| AMERICAN PULSE EXCHANGE, INC.Mayo, FL · Active | Mayo, FL | Corporation | Feb 19, 1979 | Active |
| ZEE-BEE HONEY, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Apr 20, 1979 | Inactive |
| SPORT SHACK OF MAYO, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Jun 1, 1979 | Inactive |
| B.C. MCCRAY & ASSOCIATES, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Jun 19, 1979 | Inactive |
| BAHA CRUISERS, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Sep 20, 1979 | Inactive |
| HAROLD MCCRAY & SONS, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Oct 29, 1979 | Inactive |
| LAFAYETTE COUNTY ENTERPRISES, INC.Mayo, FL · Active | Mayo, FL | Corporation | Jan 22, 1980 | Active |
| KENNECO, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Feb 25, 1980 | Inactive |
| FLORIDA ETHANOL, INCORPORATEDMayo, FL · Inactive | Mayo, FL | Corporation | Feb 18, 1980 | Inactive |
| CUSTOM LOGGING CO., INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Apr 16, 1980 | Inactive |
| LAWSON ENTERPRISES OF NORTH FLORIDA, INCORPORATEDMayo, FL · Inactive | Mayo, FL | Corporation | May 5, 1980 | Inactive |
| MAYO FERTILIZER, INCORPORATEDMayo, FL · Active | Mayo, FL | Corporation | Aug 26, 1980 | Active |
| B. & M. HUNT CLUB, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Jun 16, 1981 | Inactive |
| N.E. THOMAS, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Jul 16, 1981 | Inactive |
| FLATWOODS HUNTING CLUB, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Jul 20, 1981 | Inactive |
| FLORIDA HOLSTEIN-FRIESIAN ASSOCIATION, INC.Mayo, FL · Inactive | Mayo, FL | Nonprofit | Nov 5, 1964 | Inactive |
| LAFAYETTE COUNTY HOME NURSING COUNCIL, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | May 17, 1966 | Inactive |
| THE HOLY SANCTIFIED CHURCH OF FATHER, SON AND HOLY GHOST, INC.Mayo, FL · Active | Mayo, FL | Nonprofit | Oct 4, 1968 | Active |
| CANOE COUNTRY HOMEOWNERS' ASSOCIATION, INC.Mayo, FL · Active | Mayo, FL | Nonprofit | Nov 23, 1977 | Active |
| LAFAYETTE COUNTY CHAMBER OF COMMERCE, INC.Mayo, FL · Inactive | Mayo, FL | Nonprofit | Apr 18, 1980 | Inactive |
| AMERICAN LEGION POST #105, INC.Mayo, FL · Inactive | Mayo, FL | Nonprofit | Aug 27, 1980 | Inactive |
| LAFAYETTE BREEDERS ASSOCIATIONLocation not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jun 12, 1967 | Inactive |
| LAFAYETTE COUNTY DAIRY ASSOCIATIONMayo, FL · Inactive | Mayo, FL | Nonprofit | Jun 12, 1967 | Inactive |
| DLT BARN CLUBMayo, FL · Inactive | Mayo, FL | Nonprofit | May 17, 1965 | Inactive |
| LAFAYETTE COUNTY FARM BUREAU, LAAMayo, FL · Inactive | Mayo, FL | Nonprofit | Oct 20, 1959 | Inactive |
| R.O. CONTRACTING COMPANYMayo, FL · Inactive | Mayo, FL | Corporation | May 14, 1974 | Inactive |
| JACKLAND LLLPMayo, FL · Inactive | Mayo, FL | Partnership | Jun 20, 2006 | Inactive |
| LIVE OAK COMMANDERY NO. 11, KNIGHTS TEMPLARMayo, FL · Inactive | Mayo, FL | Nonprofit | Nov 19, 1992 | Inactive |
| LIVE OAK CHAPTER NO. 25, ROYAL ARCH MASONSMayo, FL · Inactive | Mayo, FL | Nonprofit | Nov 19, 1992 | Inactive |
| LIVE OAK COUNCIL NO. 16, ROYAL AND SELECT MASTERSMayo, FL · Inactive | Mayo, FL | Nonprofit | Nov 19, 1992 | Inactive |
| KEYSTONE KASTING, INC.Middleburg, FL · Inactive | Middleburg, FL | Corporation | Dec 12, 1980 | Inactive |
| DEFENSE INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Apr 13, 2015 | Inactive |
| WHERE EVERY ANIMAL HAS A HOME, INC.Mayo, FL · Inactive | Mayo, FL | Nonprofit | May 7, 2018 | Inactive |
| NORTH FLORIDA DAIRY ENTERPRISES, INCORPORATEDMayo, FL · Inactive | Mayo, FL | Corporation | Oct 28, 1981 | Inactive |
| SHIVER'S DAIRY FARM INC.Mayo, FL · Active | Mayo, FL | Corporation | Dec 10, 1981 | Active |
| PAGE ELECTRIC, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Aug 30, 1982 | Inactive |
| POWELL ROOFING, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Oct 18, 1983 | Inactive |
| GEN-NELL, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Nov 30, 1983 | Inactive |
| PAGE BROS. AUTO SUPPLY, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Oct 29, 1984 | Inactive |
| LAFAYETTE FOREST PRODUCTS, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Jan 23, 1985 | Inactive |
| MADISON NEWSPAPERS, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Apr 4, 1985 | Inactive |
| COLONIAL CYPRESS, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Sep 24, 1985 | Inactive |
| J & J GAS SERVICE, INC.Mayo, FL · Active | Mayo, FL | Corporation | Dec 11, 1985 | Active |
| J & M CONSOLIDATED, INC.Mayo, FL · Active | Mayo, FL | Corporation | May 12, 1986 | Active |
| MAYO INDUSTRIES, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Jul 25, 1986 | Inactive |
| JIM HOLLIS' ENTERPRISES, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Oct 7, 1986 | Inactive |
| NORTH FLORIDA ALERT, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Dec 4, 1986 | Inactive |
| R.O. CONTRACTING COMPANYMayo, FL · Inactive | Mayo, FL | Corporation | Jan 30, 1987 | Inactive |
| R.O. LAND COMPANYMayo, FL · Inactive | Mayo, FL | Corporation | Jan 30, 1987 | Inactive |
| J.L.H. ENTERPRISES, INC.Mayo, FL · Inactive | Mayo, FL | Corporation | Aug 26, 1987 | Inactive |