| Lions Club of Milliken-JohnstownJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Apr 20, 1984 | Good Standing |
| THE FARMERS EXTENSION DITCH COMPANYJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Mar 13, 1889 | Good Standing |
| FARMERS IRRIGATING DITCH & RESERVOIR COMPANYJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Nov 23, 1878 | Good Standing |
| THE CONSOLIDATED HILLSBOROUGH DITCH COMPANYJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Nov 12, 1898 | Good Standing |
| GARD LATERAL DITCH COMPANYJohnstown, CO · Exists | Johnstown, CO | Nonprofit | Jun 10, 1904 | Exists |
| THE ISH RESERVOIR COMPANYJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Apr 27, 1905 | Good Standing |
| ANDERSON FARMS, INCORPORATED OF WYOMING, Colorado Authority Relinquished July 21, 2026Johnstown, CO · Withdrawn | Johnstown, CO | Corporation | Nov 7, 1969 | Withdrawn |
| THE EXTENSION IRRIGATION COMPANYJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Apr 3, 1915 | Good Standing |
| GRAY LATERAL DITCH COMPANYJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Apr 9, 1918 | Good Standing |
| J-M POST CLUBJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | May 15, 1947 | Good Standing |
| THE HILLSBOROUGH EXTENSION DITCH CO.Johnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Oct 30, 1947 | Good Standing |
| THE HARRY LATERAL DITCH COMPANYJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Nov 24, 1961 | Good Standing |
| E. S. A. SERVICE CORPORATION, Delinquent April 1, 2020Johnstown, CO · Delinquent | Johnstown, CO | Corporation | Nov 15, 1963 | Delinquent |
| RON GROB COMPANY, Dissolved April 9, 2026Johnstown, CO · Voluntarily Dissolved | Johnstown, CO | Corporation | Jun 16, 1965 | Voluntarily Dissolved |
| ROSEDALE MARKETING CORP., Dissolved October 27, 2024Johnstown, CO · Voluntarily Dissolved | Johnstown, CO | Corporation | Sep 21, 1966 | Voluntarily Dissolved |
| THE ROCKY MOUNTAIN CONSERVATIVE BAPTIST ASSOCIATIONJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Jan 23, 1964 | Good Standing |
| FAITH LUTHERAN CHURCH OF JOHNSTOWNJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Apr 5, 1968 | Good Standing |
| UNITED METHODIST CHURCH OF JOHNSTOWNJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Sep 16, 1968 | Good Standing |
| NORTHMOOR ACRES HOME OWNERS ASSOCIATIONJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Apr 27, 1972 | Good Standing |
| MILE-HI GOLDEN RETRIEVER CLUBJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Jun 8, 1972 | Good Standing |
| THE FIRST BAPTIST CHURCH OF JOHNSTOWN, Dissolved March 27, 2018Johnstown, CO · Voluntarily Dissolved | Johnstown, CO | Nonprofit | Feb 3, 1907 | Voluntarily Dissolved |
| SHULTZ FARM, INC.Johnstown, CO · Good Standing | Johnstown, CO | Corporation | Mar 6, 1973 | Good Standing |
| PLATTE & PRAIRIE AUDUBON SOCIETY, Delinquent April 1, 2011Johnstown, CO · Delinquent | Johnstown, CO | Nonprofit | Feb 27, 1974 | Delinquent |
| OLD ARMY PRESS INC.Johnstown, CO · Good Standing | Johnstown, CO | Corporation | Nov 29, 1974 | Good Standing |
| UNISCOPE, LLCJohnstown, CO · Good Standing | Johnstown, CO | LLC | Jan 17, 1975 | Good Standing |
| THE JOHNSTOWN SENIOR CITIZENS CLUB, Delinquent July 1, 2005Johnstown, CO · Delinquent | Johnstown, CO | Nonprofit | May 9, 1975 | Delinquent |
| LA PAZ HOMEOWNER'S ASSOCIATIONJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Jul 16, 1975 | Good Standing |
| HAYS MARKET, INC.Johnstown, CO · Good Standing | Johnstown, CO | Corporation | Apr 9, 1976 | Good Standing |
| ARCHITECTURAL ENGINEERING ASSOCIATES, INC.Johnstown, CO · Good Standing | Johnstown, CO | Corporation | Oct 28, 1976 | Good Standing |
| MOUNTAIN STATES PLASTICS, INC.Johnstown, CO · Good Standing | Johnstown, CO | Corporation | Nov 26, 1976 | Good Standing |
| COLORADO GOLDEN GLOVES CHARITIES, INC.Johnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Jan 9, 1979 | Good Standing |
| GREG'S BACKHOE SERVICES, INC., Dissolved January 3, 2019Johnstown, CO · Voluntarily Dissolved | Johnstown, CO | Corporation | Jan 23, 1979 | Voluntarily Dissolved |
| JOHN M. MAUZY CORPORATION, Delinquent September 1, 2006Johnstown, CO · Delinquent | Johnstown, CO | Corporation | Jul 23, 1979 | Delinquent |
| BAYSTONE HOMEOWNERS ASSOCIATIONJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Jun 30, 1980 | Good Standing |
| SCHWALM BROS., INC., Delinquent February 1, 2025Johnstown, CO · Delinquent | Johnstown, CO | Corporation | Sep 15, 1980 | Delinquent |
| KERSEY WELL USERS ASSOCIATIONJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Oct 9, 1980 | Good Standing |
| GREELEY NORMANDY CONDOMINIUM ASSOCIATION, INC.Johnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Mar 20, 1981 | Good Standing |
| COLORADO PRECAST CONCRETE, INC., Dissolved September 1, 2018Johnstown, CO · Voluntarily Dissolved | Johnstown, CO | Corporation | Oct 28, 1981 | Voluntarily Dissolved |
| WALSENBURG INSURANCE CENTER, INC.Johnstown, CO · Good Standing | Johnstown, CO | Corporation | Dec 10, 1982 | Good Standing |
| Inhausen Corporation, Delinquent June 1, 2011Johnstown, CO · Delinquent | Johnstown, CO | Corporation | Dec 17, 1982 | Delinquent |
| THE REORGANIZED FARMERS' DITCH COMPANYJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Feb 18, 1983 | Good Standing |
| DEPARTMENT OF COLORADO, MARINE CORPS LEAGUEJohnstown, CO · Good Standing | Johnstown, CO | Nonprofit | Apr 4, 1983 | Good Standing |
| JOHNSTOWN DRUG COMPANY, LTD., Dissolved June 1, 2002Johnston, CO · Administratively Dissolved | Johnston, CO | Corporation | Aug 29, 1983 | Administratively Dissolved |
| ARVADA TRANSFER COMPANYJohnstown, CO · Good Standing | Johnstown, CO | Corporation | Sep 29, 1983 | Good Standing |
| ARVADA TRAILER RENTAL CO.Johnstown, CO · Good Standing | Johnstown, CO | Corporation | Sep 29, 1983 | Good Standing |
| JAKE'S CUSTOM BUILDERS, INC., Dissolved December 30, 2004Johnstown, CO · Administratively Dissolved | Johnstown, CO | Corporation | Jul 19, 1984 | Administratively Dissolved |
| WYATT CRANE & RIGGING COMPANYJohnstown, CO · Good Standing | Johnstown, CO | Corporation | Oct 29, 1984 | Good Standing |
| AG COMTEC LTD., Delinquent October 1, 2022Johnstown, CO · Delinquent | Johnstown, CO | Corporation | Nov 9, 1984 | Delinquent |
| GERRARD EXCAVATING, INC.Johnstown, CO · Good Standing | Johnstown, CO | Corporation | Dec 30, 1985 | Good Standing |
| GMC MOUNTAINAIRES INC., Delinquent September 1, 2025Johnstown, CO · Delinquent | Johnstown, CO | Nonprofit | Apr 16, 1986 | Delinquent |