| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Isola Laminate Systems Ridgeway | 27 | 111 | 243,872.06 |
| Kosa Winnsboro | 25 | 56 | 148,575.70 |
| Mack Trucks Inc. Winnsboro Ops. | 6 | 10 | 56,100.60 |
| Palmetto Imaging Technology | 12 | 55 | 56,651.91 |
| Plastech Engineered | 10 | 16 | 89,273.90 |
| Satterfield Construction:# 3 | 26 | 47 | 81,800.90 |
| Sce&G:Parr (Jenkinsville) | 15 | 92 | 157,880.15 |
| Sce&G:Vc Summer Nuclear | 7 | 12 | 18,357.63 |
| Town Of Winnsboro:Electrical Division | 5 | 5 | 8,142.85 |
| Vulcan Materials:Blair Quarry | 1 | 4 | 1,580.00 |
| Winnsboro Veneer&Plywood-Closed | 29 | 58 | 44,297.74 |