| THE LARIMER AND WELD IRRIGATION COMPANYEaton, CO · Good Standing | Eaton, CO | Nonprofit | Mar 12, 1879 | Good Standing |
| THE WINDSOR RESERVOIR & CANAL COMPANYEaton, CO · Good Standing | Eaton, CO | Nonprofit | May 2, 1890 | Good Standing |
| LARIMER AND WELD RESERVOIR COMPANYEaton, CO · Good Standing | Eaton, CO | Nonprofit | Aug 25, 1890 | Good Standing |
| CACHE A LA POUDRE IRRIGATING DITCH COMPANYEaton, CO · Good Standing | Eaton, CO | Nonprofit | Mar 27, 1893 | Good Standing |
| THE LAKESIDE LATERAL DITCH COMPANYEaton, CO · Good Standing | Eaton, CO | Nonprofit | Jul 12, 1899 | Good Standing |
| DIVIDE CANAL AND RESERVOIR COMPANYEaton, CO · Good Standing | Eaton, CO | Nonprofit | Feb 16, 1904 | Good Standing |
| THE OWL CREEK SUPPLY AND IRRIGATION COMPANYEaton, CO · Good Standing | Eaton, CO | Nonprofit | Jun 5, 1905 | Good Standing |
| THE FOR FAR LATERAL COMPANYEaton, CO · Good Standing | Eaton, CO | Nonprofit | May 1, 1906 | Good Standing |
| DECKER LATERAL COMPANYEaton, CO · Good Standing | Eaton, CO | Nonprofit | Jun 25, 1907 | Good Standing |
| THE WEST IRRIGATION COMPANYEaton, CO · Good Standing | Eaton, CO | Nonprofit | Dec 6, 1907 | Good Standing |
| THE LUCAS LATERAL DITCH COMPANYEaton, CO · Good Standing | Eaton, CO | Nonprofit | Apr 12, 1912 | Good Standing |
| NORMAN HUTCHINSON POST NUMBER 26, AMERICAN LEGIONEaton, CO · Good Standing | Eaton, CO | Nonprofit | Jun 6, 1929 | Good Standing |
| THE CACHE LA POUDRE WATER USERS' ASSOCIATIONEaton, CO · Good Standing | Eaton, CO | Nonprofit | Jun 29, 1933 | Good Standing |
| EATON UNITED METHODIST CHURCH, Dissolved February 4, 2025Eaton, CO · Voluntarily Dissolved | Eaton, CO | Nonprofit | Feb 18, 1936 | Voluntarily Dissolved |
| The Weld County Livestock AssociationEaton, CO · Good Standing | Eaton, CO | Nonprofit | May 18, 1943 | Good Standing |
| GALE LATERAL COMPANYEaton, CO · Good Standing | Eaton, CO | Nonprofit | May 1, 1947 | Good Standing |
| THE EATON COUNTRY CLUBEaton, CO · Good Standing | Eaton, CO | Nonprofit | Jul 28, 1948 | Good Standing |
| GRAHAM LATERAL, INC.Eaton, CO · Good Standing | Eaton, CO | Nonprofit | Nov 15, 1948 | Good Standing |
| THE WELD COUNTY FISH AND WILD LIFE ASSOCIATIONEaton, CO · Good Standing | Eaton, CO | Nonprofit | Oct 9, 1951 | Good Standing |
| THE FINLEY LATERAL DITCH COMPANYEaton, CO · Good Standing | Eaton, CO | Nonprofit | May 2, 1952 | Good Standing |
| HARSH INTERNATIONAL, INC.Eaton, CO · Good Standing | Eaton, CO | Corporation | Jul 31, 1953 | Good Standing |
| COZZENS FARMS CO.Eaton, CO · Good Standing | Eaton, CO | Corporation | Dec 23, 1958 | Good Standing |
| DON ANDERSON, INC.Eaton, CO · Good Standing | Eaton, CO | Corporation | Dec 31, 1958 | Good Standing |
| DALTON BROS., INC., Dissolved October 20, 2014Eaton, CO · Voluntarily Dissolved | Eaton, CO | Corporation | Dec 1, 1960 | Voluntarily Dissolved |
| A. BROWN & CO., INC., Dissolved May 9, 2009Eaton, CO · Voluntarily Dissolved | Eaton, CO | Corporation | May 1, 1964 | Voluntarily Dissolved |
| E.D.M. CORPORATION, Dissolved October 31, 2017Eaton, CO · Voluntarily Dissolved | Eaton, CO | Corporation | Aug 26, 1964 | Voluntarily Dissolved |
| ROCKY MOUNTAIN GOLF COURSE SUPERINTENDENTS ASSOCIATIONEaton, CO · Good Standing | Eaton, CO | Nonprofit | Feb 18, 1965 | Good Standing |
| LIND FARMS, INC.Eaton, CO · Good Standing | Eaton, CO | Corporation | Jan 3, 1966 | Good Standing |
| FAITH LUTHERAN CHURCH OF EATON, COLORADOEaton, CO · Good Standing | Eaton, CO | Nonprofit | Jan 20, 1966 | Good Standing |
| DANIELSON, INC., Dissolved July 1, 1999Eaton, CO · Administratively Dissolved | Eaton, CO | Corporation | Sep 23, 1966 | Administratively Dissolved |
| THE TOWN-BOYD LATERAL COMPANYEaton, CO · Good Standing | Eaton, CO | Nonprofit | Jan 30, 1967 | Good Standing |
| AGFINITY, INC.Eaton, CO · Good Standing | Eaton, CO | Other | Aug 9, 1915 | Good Standing |
| ACME MACHINERY & SUPPLY COMPANY INC., Dissolved March 16, 2010Eaton, CO · Voluntarily Dissolved | Eaton, CO | Corporation | Nov 15, 1967 | Voluntarily Dissolved |
| FORT COLLINS GLASS AND PAINT COMPANY, Dissolved December 14, 2016Eaton, CO · Voluntarily Dissolved | Eaton, CO | Corporation | Aug 22, 1968 | Voluntarily Dissolved |
| ATOMIC ENTERPRISES CO., Dissolved July 1, 1999Eaton, CO · Administratively Dissolved | Eaton, CO | Corporation | Sep 4, 1968 | Administratively Dissolved |
| MONFORT FAMILY FOUNDATIONEaton, CO · Good Standing | Eaton, CO | Nonprofit | Apr 7, 1970 | Good Standing |
| OSBORN AND CAYWOOD DITCHEaton, CO · Good Standing | Eaton, CO | Nonprofit | Apr 20, 1970 | Good Standing |
| MEYER LOTS, INC., Dissolved March 28, 2019Eaton, CO · Voluntarily Dissolved | Eaton, CO | Corporation | Feb 25, 1971 | Voluntarily Dissolved |
| ALKIRE FARMS, INC., Dissolved December 20, 2024Eaton, CO · Voluntarily Dissolved | Eaton, CO | Corporation | Sep 23, 1971 | Voluntarily Dissolved |
| J. QUARTER CIRCLE CO.Eaton, CO · Good Standing | Eaton, CO | Corporation | Apr 3, 1972 | Good Standing |
| BOLET CO.Eaton, CO · Good Standing | Eaton, CO | Corporation | Jun 7, 1972 | Good Standing |
| EATON DEVELOPMENT CORPORATION , Dissolved June 1, 1995Eaton, CO · Administratively Dissolved | Eaton, CO | Corporation | Dec 5, 1972 | Administratively Dissolved |
| THE FIRST BAPTIST CHURCH OF EATON, COLORADOEaton, CO · Good Standing | Eaton, CO | Nonprofit | Dec 19, 1972 | Good Standing |
| MILE-HI SHEEP CO.Eaton, CO · Good Standing | Eaton, CO | Corporation | Aug 29, 1973 | Good Standing |
| THE EVANGELICAL FREE CHURCH OF EATON, COLORADOEaton, CO · Good Standing | Eaton, CO | Nonprofit | Jan 13, 1902 | Good Standing |
| THE COLORADO TRAPSHOOTING HALL OF FAMEEaton, CO · Good Standing | Eaton, CO | Nonprofit | Dec 11, 1973 | Good Standing |
| KOBEL HEATING & PLUMBING CO., Dissolved October 5, 2011Eaton, CO · Voluntarily Dissolved | Eaton, CO | Corporation | Dec 12, 1973 | Voluntarily Dissolved |
| LAMBLAND, INC.Eaton, CO · Good Standing | Eaton, CO | Corporation | Dec 31, 1973 | Good Standing |
| VIC LEFFLER & SONS, INC.Eaton, CO · Good Standing | Eaton, CO | Corporation | Jan 30, 1974 | Good Standing |
| CANTRELL & SONS, INC., Dissolved January 1, 1987Eaton, CO · Administratively Dissolved | Eaton, CO | Corporation | Feb 21, 1975 | Administratively Dissolved |