| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Dynic Usa Corp. | 2 | 4 | 8,800.00 |
| Glacier Northwest Inc. Hillsboro Ready-Mix Plant | 1 | 1 | 0.00 |
| Hillsboro Cleaners | 1 | 1 | 370.00 |
| Hillsboro Landfill | 28 | 28 | 1,959.15 |
| Integrated Device Tech. Inc. | 3 | 3 | 21,757.00 |
| Intel Corp. Ronler Acres Campus | 5 | 9 | 11,743.80 |
| Masterbrand Cabinets, Inc. | 9 | 15 | 415,552.41 |
| New Star Cleaners | 1 | 1 | 348.00 |
| Ohka America Inc. | 1 | 1 | 487.06 |
| Oregon Roses, Inc | 64 | 99 | 31.43 |
| Professional Dry Cleaners | 1 | 1 | 95.00 |
| Quality Production Ltd. | 1 | 1 | 5.00 |
| Radisys Corp. Dawson Creek | 1 | 2 | 2.00 |
| Regal Cleaners | 1 | 1 | 117.00 |
| Rock Creek Cleaners | 1 | 1 | 945.00 |