| S. E. P. A., INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Mar 16, 1964 | Inactive |
| FLORIDA CITRUS HALL OF FAME, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | May 14, 1964 | Inactive |
| FIRST BAPTIST CHURCH WINTER HAVEN FLORIDAWinter Haven, FL · Active | Winter Haven, FL | Nonprofit | May 15, 1964 | Active |
| HEART OF FLORIDA EDUCATIONAL FOUNDATION, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Nov 17, 1964 | Active |
| BOYS AND GIRLS FOR JESUS, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Dec 2, 1964 | Inactive |
| BUCKEYE HILLS ASSOCIATION, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Feb 9, 1965 | Inactive |
| HAVEN BAPTIST CHURCH, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Feb 12, 1965 | Active |
| KIWANIS CLUB OF WINTER HAVEN, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Apr 27, 1965 | Active |
| KIWANIS CLUB OF WINTER HAVEN-CYPRESS GARDENS, FLORIDA, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Sep 28, 1965 | Inactive |
| CALVARY ASSEMBLY OF GOD CHURCH, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Nov 29, 1965 | Active |
| PRO RACING ASSOCIATION, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Feb 10, 1966 | Inactive |
| RIFLE RANGE RIDERS CLUB, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jul 5, 1966 | Inactive |
| THE WINTER HAVEN FIREMEN'S ASSOCIATION INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Jul 5, 1966 | Inactive |
| RIDGEPOINT CHURCH, INCWinter Haven, FL · Active | Winter Haven, FL | Nonprofit | Jul 13, 1966 | Active |
| ELOISE METHODIST CHURCH, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jul 18, 1966 | Inactive |
| THE WEEK-END WARRIORS OF WINTER HAVEN, FLORIDA, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Sep 19, 1966 | Inactive |
| WINTER HAVEN ELKS' CLUB, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Mar 3, 1967 | Inactive |
| DICK AND JULIE POPE FOUNDATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Apr 12, 1967 | Inactive |
| THE RIFLE RANGE BOYS ORGANIZATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Oct 11, 1967 | Inactive |
| RIDGE SPORTSMAN'S ASSOCIATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Nov 2, 1967 | Inactive |
| RIDGE ART ASSOCIATION, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Nov 22, 1967 | Active |
| BLUE DEVILS BOOSTER CLUB, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Nov 29, 1967 | Inactive |
| IMPERIAL POLK GUN CLUB, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Nov 29, 1967 | Active |
| THE SWEET FOUNDATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Dec 27, 1967 | Inactive |
| THE NATIONAL PEE WEE GOLF ASSOCIATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Mar 28, 1968 | Inactive |
| PARKLAND VILLAGE HOMEOWNERS ASSOCIATION, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Apr 3, 1968 | Active |
| POLK COUNTY BUILDERS EXCHANGE, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Apr 11, 1968 | Inactive |
| RIDGE BID DEPOSITORY, INC. OF WINTER HAVENLocation not reported, FL · Inactive | Location not reported, FL | Nonprofit | Apr 11, 1968 | Inactive |
| THE RABB HEALTH AND RESEARCH FOUNDATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Apr 26, 1968 | Inactive |
| FIRST CHRISTIAN TOWERS INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Jun 17, 1968 | Inactive |
| ORCHID SPRINGS PROPERTY OWNERS, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Sep 6, 1968 | Inactive |
| POLK COUNTY SILENT CLUB, INC.Elosie, FL · Inactive | Elosie, FL | Nonprofit | Sep 30, 1968 | Inactive |
| CITIZEN'S ADVISORY COUNCIL ON EDUCATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jan 24, 1969 | Inactive |
| WAHNETA REVIVAL CENTER, INC., OF WINTER HAVEN, FLORIDALocation not reported, FL · Inactive | Location not reported, FL | Nonprofit | Apr 29, 1969 | Inactive |
| ARID CLUB, INC OF WINTER HAVENLocation not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jul 18, 1969 | Inactive |
| WINTER HAVEN MEMORIAL CENTER, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Sep 17, 1969 | Inactive |
| EAST POLK COUNTY MULTIPLE LISTING SERVICE, INC.Winter Haven, FL · Inactive | Winter Haven, FL | Nonprofit | Sep 18, 1969 | Inactive |
| POLK CHRISTIAN SCHOOL, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Oct 28, 1969 | Inactive |
| KIWANIS CLUB OF WINTER HAVEN FOUNDATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Feb 17, 1970 | Inactive |
| UNITED STEELWORKERS OF AMERICAN LOCAL 6991 BUILDING CORPORATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Apr 3, 1970 | Inactive |
| S.H.A.R.E. INCORPORATEDWinter Park, FL · Inactive | Winter Park, FL | Nonprofit | Mar 17, 1970 | Inactive |
| POLK COUNTY ASSOCIATION FOR CHILDREN WITH LEARING DISABILITIES, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | May 1, 1970 | Inactive |
| VILLA IMPROVEMENT, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | May 14, 1970 | Inactive |
| THEATRE WINTER HAVEN, INC.Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Jun 12, 1970 | Active |
| FLORIDA WELL DRILLERS ASSOCIATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Feb 25, 1970 | Inactive |
| URBAN DEVELOPMENT OF WINTER HAVEN, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Feb 27, 1970 | Inactive |
| PALM PLACE APARTMENTS, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Feb 27, 1970 | Inactive |
| THE JOHN HASTON OWEN FOUNDATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Feb 27, 1970 | Inactive |
| WINTER HAVEN HIGH SCHOOL BAND BOOSTERS, INC..Winter Haven, FL · Active | Winter Haven, FL | Nonprofit | Sep 18, 1970 | Active |
| GODS SUPREME HOLINESS CRUSADE INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Oct 14, 1970 | Inactive |