| PROWERS COUNTY FARM BUREAULamar, CO · Good Standing | Lamar, CO | Nonprofit | Jun 16, 1949 | Good Standing |
| 8th Street Arms Apartments, Inc., Dissolved March 11, 1985Lamar, CO · Voluntarily Dissolved | Lamar, CO | Corporation | Sep 13, 1982 | Voluntarily Dissolved |
| FELLOWSHIP CREDIT UNIONLamar, CO · Good Standing | Lamar, CO | Nonprofit | Jan 8, 1958 | Good Standing |
| THE LAMAR MASONIC TEMPLE ASSOCIATIONLamar, CO · Delinquent | Lamar, CO | Corporation | Feb 10, 1902 | Delinquent |
| LAMAR CANAL AND IRRIGATION COMPANYLamar, CO · Good Standing | Lamar, CO | Nonprofit | Jul 13, 1907 | Good Standing |
| THE MANVEL CANAL AND IRRIGATION COMPANY, Dissolved August 1, 2002Lamar, CO · Voluntarily Dissolved | Lamar, CO | Nonprofit | Mar 18, 1912 | Voluntarily Dissolved |
| THE MUTUAL HYDE DITCH COMPANYLamar, CO · Good Standing | Lamar, CO | Nonprofit | Apr 4, 1916 | Good Standing |
| VALLEY STATE BANK, Dissolved April 19, 2007Lamar, CO · Voluntarily Dissolved | Lamar, CO | Corporation | Feb 11, 1920 | Voluntarily Dissolved |
| THE GUARANTY ABSTRACT COMPANYLamar, CO · Good Standing | Lamar, CO | Corporation | Feb 28, 1927 | Good Standing |
| LAMAR CHRISTIAN CHURCH, Delinquent September 1, 2023Lamar, CO · Delinquent | Lamar, CO | Nonprofit | Aug 14, 1926 | Delinquent |
| THE GRANADA IRRIGATION COMPANYLamar, CO · Good Standing | Lamar, CO | Nonprofit | Mar 9, 1946 | Good Standing |
| VAQUEROS SADDLE CLUB, INC.Lamar, CO · Good Standing | Lamar, CO | Nonprofit | Apr 5, 1948 | Good Standing |
| ODD FELLOW BUILDING ASSOCIATION OF LAMAR, COLORADO, Dissolved December 5, 2008Lamar, CO · Voluntarily Dissolved | Lamar, CO | Nonprofit | Jul 29, 1954 | Voluntarily Dissolved |
| CITIZENS HOLDING CORPORATION, Dissolved December 1, 2000Lamar, CO · Voluntarily Dissolved | Lamar, CO | Corporation | Mar 2, 1956 | Voluntarily Dissolved |
| THE CALVARY BAPTIST CHURCH OF LAMAR, COLORADOLamar, CO · Good Standing | Lamar, CO | Nonprofit | Nov 27, 1956 | Good Standing |
| LAMAR LANES, INC., Dissolved September 27, 2013Lamar, CO · Voluntarily Dissolved | Lamar, CO | Corporation | Jul 9, 1959 | Voluntarily Dissolved |
| FLOATING W RANCH, INC.Lamar, CO · Noncompliant | Lamar, CO | Corporation | Jul 20, 1959 | Noncompliant |
| GREENSTREET DISTRIBUTING COMPANY, Dissolved September 1, 1999Lamar, CO · Administratively Dissolved | Lamar, CO | Corporation | Nov 28, 1960 | Administratively Dissolved |
| COLORADO EAST INSURANCE, INCLamar, CO · Merged | Lamar, CO | Corporation | Nov 14, 1963 | Merged |
| CARDER, INC., Delinquent June 1, 2019Lamar, CO · Delinquent | Lamar, CO | Corporation | Jan 2, 1964 | Delinquent |
| SOUTHEASTERN DEVELOPMENTAL SERVICES, INC.Lamar, CO · Good Standing | Lamar, CO | Nonprofit | Dec 3, 1964 | Good Standing |
| W.H.O. MANUFACTURING COMPANY, INC.Lamar, CO · Good Standing | Lamar, CO | Corporation | Apr 5, 1966 | Good Standing |
| COMMERCE RANCH, INC., Dissolved December 31, 2022Lamar, CO · Voluntarily Dissolved | Lamar, CO | Corporation | Apr 12, 1966 | Voluntarily Dissolved |
| STOCKMEN MOTOR INN, INC., Delinquent November 1, 2020Lamar, CO · Delinquent | Lamar, CO | Corporation | Jun 29, 1966 | Delinquent |
| PROWERS COUNTY HISTORICAL SOCIETYLamar, CO · Good Standing | Lamar, CO | Nonprofit | Sep 29, 1966 | Good Standing |
| VALLEY STATE INVESTMENTS, INC., Dissolved January 29, 2007Lamar, CO · Voluntarily Dissolved | Lamar, CO | Corporation | Jan 8, 1969 | Voluntarily Dissolved |
| HEATH & SON AND TURPIN, INC.Lamar, CO · Good Standing | Lamar, CO | Corporation | Jul 1, 1969 | Good Standing |
| HEATH & SON AND TURPIN TRUCKING, INC.Lamar, CO · Good Standing | Lamar, CO | Corporation | Aug 29, 1969 | Good Standing |
| RMC Lamar Holdings, Inc., Delinquent September 1, 2017Lamar, CO · Delinquent | Lamar, CO | Corporation | Oct 28, 1969 | Delinquent |
| LAMAR BUILDING MATERIAL SUPPLY, INC.Lamar, CO · Good Standing | Lamar, CO | Corporation | Jan 28, 1970 | Good Standing |
| CHRISTIAN SCIENCE SOCIETY OF LAMAR, Dissolved August 31, 2026Lamar, CO · Voluntarily Dissolved | Lamar, CO | Nonprofit | Mar 19, 1970 | Voluntarily Dissolved |
| COLORADO EAST BANK & TRUSTLamar, CO · Merged | Lamar, CO | Corporation | Apr 1, 1970 | Merged |
| WESTERN TRANSPORTATION, INC., Delinquent May 1, 2019Lamar, CO · Delinquent | Lamar, CO | Corporation | Dec 10, 1970 | Delinquent |
| B.& C. MOBILE COMMUNICATIONS, INC., Dissolved December 31, 2013Lamar, CO · Voluntarily Dissolved | Lamar, CO | Corporation | Jun 5, 1972 | Voluntarily Dissolved |
| BIG R OF LAMAR, INC.Lamar, CO · Good Standing | Lamar, CO | Corporation | Sep 27, 1963 | Good Standing |
| PROBE, INC., Dissolved July 29, 2002Lamar, CO · Voluntarily Dissolved | Lamar, CO | Corporation | Aug 3, 1972 | Voluntarily Dissolved |
| CAR PALACE, INC., Delinquent May 1, 2014Lamar, CO · Delinquent | Lamar, CO | Corporation | Dec 27, 1963 | Delinquent |
| RAGSDALE FARMS, INC.Lamar, CO · Good Standing | Lamar, CO | Corporation | Mar 16, 1973 | Good Standing |
| B & B LAND SURVEYORS, INC., Dissolved October 21, 2002Lamar, CO · Voluntarily Dissolved | Lamar, CO | Corporation | Oct 17, 1973 | Voluntarily Dissolved |
| LAMAR COMMUNITY COLLEGE FOUNDATIONLamar, CO · Good Standing | Lamar, CO | Nonprofit | Nov 8, 1973 | Good Standing |
| DESIREE'S, INC., Delinquent October 1, 2023Lamar, CO · Delinquent | Lamar, CO | Corporation | Dec 6, 1973 | Delinquent |
| H. MANNING CO., Dissolved May 24, 2022Lamar, CO · Voluntarily Dissolved | Lamar, CO | Corporation | Jan 4, 1960 | Voluntarily Dissolved |
| PEACOCK FUNERAL HOME AND MONUMENT COMPANY, Dissolved September 25, 2024Lamar, CO · Voluntarily Dissolved | Lamar, CO | Corporation | Oct 21, 1974 | Voluntarily Dissolved |
| GRUENLOH FARMS, INC.Lamar, CO · Good Standing | Lamar, CO | Corporation | Apr 2, 1975 | Good Standing |
| FREY SALES AND SERVICE, INC., Dissolved August 31, 2011Lamar, CO · Voluntarily Dissolved | Lamar, CO | Corporation | Aug 25, 1975 | Voluntarily Dissolved |
| WILLOW CREEK DEVELOPMENT, INC., Dissolved March 3, 2017Lamar, CO · Voluntarily Dissolved | Lamar, CO | Corporation | Jan 6, 1976 | Voluntarily Dissolved |
| HEALTH RESOURCES, INC., Dissolved May 31, 2005Lamar, CO · Administratively Dissolved | Lamar, CO | Nonprofit | Dec 3, 1976 | Administratively Dissolved |
| DELOACH'S WATER CONDITIONING, INC.Lamar, CO · Good Standing | Lamar, CO | Corporation | Jan 3, 1977 | Good Standing |
| OUT WEST EQUIPMENT CO., INC., Delinquent January 1, 2020Lamar, CO · Delinquent | Lamar, CO | Corporation | Aug 2, 1977 | Delinquent |
| W.E. BEGGS ENTERPRISES, INC., Dissolved December 31, 2008Lamar, CO · Voluntarily Dissolved | Lamar, CO | Corporation | Aug 12, 1977 | Voluntarily Dissolved |