| 7790 Corporation, Dissolved April 16, 1980Westminster, CO · Voluntarily Dissolved | Westminster, CO | Corporation | Apr 27, 1970 | Voluntarily Dissolved |
| A. B. & B. ENTERPRISES, INC., Dissolved January 1, 1979Westminster, CO · Administratively Dissolved | Westminster, CO | Corporation | Nov 16, 1971 | Administratively Dissolved |
| ADAMS COUNTY COMPREHENSIVE HEALTH PLANNING COUNCIL, INC., Dissolved December 6, 1977Westminster, CO · Administratively Dissolved | Westminster, CO | Nonprofit | Aug 24, 1972 | Administratively Dissolved |
| ACADEMY AGENCY OF COLORADO, INC., Dissolved January 1, 1981Westminster, CO · Administratively Dissolved | Westminster, CO | Corporation | May 29, 1974 | Administratively Dissolved |
| Adams County Foster Parents Association, Dissolved January 1, 1984Westminster, CO · Administratively Dissolved | Westminster, CO | Nonprofit | Oct 21, 1974 | Administratively Dissolved |
| 5-X, INC., Dissolved January 1, 1983Westminster, CO · Administratively Dissolved | Westminster, CO | Corporation | Jan 7, 1977 | Administratively Dissolved |
| CONCORD SQUARE HOMEOWNERS ASSOCIATION, INC.Westminster, CO · Good Standing | Westminster, CO | Nonprofit | Jan 25, 1979 | Good Standing |
| ACME WELDING INC., Dissolved January 1, 1986Westminster, CO · Administratively Dissolved | Westminster, CO | Corporation | Apr 4, 1980 | Administratively Dissolved |
| ACE CARPET AND UPHOLSTERY CLEANING COMPANY, Dissolved January 1, 1986Westminster, CO · Administratively Dissolved | Westminster, CO | Corporation | Jul 15, 1980 | Administratively Dissolved |
| A-BLAZE HEATING COMPANY, Colorado Authority Relinquished September 30, 1984Westminster, CO · Revoked | Westminster, CO | Corporation | Aug 25, 1982 | Revoked |
| THE COLORADO SADDLERY COMPANYWestminster, CO · Good Standing | Westminster, CO | Corporation | Nov 30, 1946 | Good Standing |
| FIRST BAPTIST CHURCH OF WESTMINSTERWestminster, CO · Good Standing | Westminster, CO | Nonprofit | Feb 28, 1949 | Good Standing |
| FRANCIS M. DAY, INC., Dissolved September 17, 2002Westminster, CO · Voluntarily Dissolved | Westminster, CO | Corporation | Jul 30, 1954 | Voluntarily Dissolved |
| ADVENT EVANGELICAL LUTHERAN CHURCH, WESTMINSTER, COLORADO, Dissolved January 1, 1997Westminster, CO · Administratively Dissolved | Westminster, CO | Nonprofit | Aug 9, 1954 | Administratively Dissolved |
| THE FIRST SOUTHERN BAPTIST CHURCH OF WESTMINSTERWestminster, CO · Good Standing | Westminster, CO | Nonprofit | Nov 25, 1955 | Good Standing |
| THE MILE-HI JEEP CLUB OF COLORADOWestminster, CO · Good Standing | Westminster, CO | Nonprofit | Jul 2, 1957 | Good Standing |
| MODERN MUSIC SERVICE COMPANY, Dissolved August 1, 2001Westminster, CO · Administratively Dissolved | Westminster, CO | Corporation | Sep 6, 1960 | Administratively Dissolved |
| WESTMINSTER PRESBYTERIAN CHURCHWestminster, CO · Good Standing | Westminster, CO | Nonprofit | Feb 1, 1957 | Good Standing |
| WESTMINSTER CO LODGE #2227 BENOVOLENT AND PROTECTIVE ORDER OF ELKS OF THE UNITED STATES OF AMERICAWestminster, CO · Good Standing | Westminster, CO | Nonprofit | Nov 2, 1961 | Good Standing |
| WESTMINSTER AREA HISTORICAL AND MUSEUM SOCIETYWestminster, CO · Good Standing | Westminster, CO | Nonprofit | Jan 2, 1963 | Good Standing |
| VALENTE ENTERPRISES, INC.Westminster, CO · Good Standing | Westminster, CO | Corporation | May 27, 1963 | Good Standing |
| THE GHOST TOWN CLUB OF COLORADO, INC.Westminster, CO · Good Standing | Westminster, CO | Nonprofit | Oct 17, 1963 | Good Standing |
| EDWARD L. ABEYTA, D.D.S., P.C., Dissolved May 31, 2006Westminster, CO · Voluntarily Dissolved | Westminster, CO | Corporation | Nov 26, 1971 | Voluntarily Dissolved |
| FISH OF WESTMINSTER, INC.Westminster, CO · Good Standing | Westminster, CO | Nonprofit | Jul 18, 1972 | Good Standing |
| UNITED BROKERS, INC., Dissolved January 31, 2005Westminster, CO · Administratively Dissolved | Westminster, CO | Corporation | Aug 14, 1972 | Administratively Dissolved |
| CARMEAN & ASSOCIATES, INC., Dissolved August 1, 2001Westminster, CO · Administratively Dissolved | Westminster, CO | Corporation | Oct 2, 1972 | Administratively Dissolved |
| R.M.S. SALES, INC., Delinquent August 1, 2019Westminster, CO · Delinquent | Westminster, CO | Corporation | Oct 31, 1972 | Delinquent |
| Community Resources and Housing Development CorporationWestminster, CO · Good Standing | Westminster, CO | Nonprofit | Feb 8, 1971 | Good Standing |
| GEORGE W. PARSONS, INC., Dissolved July 14, 2006Westminster, CO · Voluntarily Dissolved | Westminster, CO | Corporation | May 24, 1974 | Voluntarily Dissolved |
| COLORADO WORD WORKS, INC.Westminster, CO · Good Standing | Westminster, CO | Corporation | Jun 28, 1974 | Good Standing |
| HIGH COUNTRY AUTO SUPPLY, INC., Dissolved May 1, 2001Westminster, CO · Administratively Dissolved | Westminster, CO | Corporation | Jul 16, 1974 | Administratively Dissolved |
| VINYL SASH, INC., Dissolved June 12, 2008Westminster, CO · Voluntarily Dissolved | Westminster, CO | Corporation | Aug 12, 1974 | Voluntarily Dissolved |
| BARTELS HEATING & AIR CONDITIONING LLCWestminster, CO · Merged | Westminster, CO | LLC | Mar 3, 1976 | Merged |
| REAR INN LOUNGE, INC., Delinquent July 1, 2016Westminster, CO · Delinquent | Westminster, CO | Corporation | Mar 5, 1976 | Delinquent |
| JOHN C. BARNACLE, M.D., P.C., Dissolved January 31, 2006Westminster, CO · Voluntarily Dissolved | Westminster, CO | Corporation | Apr 5, 1976 | Voluntarily Dissolved |
| THE D. M. PERGOLA AGENCY, INC.Westminster, CO · Good Standing | Westminster, CO | Corporation | Apr 15, 1976 | Good Standing |
| NORTH SHERIDAN FAMILY PRACTICE ASSOCIATES, P.C., Dissolved February 1, 2001Westminster, CO · Administratively Dissolved | Westminster, CO | Corporation | Apr 26, 1976 | Administratively Dissolved |
| EDWARD J. BERTAGNOLLI, D.D.S., P.C.Westminster, CO · Good Standing | Westminster, CO | Corporation | Jul 1, 1976 | Good Standing |
| NEW FAIRVIEW LOUNGE, INC.Westminster, CO · Good Standing | Westminster, CO | Corporation | Jul 26, 1976 | Good Standing |
| SCHALK & COMPANY, REALTORSWestminster, CO · Good Standing | Westminster, CO | Corporation | Dec 19, 1973 | Good Standing |
| CLEASBY MANUFACTURING CO. OF DENVERWestminster, CO · Good Standing | Westminster, CO | Corporation | Nov 12, 1976 | Good Standing |
| RON-GLO INDUSTRIES, INC., Delinquent August 1, 2020Westminster, CO · Delinquent | Westminster, CO | Corporation | Mar 17, 1977 | Delinquent |
| WESTMINSTER MALL MERCHANTS ASSOCIATION, Delinquent April 1, 2012Westminster, CO · Delinquent | Westminster, CO | Nonprofit | Oct 31, 1977 | Delinquent |
| COLORADO SOUND RECORDING, LTD.Westminster, CO · Good Standing | Westminster, CO | Corporation | Nov 17, 1977 | Good Standing |
| SUPREME ENTERPRISES, INC., Dissolved October 1, 2003Westminster, CO · Administratively Dissolved | Westminster, CO | Corporation | Dec 15, 1977 | Administratively Dissolved |
| WASHINGTON HEADLINES, INC., Dissolved October 1, 1998Westminster, CO · Administratively Dissolved | Westminster, CO | Corporation | Dec 23, 1977 | Administratively Dissolved |
| MileHiCon, Inc.Westminster, CO · Good Standing | Westminster, CO | Nonprofit | Feb 1, 1978 | Good Standing |
| JENHO, INC., Dissolved July 1, 2010Westminster, CO · Voluntarily Dissolved | Westminster, CO | Corporation | Apr 17, 1978 | Voluntarily Dissolved |
| DOUGLAS SCIENTIFIC, INC.Westminster, CO · Good Standing | Westminster, CO | Corporation | Aug 9, 1978 | Good Standing |
| AAA LOCKSMITH COMPANY, INC., Dissolved September 30, 2006Westminster, CO · Voluntarily Dissolved | Westminster, CO | Corporation | Oct 20, 1978 | Voluntarily Dissolved |