| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Hudapack Metal Treating Of Illinois Inc | 39 | 41 | 1,684.49 |
| Glen Oaks Medical Center | 37 | 37 | 24,424.20 |
| Chicago Blower Corp | 23 | 23 | 27,322.82 |
| Unitech Prepress Solutions Inc | 7 | 14 | 1,470.53 |
| Marquardt School-District 15 | 8 | 8 | 1,000.31 |
| Vallis - Champion | 2 | 2 | 94.44 |
| Webster-Hoff Corp. | 1 | 2 | 500.00 |
| Itw/Meyercord Ctg | 1 | 2 | 38,940.00 |
| Goding Electric Co | 1 | 1 | 60.00 |
| Dupage Machine | 1 | 1 | 13,492.00 |