| WM UNIVERSAL CAPITAL, LLCMiami, FL · Active | Miami, FL | LLC | Mar 29, 2016 | Active |
| TML FLORIDA HOLDINGS, LLCMiami, FL · Active | Miami, FL | LLC | Mar 24, 2016 | Active |
| LEGACY AVIATION HOLDINGS LLCSt. Petersburg, FL · Active | St. Petersburg, FL | LLC | May 24, 2021 | Active |
| CAPITAL INVESTMENT AND FINANCIAL GROUP LLCSt. Petersburg, FL · Active | St. Petersburg, FL | LLC | May 21, 2021 | Active |
| BLUE SKY AVIATION GROUP INCSt. Petersburg, FL · Active | St. Petersburg, FL | Corporation | Apr 27, 2021 | Active |
| J B S, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 12, 1970 | Inactive |
| SARASOTA VENDING CO.Sarasota, FL · Inactive | Sarasota, FL | Corporation | Aug 25, 1977 | Inactive |
| AVEMCO INSURANCE COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Jul 10, 1964 | Active |
| NASSAU LIFE AND ANNUITY COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Apr 15, 1982 | Active |
| DONOVAN DATA SYSTEMS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 26, 2001 | Inactive |
| MICHAEL DONOVAN CONSTRUCTION CO., INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 14, 2005 | Inactive |
| QUICKBASE, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Nov 22, 2017 | Active |
| STRAD USA INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Oct 31, 2018 | Active |
| SHAMROCK SECURITY SYSTEMS, INC.Ocala, FL · Inactive | Ocala, FL | Corporation | Oct 12, 1987 | Inactive |
| MIVIED, LLCRedington Shores, FL · Inactive | Redington Shores, FL | LLC | Nov 29, 2004 | Inactive |
| STUMPY'S STUMP GRINDING, LLCMerritt Island, FL · Inactive | Merritt Island, FL | LLC | Dec 19, 2005 | Inactive |
| CHRONOS ENTERPRISES, LLCTampa, FL · Inactive | Tampa, FL | LLC | Mar 28, 2017 | Inactive |
| 975 FLYING POINT ROAD, LLCPunta Gorda, FL · Inactive | Punta Gorda, FL | LLC | Aug 9, 2018 | Inactive |
| MYCYPRESSPL-40 LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Mar 8, 2019 | Active |
| OEBULLDOGSPAVERS, LLCEnglewood, FL · Inactive | Englewood, FL | LLC | Sep 10, 2019 | Inactive |
| MADD DONOVAN LLCCoral Springs, FL · Inactive | Coral Springs, FL | LLC | Feb 11, 2020 | Inactive |
| TRINITY ROOFING GROUP, LLCCape Coral, FL · Inactive | Cape Coral, FL | LLC | Jan 3, 2023 | Inactive |
| EBD PARTNERS, LLCBradenton, FL · Active | Bradenton, FL | LLC | Dec 12, 2025 | Active |
| DONOVAN SUPPLY CHAIN CONSULTING, LLCWesley Chapel, FL · Active | Wesley Chapel, FL | LLC | Jan 22, 2026 | Active |
| DONOVAN ROOFING AND CONSTRUCTION, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Sep 29, 2017 | Active |
| DIAMOND DAVE'S BARBECUE, INC.Fort Lauderdale, FL · Inactive | Fort Lauderdale, FL | Corporation | Feb 24, 1988 | Inactive |
| MIRACLE BABY'S ANGELS INCORPORATEDTampa, FL · Inactive | Tampa, FL | Nonprofit | Jun 5, 2024 | Inactive |
| ESTATES AT LAKE VIEW PROPERTY OWNERS' ASSOCIATION, INC.Apollo Beach, FL · Active | Apollo Beach, FL | Nonprofit | Aug 10, 1998 | Active |
| LITTLE SMILES, INC.Palm Beach Gardens, FL · Active | Palm Beach Gardens, FL | Nonprofit | Mar 11, 1999 | Active |
| PDS ORGANIZATIONAL CONSULTING, INC.Safety Harbor, FL · Inactive | Safety Harbor, FL | Corporation | Apr 11, 2001 | Inactive |
| NORTHERN FLORIDA AVIATION, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Mar 6, 2007 | Inactive |
| ARIS GROUP, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Mar 1, 2011 | Inactive |
| MICHAEL DONOVAN PAINTING INCFloral City, FL · Inactive | Floral City, FL | Corporation | Aug 12, 2013 | Inactive |
| M.P. DONOVAN CONSTRUCTION INC.Fort Lauderdale, FL · Inactive | Fort Lauderdale, FL | Corporation | Feb 25, 1999 | Inactive |
| MONTVALE CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 18, 1991 | Inactive |