| THE LYONS CEMETERY ASSOCIATIONLyons, CO · Good Standing | Lyons, CO | Nonprofit | May 10, 1932 | Good Standing |
| LYONS DITCH COMPANYLyons, CO · Good Standing | Lyons, CO | Nonprofit | Jan 18, 1952 | Good Standing |
| Lyons United Methodist ChurchLyons, CO · Good Standing | Lyons, CO | Nonprofit | May 21, 1953 | Good Standing |
| PEACEFUL VALLEY RECREATION CENTER, INC., Dissolved February 8, 1999Lyons, CO · Voluntarily Dissolved | Lyons, CO | Corporation | Aug 10, 1953 | Voluntarily Dissolved |
| Big Elk Meadows Water AssociationLyons, CO · Merged | Lyons, CO | Nonprofit | Apr 19, 1956 | Merged |
| PLEASANT VALLEY BOATING CLUB, INC.Lyons, CO · Good Standing | Lyons, CO | Nonprofit | Aug 7, 1962 | Good Standing |
| FOOTHILLS BAPTIST CHURCH, Dissolved May 23, 2023Lyons, CO · Voluntarily Dissolved | Lyons, CO | Nonprofit | Jun 28, 1971 | Voluntarily Dissolved |
| BASELINE - MOCON, INC.Lyons, CO · Merged | Lyons, CO | Corporation | Sep 17, 1971 | Merged |
| STEAMBOAT VALLEY PROPERTY OWNERS ASSOCIATION, INC.Lyons, CO · Good Standing | Lyons, CO | Nonprofit | Oct 7, 1971 | Good Standing |
| INTERNATIONAL AEROBATIC CLUB CHAPTER 12Lyons, CO · Good Standing | Lyons, CO | Nonprofit | Feb 5, 1973 | Good Standing |
| RALSTON BROS. ANTIQUES, INC.Lyons, CO · Good Standing | Lyons, CO | Corporation | Mar 5, 1974 | Good Standing |
| THE LYONS HISTORICAL SOCIETYLyons, CO · Good Standing | Lyons, CO | Nonprofit | Aug 5, 1975 | Good Standing |
| FORESTRY MANAGEMENT, INC., Dissolved September 7, 2023Lyons, CO · Voluntarily Dissolved | Lyons, CO | Nonprofit | Dec 6, 1976 | Voluntarily Dissolved |
| THE DAVE MILLER MUTUAL DITCH COMPANYLyons, CO · Good Standing | Lyons, CO | Nonprofit | Aug 18, 1977 | Good Standing |
| SPRING GULCH ROAD MAINTENANCE ASSOCIATIONLyons, CO · Good Standing | Lyons, CO | Nonprofit | Oct 25, 1977 | Good Standing |
| LYONS HARDWARE, Dissolved March 31, 2000Lyons, CO · Voluntarily Dissolved | Lyons, CO | Corporation | Oct 26, 1977 | Voluntarily Dissolved |
| FALKENSTEIN COMPANY, Dissolved March 9, 2012Lyons, CO · Voluntarily Dissolved | Lyons, CO | Corporation | Dec 9, 1977 | Voluntarily Dissolved |
| BEECH HILL WATER USERS ASSOCIATIONLyons, CO · Good Standing | Lyons, CO | Nonprofit | Jan 23, 1978 | Good Standing |
| THORP ASSOCIATES, P.C., Dissolved April 26, 2021Lyons, CO · Voluntarily Dissolved | Lyons, CO | Corporation | Feb 16, 1978 | Voluntarily Dissolved |
| OPTICUS, INC.Lyons, CO · Good Standing | Lyons, CO | Corporation | May 1, 1978 | Good Standing |
| PINEWOOD SPRINGS COMMUNITY CHURCH, UNITED PRESBYTERIAN, U.S.Lyons, CO · Good Standing | Lyons, CO | Nonprofit | Nov 30, 1978 | Good Standing |
| WENDELL T. WALKER & ASSOCIATES, P.C.Lyons, CO · Good Standing | Lyons, CO | Corporation | Dec 20, 1978 | Good Standing |
| ALLENSPARK WIND, INC.Lyons, CO · Good Standing | Lyons, CO | Nonprofit | Jan 4, 1979 | Good Standing |
| HODGES ENGINEERING, INC., Dissolved January 30, 2016Lyons, CO · Voluntarily Dissolved | Lyons, CO | Corporation | Aug 7, 1979 | Voluntarily Dissolved |
| BIG ELK MEADOWS VOLUNTEER FIRE DEPARTMENT, INC., Dissolved December 3, 2000Lyons, CO · Administratively Dissolved | Lyons, CO | Nonprofit | Jan 17, 1980 | Administratively Dissolved |
| ST. VRAIN PHOTOGRAPHIC SOCIETYLyons, CO · Good Standing | Lyons, CO | Nonprofit | Mar 10, 1980 | Good Standing |
| COLORADO ROSE RED INC., Delinquent July 1, 2024Lyons, CO · Delinquent | Lyons, CO | Corporation | Mar 24, 1981 | Delinquent |
| CIRCA LOGIC, INC., Delinquent November 1, 2011Lyons, CO · Delinquent | Lyons, CO | Corporation | May 29, 1981 | Delinquent |
| THORP ENTERPRISES, INC., Dissolved February 20, 2024Lyons, CO · Voluntarily Dissolved | Lyons, CO | Corporation | Dec 17, 1982 | Voluntarily Dissolved |
| WILF'S EUROPEAN MOTORS, INC., Delinquent December 1, 2020Lyons, CO · Delinquent | Lyons, CO | Corporation | May 24, 1983 | Delinquent |
| HOMEOWNERS OF HEATHERMEADE, INC.Lyons, CO · Good Standing | Lyons, CO | Nonprofit | Jun 29, 1983 | Good Standing |
| OLD STONE CONGREGATIONAL CHURCH OF LYONS, COLORADOLyons, CO · Good Standing | Lyons, CO | Nonprofit | Jun 30, 1983 | Good Standing |
| PINEWOOD SPRINGS BUSINESS SERVICES, INC., Dissolved January 25, 2018Lyons, CO · Voluntarily Dissolved | Lyons, CO | Corporation | Feb 8, 1984 | Voluntarily Dissolved |
| BEACH FRONT LIQUORS, INC., Dissolved August 31, 2005Lyons, CO · Administratively Dissolved | Lyons, CO | Corporation | Mar 19, 1984 | Administratively Dissolved |
| LYONS CHAMBER OF COMMERCE, Dissolved January 30, 2026Lyons, CO · Voluntarily Dissolved | Lyons, CO | Nonprofit | May 21, 1984 | Voluntarily Dissolved |
| HENRY'S SPECIALTY, INC., Dissolved August 9, 2002Lyons, CO · Voluntarily Dissolved | Lyons, CO | Corporation | May 29, 1984 | Voluntarily Dissolved |
| LITTLE THOMPSON ROAD ASSOCIATION, Dissolved July 27, 2018Lyons, CO · Voluntarily Dissolved | Lyons, CO | Nonprofit | Jul 9, 1984 | Voluntarily Dissolved |
| STATE OF THE ART PAINTERS, INC., Dissolved January 24, 2023Lyons, CO · Voluntarily Dissolved | Lyons, CO | Corporation | Oct 25, 1984 | Voluntarily Dissolved |
| COLUMBINE TRAVEL, INC., Delinquent April 1, 2023Lyons, CO · Delinquent | Lyons, CO | Corporation | Nov 16, 1984 | Delinquent |
| SHARK'S INK., INCORPORATEDLyons, CO · Good Standing | Lyons, CO | Corporation | May 1, 1985 | Good Standing |
| H F, INC., Dissolved April 1, 2002Lyons, CO · Administratively Dissolved | Lyons, CO | Corporation | Jun 7, 1985 | Administratively Dissolved |
| S R M, INC., Delinquent February 1, 2010Lyons, CO · Delinquent | Lyons, CO | Corporation | Aug 21, 1985 | Delinquent |
| Leaders Network InternationalLyons, CO · Good Standing | Lyons, CO | Nonprofit | Jan 31, 1986 | Good Standing |
| TERUYA & SONS, LTD., Delinquent October 1, 2009Lyons, CO · Delinquent | Lyons, CO | Corporation | Apr 10, 1986 | Delinquent |
| KNECHTEL ENGINEERING, LTD., Dissolved February 3, 2010Lyons, CO · Voluntarily Dissolved | Lyons, CO | Corporation | May 21, 1986 | Voluntarily Dissolved |
| LANDSHARK, INC.Lyons, CO · Good Standing | Lyons, CO | Corporation | Aug 5, 1986 | Good Standing |
| NEAL WOODWORKING, INC., Dissolved May 31, 2005Lyons, CO · Administratively Dissolved | Lyons, CO | Corporation | Dec 30, 1986 | Administratively Dissolved |
| METROWEST PUBLISHING, INC., Dissolved July 25, 2015Lyons, CO · Voluntarily Dissolved | Lyons, CO | Corporation | Jan 13, 1987 | Voluntarily Dissolved |
| REHN CONSTRUCTION, INC.Lyons, CO · Good Standing | Lyons, CO | Corporation | Feb 4, 1987 | Good Standing |
| SYNCHROSTAT SYSTEMS CORPORATIONLyons, CO · Good Standing | Lyons, CO | Corporation | May 29, 1987 | Good Standing |