| ROTARY CLUB OF CYPRESS GARDENS, FLORIDA, INCORPORATEDWinter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Nov 6, 1970 | Inactive |
| WINTER HAVEN DIXIE YOUTH BASEBALL, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Dec 3, 1970 | Inactive |
| IMMANUEL BAPTIST TABERNACLE OF WINTER HAVEN, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Mar 18, 1971 | Inactive |
| WINTER HAVEN MALL MERCHANTS ASSOCIATION, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Apr 27, 1971 | Inactive |
| WINTER HAVEN BASS CLUB, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Apr 23, 1971 | Inactive |
| FIRST BAPTIST CHURCH OF INWOOD, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | May 12, 1971 | Active |
| WINTERHAVEN CHAPTER #847 OF AMERICAN ASSOCIATION OF RETIRED PERSON, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | May 25, 1971 | Inactive |
| TRI-COUNTY MENTAL HEALTH BOARD, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jun 18, 1971 | Inactive |
| JAN PHYL VILLAGE VOLUNTEER PUBLIC SAFETY ASSOCIATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jun 28, 1971 | Inactive |
| JAN PHYL WOMAN'S CLUB, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Oct 29, 1971 | Inactive |
| TRANSITION HOUSE, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | May 31, 1972 | Inactive |
| CENTRAL CHURCH OF CHRIST OF WINTER HAVEN, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Jan 9, 1973 | Active |
| MISS WINTER HAVEN SOFTBALL, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Apr 16, 1973 | Active |
| WINTER HAVEN AERIE 3487 F.O.E., INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | May 23, 1973 | Inactive |
| THE WELLINGTON ASSOCIATION OF WINTER HAVEN, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | May 29, 1973 | Active |
| THE "HAPPENING", CHRISTIAN YOUTH OUTREACH, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Jul 5, 1973 | Inactive |
| NETHERCOTT SCHOOL OF WONDERS AND MIRACLES, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Sep 19, 1973 | Inactive |
| CENTRAL FLORIDA COMPHREHENSIVE HEALTH PLANNING COUNCIL, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Nov 6, 1973 | Inactive |
| LAKE BUCKEYE CONDOMINIUM, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Jan 11, 1974 | Active |
| LAKE ALFRED TOWNHOUSE CONDOMINIUM, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Apr 5, 1974 | Inactive |
| BOSOX CLUB OF WINTER HAVEN, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jul 31, 1974 | Inactive |
| WESTWOOD MISSIONARY BAPTIST CHURCH, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Aug 19, 1974 | Active |
| CLUB JEWETT ASHANTI, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Feb 21, 1975 | Inactive |
| THE METROPOLITAN DINNER CLUB OF WINTER HAVEN, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Feb 24, 1975 | Inactive |
| WINTER HAVEN CIVITAN CLUB, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Mar 20, 1975 | Inactive |
| THE FIRST STEP CORPORATION, INC., OF WINTER HAVENWinter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | May 6, 1975 | Inactive |
| WINTER HAVEN BAPTIST MANOR, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | May 7, 1975 | Inactive |
| LAKE JESSIE FLYER'S, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | May 29, 1975 | Inactive |
| LAKE MARIANNA IMPROVEMENT LEAGUE, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Jul 14, 1975 | Inactive |
| CYPRESS CB'ERS ALERT, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Jul 24, 1975 | Inactive |
| THE SOUTHSIDE BAPTIST CHURCH OF WINTER HAVEN, INCORPORATEDWinter Haven, FL · Active | Winter Haven, FL | Nonprofit | Feb 6, 1976 | Active |
| TAPROOT THEATRE, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Apr 14, 1976 | Inactive |
| NEW LIFE IN CHRIST CHURCH, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | May 13, 1976 | Inactive |
| POLK SELF - HELP HOUSING, INC.Wahneta, FL · Inactive | Wahneta, FL | Nonprofit | May 18, 1976 | Inactive |
| KIWANIS CLUB OF LAKE REGION, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Jun 10, 1976 | Inactive |
| YOUNG ANGLERS OF AMERICA, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Jun 11, 1976 | Inactive |
| THE POLK COUNTY POLICE BENEVOLENT ASSOCIATION, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Jun 18, 1976 | Inactive |
| CITRUS CB'ERS, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Jul 8, 1976 | Inactive |
| BLUE DEVILS BOOSTER CLUB, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Aug 19, 1976 | Inactive |
| OAKWOOD ESTATES ASSOCIATION, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Sep 28, 1976 | Inactive |
| WINTER HAVEN WATER SKI CLUB, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Nov 23, 1976 | Inactive |
| TRI-COUNTY MENTAL HEALTH BOARD DISTRICT VI-B, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Dec 14, 1976 | Inactive |
| LADIES SOCIETY OF ST. SOPHIA CHURCH OF POLK COUNTY, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Dec 22, 1976 | Inactive |
| THE MISSION OF WINTER HAVEN, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Jan 13, 1977 | Active |
| FAITH BAPTIST CHURCH OF WINTER HAVEN, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Jan 21, 1977 | Active |
| JANUS COMMUNITY TREATMENT CENTER, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Feb 2, 1977 | Inactive |
| SCIENCE OF SPIRITUALITY, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Feb 9, 1977 | Active |
| WINTER HAVEN SWIM TEAM, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Apr 4, 1977 | Inactive |
| NORTHEAST SECURITY AGAINST CRIME, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Apr 12, 1977 | Inactive |
| JUNIOR CAMPERS OF AMERICA, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | May 6, 1977 | Inactive |