| Collins Products Llc | 100 | 583 | 3,041,827.48 |
| Jeld-Wen, Inc. Dba Jeld-Wen | 82 | 294 | 1,628,039.66 |
| Columbia Forest Products, Inc. | 80 | 219 | 640,970.02 |
| Aqua Glass West, Inc. | 50 | 99 | 498,337.81 |
| Crown Pacific Limited Partnership | 76 | 97 | 2,786,816.12 |
| Gas Transmission Northwest Corporation | 39 | 78 | 1,379,431.99 |
| Gas Transmission Northwest Corporation | 39 | 78 | 675,134.77 |
| Bly Disposal Site | 28 | 28 | 2,326.67 |
| Beatty Disposal Site | 28 | 28 | 2,919.09 |
| Klamath Falls Landfill | 28 | 28 | 6,889.21 |
| Langell Valley Transfer Station | 28 | 28 | 461.64 |
| Malin Landfill | 28 | 28 | 2,326.67 |
| Chemult Disposal Site | 28 | 28 | 2,326.67 |
| Sprague River Disposal Site | 28 | 28 | 461.64 |
| Cresent Landfill | 28 | 28 | 461.64 |
| Jeld-Wen, Inc. | 7 | 7 | 0.00 |
| Columbia Plywood Corp. | 2 | 2 | 890.00 |
| Village Cleaners | 1 | 1 | 540.00 |
