| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Piqua Municipal Power System | 5 | 25 | 28,680.00 |
| Retterbush Injection Molded Fiberglass Corp. | 1 | 1 | 4,237.00 |
| Hartzell Fan Inc. | 1 | 2 | 2,816.00 |
| Rocket Cleaners | 1 | 1 | 1,900.00 |
| Sunset Cleaners - Piqua | 1 | 1 | 1,500.00 |
| Sunbrite Cleaners | 1 | 1 | 900.00 |
| Sensient Imaging Techs. Inc./Formulabs | 2 | 4 | 254.00 |
| French Oil Mill Machinery Co. | 1 | 1 | 1.00 |