| DISCOUNT CENTER, INC., Delinquent November 1, 2009Castle Rock, CO · Delinquent | Castle Rock, CO | Corporation | May 29, 1987 | Delinquent |
| CLIFFORD M CASEY COMPANY, INC, Dissolved December 31, 2015Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Corporation | Jun 17, 1987 | Voluntarily Dissolved |
| NICOLO'S, INC.Castle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Oct 2, 1987 | Good Standing |
| XITECH, INC.Castle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Oct 9, 1987 | Good Standing |
| RESOLUTION BAY INCORPORATED, Dissolved January 25, 2022Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Corporation | Nov 25, 1987 | Voluntarily Dissolved |
| ROCKY MOUNTAIN ROTARY YOUTH EXCHANGECastle Rock, CO · Good Standing | Castle Rock, CO | Nonprofit | Aug 11, 1988 | Good Standing |
| JL Holdings, Inc., Delinquent March 1, 2021Castle Rock, CO · Delinquent | Castle Rock, CO | Corporation | Oct 28, 1988 | Delinquent |
| THOMAS B. MANSFIELD CO.Castle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Dec 14, 1988 | Good Standing |
| Clayton Restorations, Ltd.Castle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Dec 20, 1988 | Good Standing |
| WINDSTAR COLORADO CONNECTION, Dissolved December 23, 2012Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Nonprofit | Jan 6, 1989 | Voluntarily Dissolved |
| J.R. HOME IMPROVEMENT INCCastle Rock, CO · Good Standing | Castle Rock, CO | LLC | Feb 23, 1989 | Good Standing |
| PEAK OFFICE FURNITURE, INC., Dissolved January 14, 2026Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Corporation | Apr 21, 1989 | Voluntarily Dissolved |
| Castle Rock The Connection Church of the NazareneCastle Rock, CO · Delinquent | Castle Rock, CO | Nonprofit | May 1, 1989 | Delinquent |
| NEW HOPE PRESBYTERIAN CHURCH U.S.A.Castle Rock, CO · Good Standing | Castle Rock, CO | Nonprofit | Jul 24, 1989 | Good Standing |
| ROCKY MOUNTAIN PETROLEUM COMPANYCastle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Aug 14, 1989 | Good Standing |
| T.A. BUTLER & ASSOCIATES, INC.Castle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Sep 1, 1989 | Good Standing |
| M.B.C., INC. Reinstated October 03, 2007Castle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Sep 27, 1989 | Good Standing |
| Raptors AthleticsCastle Rock, CO · Good Standing | Castle Rock, CO | Nonprofit | Oct 24, 1989 | Good Standing |
| ROBINSON & HENRY, P.C.Castle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Jan 24, 1990 | Good Standing |
| FINE LINE TECHNOLOGY, INC., Dissolved January 16, 2024Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Corporation | Apr 12, 1990 | Voluntarily Dissolved |
| FOOTHILLS FLYING CLUB, INC., Dissolved August 29, 2019Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Nonprofit | May 29, 1990 | Voluntarily Dissolved |
| TREXPRO, INC., Dissolved November 26, 2024Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Corporation | Sep 25, 1990 | Voluntarily Dissolved |
| AMERICAN SCHOOL OF DOG TRAINING, INC., Delinquent February 1, 2016Castlt Rock, CO · Delinquent | Castlt Rock, CO | Corporation | Sep 27, 1990 | Delinquent |
| CASTLE RENTAL, INC.Castle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Oct 4, 1990 | Good Standing |
| NEW WORLD MILLWORKS INC., Dissolved November 17, 2015Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Corporation | Dec 10, 1990 | Voluntarily Dissolved |
| T. LOCO, INC., Dissolved November 24, 2025Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Corporation | Dec 14, 1990 | Voluntarily Dissolved |
| DOUGLAS COUNTY YOUTH EDUCATION AND SAFETY IN SCHOOLS FOUNDATION, INC.Castle Rock, CO · Delinquent | Castle Rock, CO | Nonprofit | Dec 28, 1990 | Delinquent |
| VONDERLUST, INC., Delinquent June 1, 2024Castle Rock, CO · Delinquent | Castle Rock, CO | Corporation | Jan 7, 1991 | Delinquent |
| DENVER SOLUTIONS GROUP, INC.Castle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Mar 20, 1991 | Good Standing |
| L AND L ENTERPRISES, INC.Castle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Mar 22, 1991 | Good Standing |
| SATELLITE GLASS, INCORPORATED, Dissolved June 5, 2009Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Corporation | Apr 22, 1991 | Voluntarily Dissolved |
| WINDOWWEARS, INC.Castle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Apr 30, 1991 | Good Standing |
| ANTONIA CORPORATION, Dissolved October 31, 2004Castle Rock, CO · Administratively Dissolved | Castle Rock, CO | Corporation | May 6, 1991 | Administratively Dissolved |
| AUTOBAHN AUTOBODY, INC., Dissolved June 11, 2024Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Corporation | Jun 4, 1991 | Voluntarily Dissolved |
| VIETNAM VETERANS OF AMERICA, INC. COLORADO STATE COUNCILCastle Rock, CO · Good Standing | Castle Rock, CO | Nonprofit | Jun 21, 1991 | Good Standing |
| ADVANCED INFORMATION TECHNOLOGIES, INC., Delinquent January 1, 2010Castle Rock, CO · Delinquent | Castle Rock, CO | Corporation | Jul 23, 1991 | Delinquent |
| PROGRESSIVE CONSTRUCTION, INC.Castle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Aug 19, 1991 | Good Standing |
| GREAT SOUTHWESTERN, INC., Colorado Authority Relinquished September 28, 2021Castle Rock, CO · Withdrawn | Castle Rock, CO | Corporation | Oct 25, 1991 | Withdrawn |
| PARKMAN ENTERPRISES, INC., Delinquent June 1, 2008Castle Rock, CO · Delinquent | Castle Rock, CO | Corporation | Dec 31, 1991 | Delinquent |
| MAGNUM OPUS MUSIC, INC.Castle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Jan 10, 1992 | Good Standing |
| ROCKY MOUNTAIN BEAGLE CLUBCastle Rock, CO · Good Standing | Castle Rock, CO | Nonprofit | Jan 22, 1992 | Good Standing |
| OGOSCH, INC., Dissolved December 28, 2016Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Corporation | Feb 21, 1992 | Voluntarily Dissolved |
| SHARBER, INC., Dissolved January 1, 2004Castle Rock, CO · Administratively Dissolved | Castle Rock, CO | Corporation | Mar 4, 1992 | Administratively Dissolved |
| FUN & GAMES, INC.Castle Rock, CO · Good Standing | Castle Rock, CO | Corporation | Apr 3, 1992 | Good Standing |
| WESTWIND GROUP INC., Dissolved September 2, 2025Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Corporation | Jun 3, 1992 | Voluntarily Dissolved |
| VAN BUREN MANAGEMENT, INC.Castle Rock, CO · Noncompliant | Castle Rock, CO | Corporation | Jun 10, 1992 | Noncompliant |
| INTERSTELLAR PRODUCTIONS, INC., Delinquent March 1, 2008Castle Rock, CO · Delinquent | Castle Rock, CO | Corporation | Sep 1, 1992 | Delinquent |
| RAMPART FEED AND PET, INC., Dissolved January 12, 2025Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Corporation | Sep 25, 1992 | Voluntarily Dissolved |
| ALL-STAR ENTERTAINMENT, INC., Dissolved February 15, 2017Castle Rock, CO · Voluntarily Dissolved | Castle Rock, CO | Corporation | Feb 19, 1993 | Voluntarily Dissolved |
| KMR REAL ESTATE LIMITED LIABILITY COMPANYCastle Rock, CO · Good Standing | Castle Rock, CO | LLC | Feb 26, 1993 | Good Standing |