| SUMMIT COVE RECREATION ASSOCIATIONDillon, CO · Good Standing | Dillon, CO | Nonprofit | Sep 21, 1979 | Good Standing |
| SALMON PEAK SPORTS, INC., Delinquent April 1, 2009Keystone, CO · Delinquent | Keystone, CO | Corporation | Oct 29, 1979 | Delinquent |
| MEADOW VIEW CONDOMINIUM ASSOCIATION, INC., Delinquent April 1, 2021Dillon, CO · Delinquent | Dillon, CO | Nonprofit | Nov 27, 1979 | Delinquent |
| INFINITE SCOPE, INC.Dillon, CO · Good Standing | Dillon, CO | Corporation | Feb 29, 1980 | Good Standing |
| MOUNTAIN MINISTRIESDillon, CO · Good Standing | Dillon, CO | Nonprofit | Jun 2, 1980 | Good Standing |
| Altitude REALTORSDillon, CO · Good Standing | Dillon, CO | Nonprofit | Jun 2, 1980 | Good Standing |
| J.D. PETERSON, D.D.S., P.C., Delinquent February 1, 2010Dillon, CO · Delinquent | Dillon, CO | Corporation | Aug 1, 1980 | Delinquent |
| SPRUCE VALLEY LAND COMPANY, INC.Keystone, CO · Good Standing | Keystone, CO | Corporation | Aug 6, 1980 | Good Standing |
| SAGE CREEK CANYON PROPERTY OWNER'S ASSOCIATION, INCDillon, CO · Good Standing | Dillon, CO | Nonprofit | Oct 30, 1980 | Good Standing |
| HODGES/MARVIN ARCHITECTS, INC., Dissolved June 27, 2023Dillon, CO · Voluntarily Dissolved | Dillon, CO | Corporation | Feb 2, 1981 | Voluntarily Dissolved |
| V.E. MORGAN, D.D.S., P.C., Dissolved December 31, 2007Dillon, CO · Voluntarily Dissolved | Dillon, CO | Corporation | Jul 1, 1981 | Voluntarily Dissolved |
| SHOW SNOE, INC., Dissolved July 20, 2001Dillon, CO · Voluntarily Dissolved | Dillon, CO | Corporation | Jul 1, 1981 | Voluntarily Dissolved |
| SNOWFALL, INC., Dissolved June 1, 1998Dillon, CO · Administratively Dissolved | Dillon, CO | Corporation | Aug 10, 1981 | Administratively Dissolved |
| SODA SPRING AT KEYSTONE CONDOMINIUM ASSOCIATION, INC.Keystone, CO · Good Standing | Keystone, CO | Nonprofit | Oct 21, 1981 | Good Standing |
| SUMMERWOOD HOMEOWNERS ASSOCIATIONDillon, CO · Good Standing | Dillon, CO | Nonprofit | Dec 8, 1981 | Good Standing |
| COLUMBINE CENTER CONDOMINIUM ASSOCIATION, INC.Dillon, CO · Good Standing | Dillon, CO | Nonprofit | Apr 2, 1982 | Good Standing |
| SPINNAKER AT LAKE DILLON CONDOMINIUM ASSOCIATION,Dillon, CO · Good Standing | Dillon, CO | Nonprofit | Apr 16, 1982 | Good Standing |
| SUMMIT SOFTBALL LEAGUE, INC., Delinquent September 1, 2025Dillon, CO · Delinquent | Dillon, CO | Nonprofit | Apr 30, 1982 | Delinquent |
| NOVAK & NELSON REAL ESTATE COMPANY, Delinquent August 1, 2020Dillon, CO · Delinquent | Dillon, CO | Corporation | May 3, 1982 | Delinquent |
| SOLAR CONDOMINIUM CORP., Dissolved October 1, 2000Dillon, CO · Administratively Dissolved | Dillon, CO | Corporation | Jun 21, 1982 | Administratively Dissolved |
| STS. JOHN CONDOMINIUM ASSOCIATION, INC.Keystone, CO · Good Standing | Keystone, CO | Nonprofit | Jul 16, 1982 | Good Standing |
| KEYSTONE WEST RANCH HOMEOWNERS ASSOCIATION, INC.Dillon, CO · Good Standing | Dillon, CO | Nonprofit | Oct 21, 1982 | Good Standing |
| VAIL SUMMIT RESORTS, INC.Dillon, CO · Good Standing | Dillon, CO | Corporation | Dec 23, 1982 | Good Standing |
| SONNE DEVELOPMENT COMPANY, INC., Dissolved July 31, 2005Keystone, CO · Administratively Dissolved | Keystone, CO | Corporation | Feb 1, 1983 | Administratively Dissolved |
| MOUNTAIN VIEW SPORTS, INC.Dillon, CO · Good Standing | Dillon, CO | Corporation | May 18, 1983 | Good Standing |
| COLORADO CROSS COUNTRY SKI ASSOCIATIONDillon, CO · Good Standing | Dillon, CO | Nonprofit | Sep 22, 1983 | Good Standing |
| SUMMER RIDGE CONDOMINIUM ASSOCIATIONDillon, CO · Good Standing | Dillon, CO | Nonprofit | Apr 10, 1984 | Good Standing |
| GARY J. MILLER, INC.Dillon, CO · Good Standing | Dillon, CO | Corporation | Jul 18, 1984 | Good Standing |
| SUMMIT RESORT DEVELOPMENT CO.Keystone, CO · Merged | Keystone, CO | Corporation | Aug 13, 1984 | Merged |
| JOHN H.D. GOEMANS, INC., Delinquent March 1, 2012Dillon, CO · Delinquent | Dillon, CO | Corporation | Sep 17, 1984 | Delinquent |
| INTERNATIONAL RACQUET CLUB OF THE ROCKIES CONDOMINIUM ASSOCIATION, INC.Dillon, CO · Good Standing | Dillon, CO | Nonprofit | Nov 28, 1984 | Good Standing |
| WOODBRIDGE INN CONDOMINIUM ASSOCIATIONDillon, CO · Good Standing | Dillon, CO | Nonprofit | Dec 24, 1984 | Good Standing |
| THE ENCLAVE AT KEYSTONE, INC.Dillon, CO · Good Standing | Dillon, CO | Nonprofit | Jan 9, 1985 | Good Standing |
| TORREY RIDGE CONDOMINIUM ASSOCIATION, INC.Dillon, CO · Good Standing | Dillon, CO | Nonprofit | Feb 7, 1985 | Good Standing |
| ADVOCATES FOR VICTIMS OF ASSAULT, INC.Dillon, CO · Good Standing | Dillon, CO | Nonprofit | Mar 7, 1985 | Good Standing |
| AMERICAN COIN METER OF COLORADO, INC., Dissolved February 1, 2000Dillon, CO · Administratively Dissolved | Dillon, CO | Corporation | Apr 23, 1985 | Administratively Dissolved |
| COLUMBINE SKI & SPORT, INC., Dissolved July 1, 2000Dillon, CO · Administratively Dissolved | Dillon, CO | Corporation | Sep 9, 1985 | Administratively Dissolved |
| LAKESIDE TOWNHOUSE ASSOCIATIONDillon, CO · Good Standing | Dillon, CO | Nonprofit | Oct 24, 1985 | Good Standing |
| SODA SPRING AT KEYSTONE, PHASE, II, CONDOMINIUM ASKeystone, CO · Good Standing | Keystone, CO | Nonprofit | Nov 7, 1985 | Good Standing |
| FRONTIER SPORTS, INC., Dissolved September 1, 1998Dillon, CO · Administratively Dissolved | Dillon, CO | Corporation | Nov 27, 1985 | Administratively Dissolved |
| KRYSTAL BROADCASTING, INC.Dillon, CO · Good Standing | Dillon, CO | Corporation | Jun 10, 1986 | Good Standing |
| SOLAR ONE BUILDERS, INC., Dissolved July 29, 2014Dillon, CO · Voluntarily Dissolved | Dillon, CO | Corporation | Aug 15, 1986 | Voluntarily Dissolved |
| LHM INC., Dissolved March 31, 2005Dillon, CO · Administratively Dissolved | Dillon, CO | Corporation | Oct 31, 1986 | Administratively Dissolved |
| SKY HIGH COMMUNICATIONS INC., Dissolved June 25, 2020Dillon, CO · Voluntarily Dissolved | Dillon, CO | Corporation | May 22, 1987 | Voluntarily Dissolved |
| SUMMIT COUNTY REALTY & MANAGEMENT CO.Dillon, CO · Good Standing | Dillon, CO | Corporation | Sep 2, 1987 | Good Standing |
| KEY BUSINESS VENTURES, INC., Dissolved March 15, 2024Dillon, CO · Voluntarily Dissolved | Dillon, CO | Corporation | Sep 16, 1987 | Voluntarily Dissolved |
| KELLER MOUNTAIN MANAGEMENT, INC., Delinquent March 1, 2017Dillon, CO · Delinquent | Dillon, CO | Corporation | Oct 1, 1987 | Delinquent |
| KREMMLING FLYING, INC., Dissolved August 26, 2002Dillion, CO · Voluntarily Dissolved | Dillion, CO | Nonprofit | Oct 29, 1987 | Voluntarily Dissolved |
| KEYSTONE DEVELOPMENT SALES, INC.Keystone, CO · Good Standing | Keystone, CO | Corporation | Oct 30, 1987 | Good Standing |
| KEYSTONE CONFERENCE SERVICES, INC.Keystone, CO · Good Standing | Keystone, CO | Corporation | Dec 1, 1987 | Good Standing |