| THE FLORIDA ARABIAN CUTTING HORSE ASSOCIATION, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Jan 23, 1987 | Inactive |
| THE UNION COUNTY ATTACK CLUB, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | May 6, 2019 | Inactive |
| LAKE BUTLER FFA ALUMNI CORPORATIONLake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Sep 9, 2019 | Inactive |
| WORTHINGTON SPRINGS PLANTATION OWNERS ASSOCIATION, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Feb 25, 1987 | Inactive |
| SIMPLY SERENITY SUPPORTIVE HOUSING INCLake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Jan 28, 2020 | Inactive |
| UNION COUNTY QUATERBACK CLUB, INC.Lake Buttler, FL · Inactive | Lake Buttler, FL | Nonprofit | Oct 5, 2020 | Inactive |
| THE UNION COUNTY BABE RUTH ASSOCIATION, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Apr 15, 2021 | Inactive |
| FLORIDA GEORGIA STUFFED ANIMALS FOR EMERGENCIES INCLake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Sep 14, 2022 | Inactive |
| A DIFFERENT CONNECTION COMMUNITY DEVELOPMENT INCLake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Oct 26, 2022 | Inactive |
| KINGDOM ARMORY CORPLake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Nov 14, 2022 | Inactive |
| SECOND CHANCE FULL SERVICE COMMUNITY DEVELOPMENT INCLake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Dec 6, 2022 | Inactive |
| THE ELIDA STEPHENSON FOUNDATION, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Oct 5, 1987 | Inactive |
| THE UNION COUNTY SOCCER CLUB INCLake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Feb 1, 2023 | Inactive |
| BODY OF CHRIST MINISTRY OF FAITH, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Apr 3, 2023 | Inactive |
| JUKKA YOUTH AND RECREATION CENTER CORPLake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | May 2, 2023 | Inactive |
| FIGHTING UNION COUNTY COLLECTIVE, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Dec 1, 2023 | Inactive |
| PACED LABOR 7V7 INCLake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Jan 18, 2024 | Inactive |
| NORTH FLORIDA HEAT INCLake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Jan 23, 2024 | Inactive |
| LULU COMMUNITY EVENTS, INC.Lake Butler, FL · Active | Lake Butler, FL | Nonprofit | May 17, 2024 | Active |
| G2G KINGS, INCLake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Oct 29, 2024 | Inactive |
| SAINT JAMES AFRICAN METHODIST EPISCOPAL CHURCH, LAKE BUTLER INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Nov 18, 2024 | Inactive |
| JAX OF ALL TRADES ANIMAL RESCUE CORPLake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Dec 23, 2024 | Inactive |
| ODOM EDUCATIONAL SERVICES, INC.Lake Butler, FL · Active | Lake Butler, FL | Nonprofit | Dec 9, 2025 | Active |
| ATALANTA INTERNATIONAL INCORPORATEDLake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Apr 7, 1988 | Inactive |
| THE WELL WORN WAY, INCLake Butler, FL · Active | Lake Butler, FL | Nonprofit | Dec 29, 2025 | Active |
| HAPPY LIFE ANIMAL RESCUE AND WELFARE, INC.Lake Butler, FL · Active | Lake Butler, FL | Nonprofit | Jan 13, 2026 | Active |
| PROTECT RURAL FLORIDA, INC.Lake Butler, FL · Active | Lake Butler, FL | Nonprofit | Mar 17, 2026 | Active |
| UNION COUNTY POST #153, AMERICAN LEGION, DEPARTMENT OF FLORIDA, INC.Lake Butler, FL · Active | Lake Butler, FL | Nonprofit | Mar 27, 2026 | Active |
| UNION COUNTY TIGER QUARTERBACK CLUB, INC.Lake Butler, FL · Active | Lake Butler, FL | Nonprofit | Apr 24, 2026 | Active |
| MOODYVILLE COMMUNITY CENTER CORPORATIONLake Buter, FL · Active | Lake Buter, FL | Nonprofit | May 26, 2026 | Active |
| UNION COUNTY GOLF CLUB INCLake Butler, FL · Active | Lake Butler, FL | Nonprofit | Jun 3, 2026 | Active |
| FULL GOSPEL TEMPLE OF DELIVERANCE INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | May 24, 1988 | Inactive |
| UNION COUNTY CHAPTER #4203 OF AMERICAN ASSOCIATION OF RETIRED PERSONS, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Jul 3, 1989 | Inactive |
| FORT CALL CEMETERY ASSOCIATION, INC.Lake Butler, FL · Active | Lake Butler, FL | Nonprofit | Feb 22, 1991 | Active |
| PROVIDENCE VILLAGE BAPTIST CHURCH, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Jan 10, 1992 | Inactive |
| RIVER OAK PLANTATION HOMEOWNERS' ASSOCIATION, INC.Lake Butler, FL · Active | Lake Butler, FL | Nonprofit | Apr 30, 1992 | Active |
| UNION CORRECTIONAL AUTHORITY, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Mar 19, 1993 | Inactive |
| UNION COUNTY HISTORICAL SOCIETY, INC.Lake Butler, FL · Active | Lake Butler, FL | Nonprofit | Mar 30, 1993 | Active |
| SARDIS BAPTIST CHURCH, INC.Lake Butler, FL · Active | Lake Butler, FL | Nonprofit | Sep 7, 1993 | Active |
| NEW VISION EVANGELISTIC MINISTRIES, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Jan 21, 1994 | Inactive |
| UNION COUNTY SCHOOL BOARD FINANCE CORP.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Sep 28, 1994 | Inactive |
| EMMANUEL BAPTIST CHURCH OF BRADFORD COUNTY, INCORPORATEDLake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Oct 27, 1994 | Inactive |
| FLORIDA CORRECTIONS ASSOCIATION, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Apr 18, 1995 | Inactive |
| BENEFICENT MINISTRIES, INC.Lake Butler, FL · Active | Lake Butler, FL | Nonprofit | Aug 21, 1995 | Active |
| BREEDING GROUND STILL HUNT CLUB, INC.Lake Butler, FL · Active | Lake Butler, FL | Nonprofit | Aug 30, 1996 | Active |
| OSCEOLA PLANTATIONS OWNERS ASSOCIATION, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Oct 7, 1996 | Inactive |
| UNION COUNTY SCHOOLS FOUNDATION, INC.Lake Butler, FL · Active | Lake Butler, FL | Nonprofit | Nov 6, 1996 | Active |
| VICTORY CHRISTIAN CENTER OF LAKE BUTLER, FL, INC.Lake Butler, FL · Active | Lake Butler, FL | Nonprofit | Jul 10, 1997 | Active |
| TIGER BAND ALUMNI ASSOCIATION, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Sep 16, 1997 | Inactive |
| SANTA FE BEND OWNERS ASSOCIATION, INC.Lake Butler, FL · Inactive | Lake Butler, FL | Nonprofit | Nov 5, 1997 | Inactive |