| SMSeminole Machine & Welding, INC. | Largo | — | ◇ UNVERIFIED |
| SPSen-dure Products INC | Fort Lauderdale | — | ◇ UNVERIFIED |
| SISermatech Internations INC. | Boynton Beach | — | ◇ UNVERIFIED |
| SSSiw Solutions LLC | West Palm Beach | — | ◇ UNVERIFIED |
| SISix2 INC | Hawthorne | — | ◇ UNVERIFIED |
| SSSmi Steel Fabricators, INC. Dba Cmc Rebar-orlando | Kissimmee | — | ◇ UNVERIFIED |
| SDSolitron Devices INC | Riviera Beach | — | ◇ UNVERIFIED |
| SMSoutheastern Metals | Jacksonville | — | ◇ UNVERIFIED |
| SRSoutheastern Rack Company | Vero Beach | — | ◇ UNVERIFIED |
| SDSouthern Die Casting CORP | Miami | — | ◇ UNVERIFIED |
| SESouthern Erectors INC | Pensacola | — | ◇ UNVERIFIED |
| SMSouthern Machinery CORP | Lakeland | — | ◇ UNVERIFIED |
| SPSouthern Painting & Blasting LLC | Casselberry | — | ◇ UNVERIFIED |
| SSSouthern Structural Steel of Fl, INC | Saint Petersburg | — | ◇ UNVERIFIED |
| SMSpartech Marine Industries Florida | Rockledge | — | ◇ UNVERIFIED |
| STSpecialty Tank & Equip CO | Jacksonville | — | ◇ UNVERIFIED |
| SCSst Custom Fabricators | Okeechobee | — | ◇ UNVERIFIED |
| SBStanley Black & Decker | Riverview | — | ◇ UNVERIFIED |
| SFSteel Fabricators L.l.c. | Fort Lauderdale | — | ◇ UNVERIFIED |
| SLSt Lucie County International Airport | Fort Pierce | — | ◇ UNVERIFIED |
| SHSuncoast Heat Treat INC | Palm Beach Gardens | — | ◇ UNVERIFIED |
| SMSuncoast Metal LLC | Sarasota | — | ◇ UNVERIFIED |
| SWSunshine Welding | Cape Canaveral | — | ◇ UNVERIFIED |
| SWSunshine Welding-main | Cape Canaveral | — | ◇ UNVERIFIED |
| SWSunshine Welding, Scallop | Port Canaveral | — | ◇ UNVERIFIED |
| SFSuperior Fabrication & Welding LLC | Punta Gorda | — | ◇ UNVERIFIED |
| TATampa Amalgamated Steel | Tampa | — | ◇ UNVERIFIED |
| TGTechnetics Group Daytona | Daytona Beach | — | ◇ UNVERIFIED |
| TTechnichrome | Titusville | — | ◇ UNVERIFIED |
| TSTesla Service Center | Pensacola | — | ◇ UNVERIFIED |
| TIThe Iron Shop | Venice | — | ◇ UNVERIFIED |
| TRThe Rolling Stock Company | Sarasota | — | ◇ UNVERIFIED |
| TWTm Window & Door Company | Pompano Beach | — | ◇ UNVERIFIED |
| TETransportation Equipment Specialist, INC | Jacksonville | — | ◇ UNVERIFIED |
| TFTrojan Florida Powder Coating Company | Sarasota | — | ◇ UNVERIFIED |
| TMTucker's Machine and Steel Service INC. | Leesburg | — | ◇ UNVERIFIED |
| TCTurner Coatings INC. | Mulberry | — | ◇ UNVERIFIED |
 Uct Coatings INC | Stuart | — | ◇ UNVERIFIED |
| UTUnion Tag Manufacturing | Raiford | — | ◇ UNVERIFIED |
| USUnited Steel Works, INC. | Clearwater | — | ◇ UNVERIFIED |
| UPUS Pipe Fabrication | Orlando | — | ◇ UNVERIFIED |
| UPU.s. Pipe Fabrication, LLC | Orlando | — | ◇ UNVERIFIED |
 Van Linda Iron Works INC | Lake Worth | — | ◇ UNVERIFIED |
| WSWalker Station Equipment Company LLC | Tavares | — | ◇ UNVERIFIED |
| WNWartsila N.a. INC. | Fort Lauderdale | — | ◇ UNVERIFIED |
| WIWastequip, INC. | Mulberry | — | ◇ UNVERIFIED |
| WMWastequip Manufacturing Company LLC | Lakeland | — | ◇ UNVERIFIED |
| WBWeatherguard Building Products, INC. | West Palm Beach | — | ◇ UNVERIFIED |
| WEWeedon Engineering Co, INC | Jacksonville | — | ◇ UNVERIFIED |
| WMWeeks Machine Shop | Venice | — | ◇ UNVERIFIED |
