| AMERICA 1 INDUSTRIES LLC | 1241 GNAT POND ROAD LEIGHTON | Colbert | AIR- SYNTHETIC MINOR SOURCE |
| FLEXCO CORPORATION | PLANT NO 2 1401 EAST 6TH ST TUSCUMBIA | Colbert | AIR- SYNTHETIC MINOR SOURCE |
| GIPSON AUTO CORES LLC | 2338 COLBURN MILL ROAD RUSSELLVILLE | Colbert | WATER- NPDES INDUST GENERAL |
| TENNESSEE VALLEY AUTHORITY | CONSTRUCTION PERMITS AND 401 WQ COLBERT COUNTY | Colbert | WATER- CONSTRUCTION STORMWATER |
| TENNESSEE VALLEY AUTHORITY TRANSPORTATION SERVICES | HEAVY EQUIP DIV TSS RIVER RD MUSCLE SHOALS | Colbert | LAND- TRANSPORT |
| VESTIS | AMERIPRIDE SERVICE LLC 805 NORTH HOOK STREET TUSCUMBIA | Colbert | WATER- UIC |