| Colorado Interstate Gas _ Elk Basin | 3 | 6 | 144,400.00 |
| Dakota Coal Co._frannie Lime Plant | 3 | 3 | 71,800.00 |
| Encana Energy-Heart Mtn | 7 | 9 | 135,120.00 |
| Howell Pet Corp_elk Basin Gas Plant | 8 | 31 | 3,477,864.05 |
| Marathon Oil Co _ Oregon Basin Gas Plant | 3 | 7 | 627,600.01 |
| Merit Energy-Halfmoon Station | 5 | 8 | 1,148,600.02 |
| Park County Swdd / Clark #2 Landfill | 28 | 28 | 413.61 |
| Park County Swdd / Cody Landfill | 28 | 28 | 2,215.88 |
| Park County Swdd / Meeteetse Landfill | 28 | 28 | 443.18 |
| Park County Swdd / Powell Landfill | 28 | 28 | 1,323.57 |
| Williston Basin Ipc _ Elk Basin Comp Stn | 8 | 22 | 214,960.00 |
| Wyoming Lime Producers | 2 | 4 | 5.61 |
