulder, CO · Delinquent | Boulder, CO | Corporation | Jul 1, 1960 | Delinquent |
| CHESEBRO PLUMBING AND HEATING COMPANY, Delinquent February 1, 2012Boulder, CO · Delinquent | Boulder, CO | Corporation | Aug 11, 1959 | Delinquent |
| JEWEL MOUNTAIN LAND COMPANY, Dissolved July 1, 2009Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Oct 11, 1961 | Voluntarily Dissolved |
| GUNUNG MAS, LTD., Dissolved December 30, 2015Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Aug 27, 1962 | Voluntarily Dissolved |
| THE UNITED CHRISTIAN FOUNDATION OF BOULDER, COLORADO, Dissolved September 8, 2017Boulder, CO · Voluntarily Dissolved | Boulder, CO | Nonprofit | Apr 5, 1963 | Voluntarily Dissolved |
| ST. AIDAN'S EPISCOPAL CHURCH OF BOULDERBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Jun 5, 1963 | Good Standing |
| THIRD-EQUITY CORPORATION, Dissolved January 1, 1983Boulder, CO · Administratively Dissolved | Boulder, CO | Corporation | Nov 21, 1963 | Administratively Dissolved |
| RED LION INN RESTAURANT OF BOULDER, INC., Delinquent May 1, 2014Boulder, CO · Delinquent | Boulder, CO | Corporation | Dec 9, 1963 | Delinquent |
| ALVIN NEW SUBDIVISION MUTUAL PIPELINE AND WATER COMPANYBoulder, CO · Good Standing | Boulder, CO | Corporation | Mar 10, 1964 | Good Standing |
| TOM'S TAVERN, INC., Dissolved May 19, 2008Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Dec 17, 1964 | Voluntarily Dissolved |
| COLORADO VIDEO, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Mar 3, 1965 | Good Standing |
| THE FIRST BAPTIST CHURCH OF BOULDER, COLORADOBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Sep 7, 1965 | Good Standing |
| ATTENTION, INC.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Aug 30, 1966 | Good Standing |
| First Presbyterian Preschool of Boulder, Inc., Dissolved December 6, 2021Boulder, CO · Voluntarily Dissolved | Boulder, CO | Nonprofit | Oct 24, 1966 | Voluntarily Dissolved |
| GRACE LUTHERAN FOUNDATION OF BOULDER, COLORADO, INC.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Jan 31, 1968 | Good Standing |
| GONDOLIER, INC., Dissolved September 1, 2002Boulder, CO · Administratively Dissolved | Boulder, CO | Corporation | May 17, 1968 | Administratively Dissolved |
| THE WINOGRAD FOUNDATION, Dissolved September 29, 2011Boulder, CO · Voluntarily Dissolved | Boulder, CO | Nonprofit | Jul 1, 1968 | Voluntarily Dissolved |
| C. B. HURDLE & CO., LLCBoulder, CO · Good Standing | Boulder, CO | LLC | Mar 14, 1969 | Good Standing |
| LINGUISTIC RESEARCH INSTITUTE, INC., Dissolved August 1, 2000Longmont, CO · Administratively Dissolved | Longmont, CO | Corporation | Oct 28, 1969 | Administratively Dissolved |
| GOLD HILL TOWN MEETING, INC.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Jan 28, 1970 | Good Standing |
| DENVER POTTERY COMPANY, INC., Dissolved January 16, 2008Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Jul 10, 1970 | Voluntarily Dissolved |
| ZIP-CO INSTAPRINT, INC., Delinquent September 1, 2008Boulder, CO · Delinquent | Boulder, CO | Corporation | Mar 12, 1971 | Delinquent |
| SILVER SPRINGS HOMEOWNERS ASSOCIATION, INC.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Mar 18, 1971 | Good Standing |
| THE FIRST UNITED METHODIST CHURCH OF BOULDER, COLORADOBoulder, CO · Good Standing | Boulder, CO | Nonprofit | May 23, 1941 | Good Standing |
| RELA DESIGNS, INC., Delinquent November 1, 2010Boulder, CO · Delinquent | Boulder, CO | Corporation | Jun 16, 1971 | Delinquent |
| RICHARD S FRONCZAK D.D.S., P.C., Delinquent October 1, 2018Boulder, CO · Delinquent | Boulder, CO | Corporation | Jul 1, 1971 | Delinquent |
| COLORADO CHAUTAUQUA ASSOCIATIONBoulder, CO · Good Standing | Boulder, CO | Nonprofit | Aug 24, 1971 | Good Standing |
| FLAGSTAFF HOUSE, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Oct 4, 1971 | Good Standing |
| MUSTARD'S LAST STAND, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Jan 18, 1972 | Good Standing |
| HIGHT ENTERPRISES, LTD.Boulder, CO · Good Standing | Boulder, CO | Corporation | Jan 18, 1966 | Good Standing |
| HISTORIC BOULDER, INC.Boulder, CO · Good Standing | Boulder, CO | Nonprofit | Feb 28, 1972 | Good Standing |
| SWEENEY MINING AND MILLING CORPORATION, Delinquent February 1, 2018Boulder, CO · Delinquent | Boulder, CO | Corporation | Jan 5, 1972 | Delinquent |
| MEYERS JEWELERS, INC., Dissolved February 1, 2001Boulder, CO · Administratively Dissolved | Boulder, CO | Corporation | Apr 14, 1972 | Administratively Dissolved |
| THOMAS H. ROLL, C.P.A., P.C., Delinquent March 1, 2014Boulder, CO · Delinquent | Boulder, CO | Corporation | Oct 10, 1972 | Delinquent |
| BACK COUNTRY BOOKS, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Nov 2, 1972 | Good Standing |
| THE POORMAN VOLUNTEER FIRE DEPARTMENT, Delinquent May 1, 2020Boulder, CO · Delinquent | Boulder, CO | Nonprofit | Feb 1, 1973 | Delinquent |
| COMMUNICATION ARTS, INC., Dissolved January 7, 2015Boulder, CO · Voluntarily Dissolved | Boulder, CO | Corporation | Feb 13, 1973 | Voluntarily Dissolved |
| Shambhala USABoulder, CO · Good Standing | Boulder, CO | Nonprofit | Feb 22, 1973 | Good Standing |
| JVA, INC.Boulder, CO · Good Standing | Boulder, CO | Corporation | Apr 27, 1973 | Good Standing |