| FIRST PRESBYTERIAN CHURCH OF WILLISTON, INC.Williston, FL · Active | Williston, FL | Nonprofit | Apr 2, 1987 | Active |
| WILLISTON BASEBALL, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Apr 24, 1987 | Inactive |
| LA NUEVA IGLESIA DE DIOS PROFETICA INCWilliston, FL · Inactive | Williston, FL | Nonprofit | Mar 1, 2021 | Inactive |
| 343 FARMS INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Mar 2, 2021 | Inactive |
| ASOCIACION DE EVANGELISMO INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Jun 23, 2021 | Inactive |
| JLP MINISTRIES, INCWilliston, FL · Inactive | Williston, FL | Nonprofit | Aug 4, 2021 | Inactive |
| MOUNT OLIVE AFRICAN METHODIST EPISCOPAL CHURCH OF WILLISTON,FL, INCWilliston, FL · Inactive | Williston, FL | Nonprofit | Sep 16, 2021 | Inactive |
| EDUCATION ACCESS PARTNERSHIP INC.Williston, FL · Inactive | Williston, FL | Nonprofit | May 19, 2022 | Inactive |
| BRONSON ELITE INCWilliston, FL · Inactive | Williston, FL | Nonprofit | Sep 19, 2022 | Inactive |
| ESTEEMED INCWilliston, FL · Inactive | Williston, FL | Nonprofit | Oct 3, 2022 | Inactive |
| WMHS GIRLS BASKETBALL BOOSTERS INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Dec 5, 2022 | Inactive |
| G'S RESCUE CORPWilliston, FL · Inactive | Williston, FL | Nonprofit | Jan 24, 2023 | Inactive |
| PROJECT CHEER, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Mar 2, 2023 | Inactive |
| RESTORE NATURE NOW, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Mar 13, 2023 | Inactive |
| CHILDREN CRISTIAN WORLD FOUNDATION INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Mar 30, 2023 | Inactive |
| WILLISTON CROSS COUNTRY BOOSTER CLUB INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Apr 4, 2023 | Inactive |
| 444 SONS OF AMVETS SQUADRON INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Apr 12, 2023 | Inactive |
| HELP IN THE COMMUNITY CORPWilliston, FL · Inactive | Williston, FL | Nonprofit | Apr 25, 2023 | Inactive |
| IGLESIA CRISTIANA EN CRISTO SOMOS UNO INCWlliston, FL · Inactive | Wlliston, FL | Nonprofit | Aug 14, 2023 | Inactive |
| CIRCLE DRIVE WATER SYSTEM, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Aug 21, 2023 | Inactive |
| BULLOCK FAMILY CEMETERY, INC.Williston, FL · Active | Williston, FL | Nonprofit | Nov 29, 2023 | Active |
| GENESIS COMMUNITY DEVELOPMENT TRAINING INCWilliston, FL · Inactive | Williston, FL | Nonprofit | Jan 22, 2024 | Inactive |
| THE LEGACY CENTER AT WILLISTON, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Aug 9, 2024 | Inactive |
| LAMBDA RHO CHAPTER SIGMA GAMMA RHO SORORITY INCWilliston, FL · Active | Williston, FL | Nonprofit | Aug 27, 2024 | Active |
| C.D.O PARA LAS NACIONES INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Aug 30, 2024 | Inactive |
| AMVETS SONS SQUADRON 444 WILLISTON, INCWilliston, FL · Active | Williston, FL | Nonprofit | Nov 18, 2024 | Active |
| INSTITUTO BIBLICO EMANUEL, INC.Williston, FL · Active | Williston, FL | Nonprofit | May 16, 2025 | Active |
| WILLISTON ART LEAGUE, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Mar 4, 1988 | Inactive |
| MCGEE BRANCH HUNTING CLUB, INC.Williston, FL · Active | Williston, FL | Nonprofit | Apr 4, 1988 | Active |
| IGLESIA DE DIOS EMANUEL INTERNACIONAL, INC.Williston, FL · Active | Williston, FL | Nonprofit | May 1, 2026 | Active |
| JR GREATER LEGACY FOUNDATION, INC.Williston, FL · Active | Williston, FL | Nonprofit | May 11, 2026 | Active |
| HEALING HEARTS RESCUE RANCH, INCWilliston, FL · Active | Williston, FL | Nonprofit | May 11, 2026 | Active |
| AMVETS LADIES AUXILIARY POST 444, INC.Williston, FL · Active | Williston, FL | Nonprofit | May 26, 2026 | Active |
| THE GAP CLOSERS, INC.Williston, FL · Active | Williston, FL | Nonprofit | Jul 17, 2026 | Active |
| LEGACY COMMUNITY TRUST, INC.Williston, FL · Active | Williston, FL | Nonprofit | Jul 31, 2026 | Active |
| THE EQUUS COLLECTION FOUNDATION INC.Williston, FL · Active | Williston, FL | Nonprofit | Aug 24, 2026 | Active |
| INSPIRATIONAL CHURCH OF JESUS AND OUTREACH MINISTRIES, INC.Williston, FL · Active | Williston, FL | Nonprofit | Dec 15, 1988 | Active |
| THE FLORIDA SPELEOLOGICAL SOCIETY, INC.Williston, FL · Active | Williston, FL | Nonprofit | Feb 17, 1989 | Active |
| THRIFT SHOP OF WILLISTON MINISTERIAL ASSOCIATION, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Feb 27, 1989 | Inactive |
| CORNERSTONE ASSEMBLY OF GOD, INC.Williston, FL · Active | Williston, FL | Nonprofit | Mar 6, 1989 | Active |
| SUWANNEE HAVEN, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | May 8, 1989 | Inactive |
| PROJECT PLAYGROUND, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | May 10, 1989 | Inactive |
| EASTSIDE MEN'S CLUB, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Jun 5, 1989 | Inactive |
| TO GOD BE ALL GLORY, MINISTRIES, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Apr 23, 1991 | Inactive |
| NEW HOPE VOICE OF DELIVERANCE CHURCH OF GOD APOSTOLIC, INC.Willison, FL · Inactive | Willison, FL | Nonprofit | Aug 12, 1991 | Inactive |
| GAINESVILLE BIRD FANCIERS, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | May 6, 1991 | Inactive |
| WILLISTON HEALTH CARE, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Mar 11, 1992 | Inactive |
| NATURE COAST HEALTH SYSTEMS, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Jan 22, 1993 | Inactive |
| WILLISTON HORSEMAN'S ASSOCIATION, INC.Williston, FL · Active | Williston, FL | Nonprofit | May 6, 1993 | Active |
| CREATIVE CHILD CARE CONSULTANTS, INC.Williston, FL · Inactive | Williston, FL | Nonprofit | Jun 1, 1993 | Inactive |