| SEKICH EQUIPMENT COMPANY, Dissolved July 5, 2005Longmont, CO · Voluntarily Dissolved | Longmont, CO | Corporation | Apr 16, 1973 | Voluntarily Dissolved |
| Pruvit Cattle Company, Dissolved May 14, 2018Firestone, CO · Voluntarily Dissolved | Firestone, CO | Corporation | Nov 18, 1970 | Voluntarily Dissolved |
| VILLA VISTA TOWNHOUSE ASSOCIATION, INC.Longmont, CO · Good Standing | Longmont, CO | Nonprofit | May 3, 1973 | Good Standing |
| REGNIER FARMS, INC.Longmont, CO · Good Standing | Longmont, CO | Corporation | Jul 20, 1973 | Good Standing |
| HORSESHOE PARK WATER COMPANYLongmont, CO · Good Standing | Longmont, CO | Nonprofit | Aug 23, 1973 | Good Standing |
| BANK PROMOTIONS OF BOULDER, INC.Longmont, CO · Good Standing | Longmont, CO | Corporation | Dec 3, 1973 | Good Standing |
| R. L. JORGENSEN, M.D., P.C., Delinquent October 1, 2016Longmont, CO · Delinquent | Longmont, CO | Corporation | May 20, 1974 | Delinquent |
| LONGMONT SWIM CLUB, INC.Longmont, CO · Good Standing | Longmont, CO | Nonprofit | Jan 23, 1975 | Good Standing |
| CHRIST OUR SAVIOR LUTHERAN CHURCH OF LONGMONTLongmont, CO · Good Standing | Longmont, CO | Nonprofit | Jun 24, 1975 | Good Standing |
| LONGMONT PRESCHOOL CORPORATION, Dissolved October 3, 2016Longmont, CO · Voluntarily Dissolved | Longmont, CO | Nonprofit | Jun 27, 1975 | Voluntarily Dissolved |
| ROCKY MOUNTAIN PAINT & BODY, INC., Dissolved January 18, 2023Longmont, CO · Voluntarily Dissolved | Longmont, CO | Corporation | Jun 28, 1976 | Voluntarily Dissolved |
| ZAK DIRT, INC.Mead, CO · Good Standing | Mead, CO | Corporation | Jun 29, 1976 | Good Standing |
| G M P TRENDS, INC., Delinquent February 1, 2018Longmont, CO · Delinquent | Longmont, CO | Corporation | Aug 3, 1976 | Delinquent |
| NIWOT CORPORATIONLongmont, CO · Good Standing | Longmont, CO | Corporation | Sep 24, 1976 | Good Standing |
| PROFESSIONAL WEED CONTROL SERVICE, INC.Longmont, CO · Good Standing | Longmont, CO | Corporation | Mar 4, 1977 | Good Standing |
| AG AIR, INCORPORATEDLongmont, CO · Good Standing | Longmont, CO | Corporation | May 31, 1977 | Good Standing |
| SUNSET PARK CONGREGATION OF JEHOVAH'S WITNESSES, LONGMONT, COLORADO INC., A NONPROFIT CORPORATIONLongmont, CO · Good Standing | Longmont, CO | Nonprofit | Jul 21, 1977 | Good Standing |
| Longs Peak Crematory, Inc., Dissolved July 24, 2018Longmont, CO · Voluntarily Dissolved | Longmont, CO | Corporation | Aug 22, 1977 | Voluntarily Dissolved |
| SHIRLEY A. THOMAS, PH.D., A PROFESSIONAL CORPORATION, Dissolved December 31, 2019Longmont, CO · Voluntarily Dissolved | Longmont, CO | Corporation | Oct 11, 1977 | Voluntarily Dissolved |
| LA COCINA INN, INC., Dissolved October 1, 2003Longmont, CO · Administratively Dissolved | Longmont, CO | Corporation | Dec 8, 1977 | Administratively Dissolved |
| VARRA COMPANIES, INC.Longmont, CO · Good Standing | Longmont, CO | Corporation | Jan 30, 1978 | Good Standing |
| CENTENNIAL LANES, INC.Longmont, CO · Good Standing | Longmont, CO | Corporation | Feb 7, 1978 | Good Standing |
| CRALL ASSOCIATES, INC.Longmont, CO · Delinquent | Longmont, CO | Corporation | Feb 16, 1978 | Delinquent |
| TWIN PEAKS EXCAVATING, INC.Longmont, CO · Good Standing | Longmont, CO | Corporation | Jun 8, 1978 | Good Standing |
| BOULDER VALLEY GIRLS SOFTBALL ASSOCIATION, INC.Frederick, CO · Good Standing | Frederick, CO | Nonprofit | Oct 25, 1978 | Good Standing |
| K & C R V, INC., Dissolved July 11, 2011Longmont, CO · Voluntarily Dissolved | Longmont, CO | Corporation | Oct 31, 1978 | Voluntarily Dissolved |
| Paragon Service DogsLongmont, CO · Good Standing | Longmont, CO | Nonprofit | Dec 1, 1978 | Good Standing |
| CRALL & BOWES, INC., Delinquent September 1, 2011Longmont, CO · Delinquent | Longmont, CO | Corporation | Mar 29, 1979 | Delinquent |
| S. N. S. IRON WORKS, INC.Frederick, CO · Good Standing | Frederick, CO | Corporation | May 10, 1979 | Good Standing |
| ROCKY MOUNTAIN WANDERERSLongmont, CO · Good Standing | Longmont, CO | Nonprofit | Jul 16, 1979 | Good Standing |
| SUNSHOWER ACRES, LTD., Delinquent March 1, 2009Longmont, CO · Delinquent | Longmont, CO | Corporation | Sep 18, 1979 | Delinquent |
| SALISHAN HOMEOWNERS' ASSOCIATIONLongmont, CO · Good Standing | Longmont, CO | Nonprofit | Oct 15, 1979 | Good Standing |
| THE ESTES LANE CONDOMINIUM ASSOCIATIONFirestone, CO · Good Standing | Firestone, CO | Nonprofit | Jan 28, 1980 | Good Standing |
| MACK'S PLUMBING AND HEATING, INC., Delinquent April 1, 2007Longmont, CO · Delinquent | Longmont, CO | Corporation | Apr 25, 1980 | Delinquent |
| COLORADO SCIENTIFIC RESEARCH CORPORATIONLongmont, CO · Good Standing | Longmont, CO | Nonprofit | May 13, 1980 | Good Standing |
| COLORADO ANIMAL HEALTH, INC.Longmont, CO · Good Standing | Longmont, CO | Corporation | Nov 26, 1980 | Good Standing |
| THE PURE WATER PLACE, INC., Dissolved November 23, 2011Longmont, CO · Voluntarily Dissolved | Longmont, CO | Corporation | Dec 11, 1980 | Voluntarily Dissolved |
| SEMITORR ASSOCIATES, INC., Dissolved April 24, 2026Longmont, CO · Voluntarily Dissolved | Longmont, CO | Corporation | Dec 18, 1980 | Voluntarily Dissolved |
| COLORADO THERAPEUTIC RIDING CENTER, INC.Longmont, CO · Good Standing | Longmont, CO | Nonprofit | Dec 22, 1980 | Good Standing |
| CLASSICAL CONCEPTS, INC.Firestone, CO · Good Standing | Firestone, CO | Corporation | Feb 17, 1981 | Good Standing |
| CONCRETE STRUCTURES, INC.Mead, CO · Good Standing | Mead, CO | Corporation | Mar 16, 1981 | Good Standing |
| OXFORD FARM HOMEOWNERS' ASSOCIATION, Delinquent June 1, 2009Longmont, CO · Delinquent | Longmont, CO | Nonprofit | Jun 16, 1981 | Delinquent |
| DON R. NICHOLS, INC., Dissolved September 29, 2020Longmont, CO · Voluntarily Dissolved | Longmont, CO | Corporation | Jul 8, 1981 | Voluntarily Dissolved |
| MEDICAL ELECTRONIC DISTRIBUTION SYSTEMS, INC.Longmont, CO · Good Standing | Longmont, CO | Corporation | Jul 15, 1981 | Good Standing |
| GAYNOR LAKE HOMEOWNERS' ASSOCIATIONLongmont, CO · Good Standing | Longmont, CO | Nonprofit | Jul 20, 1981 | Good Standing |
| COLORADO FEDERATION OF MUSIC CLUBS, INC.Longmont, CO · Good Standing | Longmont, CO | Nonprofit | Sep 11, 1981 | Good Standing |
| QUEEN OF THE RIVER FISH COMPANY, INC., Dissolved February 28, 2005Longmont, CO · Administratively Dissolved | Longmont, CO | Corporation | Sep 15, 1981 | Administratively Dissolved |
| R.A.F. ENTERPRISES, INC., Delinquent October 1, 2012Firestone, CO · Delinquent | Firestone, CO | Corporation | Sep 15, 1981 | Delinquent |
| MEADOWLARK OPTICS, INC.Frederick, CO · Good Standing | Frederick, CO | Corporation | Sep 23, 1981 | Good Standing |
| SECTIONS 11 AND 14 WATER USERS ASSOCIATIONLongmont, CO · Good Standing | Longmont, CO | Nonprofit | Nov 5, 1981 | Good Standing |