| SRSmyrna Ready Mix Concrete, LLC - Srm Plant #151 | Mulberry | — | ◇ UNVERIFIED |
| SSStandard Sand & Silica Company | Lake Wales | — | ◇ UNVERIFIED |
| TATarmac America-green Bay Rmc Plant | Davenport | — | ◇ UNVERIFIED |
| TFTitan Florida LLC - Green Bay Ready Mix Plant | Davenport | — | ◇ UNVERIFIED |
| TLTremron - Lakeland, Fl Plant | Lakeland | — | ◇ UNVERIFIED |
| TITrenwa INC | Lakeland | — | ◇ UNVERIFIED |
| VNValmont Newmark INC | Bartow | — | ◇ UNVERIFIED |
| VNValmont Newmark Small Pole Facility | Fort Meade | — | ◇ UNVERIFIED |
| VPVcna Prestige Concrete-davenport | Davenport | — | ◇ UNVERIFIED |
| VPVcna Prestige Concrete-lakeland | Lakeland | — | ◇ UNVERIFIED |
| ADAuburndale DM | Auburndale | 20–99 | ◐ LIKELY ACTIVE |
| BBartow | Bartow | 100–499 | ◐ LIKELY ACTIVE |
| FMFort Meade FL | Fort Meade | 100–499 | ◐ LIKELY ACTIVE |
| LPLakeland Plant | Lakeland | 20–99 | ◐ LIKELY ACTIVE |
| LTLALP Tremron | Lakeland | 20–99 | ◐ LIKELY ACTIVE |
| SHSika Haines City | Haines City | 20–99 | ◐ LIKELY ACTIVE |
| WRWestlake Royal Roofing - Lake Wales | Lake Wales | 100–499 | ◐ LIKELY ACTIVE |
| AGAmerican Garden Perlite LLC | Lake Wales | — | ◇ UNVERIFIED |
| ACArquitectural Crete CORP | Dundee | — | ◇ UNVERIFIED |
| DRDennis R. Maxwell | Auburndale | — | ◇ UNVERIFIED |
| LALakeland Airport Temporary Ready Mix Plant | Lakeland | — | ◇ UNVERIFIED |
| LFLakeland Fl Fiber Tek | Lakeland | — | ◇ UNVERIFIED |
| MCMcMaster Concrete Products of Haines City, LLC (TDN Holdings, LLC | Haines City | — | ◇ UNVERIFIED |
| SIScrap It in Mulberry LLC | Mulberry | — | ◇ UNVERIFIED |
| SSStone Specialties, INC. | Lakeland | — | ◇ UNVERIFIED |
| SOStudio Oz, LLC | Winter Haven | — | ◇ UNVERIFIED |
| THTDN Holdings, LLC | Haines City | — | ◇ UNVERIFIED |
| VMVulcan Materials Company, Florida Rock Division | Bartow | — | ◇ UNVERIFIED |
 Wilbert Funeral Services, INC. | Mulberry | — | ◇ UNVERIFIED |
