| ATLANTIC RECOVERY SOLUTION SERVICES, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Jun 6, 2025 | Inactive |
| MAYPORT YACHT BASIN INCMayport, FL · Inactive | Mayport, FL | Corporation | Jun 9, 1959 | Inactive |
| MISS JACKSONVELLE, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 25, 1971 | Inactive |
| W. R. PARKER & SONS, INC.Mayport, FL · Inactive | Mayport, FL | Corporation | Jul 19, 1978 | Inactive |
| MAYPORT AREA FIRE DEPARTMENT, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Feb 14, 1966 | Inactive |
| NORTHEAST FLORIDA SHRIMP ASSOCIATION, INC.Mayport, FL · Inactive | Mayport, FL | Nonprofit | Oct 11, 1974 | Inactive |
| THE PILOT HOUSE OF MAYPORT, INC.Mayport, FL · Inactive | Mayport, FL | Corporation | Dec 3, 1981 | Inactive |
| EBERHARDT'S SEAFOOD COMPANYMayport, FL · Inactive | Mayport, FL | Corporation | May 17, 1982 | Inactive |
| LORD CHRIST CORP.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Dec 6, 1996 | Inactive |
| MAYPORT KINGFISH TOURNAMENTS, INC.Mayport, FL · Inactive | Mayport, FL | Corporation | Aug 15, 1983 | Inactive |
| ADAM'S WELDING, INCORPORATEDMayport, FL · Inactive | Mayport, FL | Corporation | Sep 28, 1987 | Inactive |
| KARE CONSULTING GROUP LLCMicanopy, FL · Active | Micanopy, FL | LLC | Jul 21, 2026 | Active |
| LADY BEATRICE, INC.Mayport, FL · Inactive | Mayport, FL | Corporation | May 17, 1988 | Inactive |
| STARK MINISTRY INTERNATIONAL, INC.Mayport, FL · Inactive | Mayport, FL | Nonprofit | Dec 2, 1987 | Inactive |
| MAYPORT PRESERVATION SOCIETY, INC.Mayport, FL · Inactive | Mayport, FL | Nonprofit | Jun 29, 1990 | Inactive |
| SEA FRONTIER, INC.Mayport, FL · Inactive | Mayport, FL | Corporation | Aug 28, 2001 | Inactive |
| LET'S GET IT CONSTRUCTION, INC.Mayport, FL · Inactive | Mayport, FL | Corporation | Jul 9, 2004 | Inactive |
| PINZON & ASSOCIATES, INC.Jacksonivlle, FL · Inactive | Jacksonivlle, FL | Corporation | Nov 8, 2004 | Inactive |
| HAILE TECHNOLOGY INC.Micanopy, FL · Inactive | Micanopy, FL | Corporation | Jan 2, 2007 | Inactive |
| MAYPORT VILLAGE SEAFOOD HOUSE, INC.Mayport, FL · Inactive | Mayport, FL | Corporation | Apr 1, 1994 | Inactive |
| THE PESCADO POTTERY COMPANY, INC.Mayport Village, FL · Inactive | Mayport Village, FL | Corporation | Mar 8, 1999 | Inactive |