| Basin Electric_laramie River Station | 79 | 285 | 80,702,398.09 |
| Pacificorp_jim Bridger | 78 | 265 | 131,755,728.25 |
| Pacificorp_naughton Power Plant | 82 | 256 | 72,073,454.87 |
| Pacificorp_dave Johnston | 77 | 180 | 80,234,061.50 |
| Sinclair Oil Corp-Sinclair Refinery | 21 | 153 | 11,764,139.19 |
| Black Hills Corporation_simpson 2 | 79 | 118 | 6,972,349.24 |
| Frontier Refining, Inc. | 14 | 110 | 5,138,636.42 |
| Pacificorp_wyodak | 79 | 97 | 31,841,904.62 |
| Sinclair Refinery - Casper | 14 | 90 | 3,806,642.29 |
| General Chemical | 11 | 65 | 20,838,599.68 |
| Kinder Morgan_douglas Gas Plant | 14 | 64 | 1,026,605.01 |
| Williams Field Services _ Echo Springs | 16 | 59 | 508,700.01 |
| Bp America _ Anschutz Ranch East | 9 | 53 | 1,564,240.01 |
| Colorado Interstate Gas_rawlins Comp | 5 | 52 | 429,398.99 |
| Wyoming Refining Co_newcastle Refinery | 13 | 51 | 1,908,251.20 |
| Kinder Morgan Igt_casper Extraction | 15 | 48 | 376,591.00 |
| Williams Field Svcs_opal Plant | 18 | 48 | 707,279.99 |
| Dyno Nobel Inc. - Cheyenne Plant | 7 | 45 | 1,285,178.00 |
| Oci (Rhone_poulenc) Wyoming | 16 | 41 | 7,602,511.05 |
| Western Gas_hilight (Md_124) | 5 | 38 | 850,281.00 |
| Duke Energy Fld Svcs _ Patrick Draw | 3 | 36 | 228,220.00 |
| Tbi Field Services_pavillion Stn | 13 | 35 | 213,099.00 |
| Solvay Minerals, Inc. | 12 | 34 | 10,747,019.84 |
| Mountain Gas Resources_granger Gas Plant | 5 | 32 | 666,726.00 |
| Howell Pet Corp_elk Basin Gas Plant | 8 | 31 | 3,477,864.05 |
| Exxon Shute Creek I | 4 | 31 | 18,165,599.89 |
| Lincoln Cty Wy-Thayne Sanitary Landfill | 29 | 29 | 19,526.67 |
| Merit Energy_luckey Ditch Gas Plant | 3 | 29 | 36,000.00 |
| Newcastle #2 Landfill | 28 | 28 | 575.15 |
| Upton #4 Landfill | 28 | 28 | 2,921.92 |
| Fmc Soda Ash Facility-Green River Plant | 10 | 28 | 998,039.98 |
| Bairoil #2 Landfill | 28 | 28 | 461.64 |
| Wamsutter #2 Landfill | 28 | 28 | 271.68 |
| Sweetwater County Swdd / Point Of Rocks Lf | 28 | 28 | 324.45 |
| Sweetwater County Swdd / Reliance Lf | 28 | 28 | 3,641.00 |
| Sweetwater County Swdd / Superior Lf | 28 | 28 | 324.45 |
| Eden Valley Swdd Landfill | 28 | 28 | 337.37 |
| Granger #1 Landfill | 28 | 28 | 4,514.35 |
| Teton County / Horsethief Canyon #1 | 28 | 28 | 1,499.58 |
| Uinta County / Bridger Valley Landfill | 28 | 28 | 1,573.13 |
| Uinta County / Evanston Landfill | 28 | 28 | 2,035.28 |
| Ten Sleep Swdd / Ten Sleep #1 Landfill | 28 | 28 | 461.64 |
| Weston County Dump / Central Landfill | 28 | 28 | 136.45 |
| Lincoln County / Cokeville Landfill | 28 | 28 | 357.01 |
| Lincoln County / Kemmerer South Landfill | 28 | 28 | 2,826.69 |
| Salt Creek Joint Powers Board Landfill | 28 | 28 | 654.68 |
| Natrona County Parks / Alcova #2 Landfill | 28 | 28 | 136.45 |
| Park County Swdd / Powell Landfill | 28 | 28 | 1,323.57 |
| Park County Swdd / Meeteetse Landfill | 28 | 28 | 443.18 |
| Eastern Laramie County Sw Disposal District | 28 | 28 | 701.90 |
| Fremont County Swdd / Dubois #1 | 28 | 28 | 369.31 |
| Torrington Disposal Service Landfill | 28 | 28 | 2,670.81 |
| Lagrange Landfill | 28 | 28 | 720.24 |
| Lingle Landfill | 28 | 28 | 271.68 |
| Fort Laramie #2 Landfill | 28 | 28 | 297.54 |
| Thermopolis Landfill | 28 | 28 | 139.11 |
| Cheyenne Landfill | 28 | 28 | 1,605.24 |
| F. E. Warren Air Force Base Landfill | 28 | 28 | 324.45 |
| Kaycee Landfill | 28 | 28 | 461.64 |
| Buffalo #1 Landfill | 28 | 28 | 1,218.23 |
| Park County Swdd / Clark #2 Landfill | 28 | 28 | 413.61 |
| Labarge Landfill | 28 | 28 | 352.46 |
| Manville #2 Landfill | 28 | 28 | 669.07 |
| Guernsey Landfill | 28 | 28 | 662.16 |
| Wheatland #2 Landfill | 28 | 28 | 1,229.68 |
| Glendo #2 Landfill | 28 | 28 | 297.54 |
| Sublette County / Daniel Junction Lf | 28 | 28 | 222.97 |
| Clearmont Landfill | 28 | 28 | 352.46 |
| Sheridan Expansion Landfill | 28 | 28 | 1,723.41 |
| Sublette County / Pinedale #1 Landfill | 28 | 28 | 735.21 |
| Park County Swdd / Cody Landfill | 28 | 28 | 2,215.88 |
| Sublette County / Marbleton #1 Landfill | 28 | 28 | 136.45 |
| Sublette County / Marbleton-Big Piney Lf | 28 | 28 | 3,693.13 |
| Fremont County Swdd / Shoshoni Lf & Ts | 28 | 28 | 184.66 |
| Fremont County Swdd / Sand Draw Lf | 28 | 28 | 961.74 |
| Baggs Solid Waste Disposal Site | 28 | 28 | 230.75 |
| Fremont County Swdd / Lander Landfill | 28 | 28 | 473.18 |
| Torrington #2 Landfill | 28 | 28 | 1,477.25 |
| Fremont County Swdd / Hudson | 28 | 28 | 305.29 |
| Douglas Landfill | 28 | 28 | 1,735.27 |
| Sundance Sanitary Landfill | 28 | 28 | 441.68 |
| Moorcroft Sanitary Landfill #2 | 28 | 28 | 411.96 |
| Glenrock #1 Landfill | 28 | 28 | 440.03 |
| Rawlins Landfill | 28 | 28 | 2,117.27 |
| Dixon Landfill | 28 | 28 | 136.45 |
| Encampment Landfill/Ts Since 1997 | 28 | 28 | 476.41 |
| Sinclair #2 Landfill | 28 | 28 | 297.54 |
| High Country Joint Powers Board Lf | 28 | 28 | 357.01 |
| Saratoga Landfill | 28 | 28 | 517.34 |
| Shirley Basin Landfill | 28 | 28 | 297.54 |
| Campbell County Balefill #2 Ts Since 1997 | 28 | 28 | 2,925.82 |
| Big Horn County Solid Waste District South | 28 | 28 | 2,872.19 |
| Laramie Landfill | 28 | 28 | 4,044.93 |
| Rock River #2 Landfill | 28 | 28 | 461.64 |
| Shell Landfill | 28 | 28 | 297.54 |
| Manderson #2 Landfill | 28 | 28 | 297.54 |
| Hyattville Landfill | 28 | 28 | 297.54 |
| Emblem / Burlington Landfill | 28 | 28 | 381.61 |
| Devon Sfs Operating_beaver Creek | 8 | 27 | 474,293.00 |
| Williston Basin Ipc_worland Comp Stn | 8 | 25 | 604,960.00 |
| Bp America - Whitney Canyon | 7 | 24 | 18,563,720.50 |
| Hiland Partners, Llc_hiland Gas Plant | 9 | 24 | 713,629.02 |
| Wexpro Canyon Creek/Vermillion | 3 | 24 | 511,200.00 |
| Fmc Corp_green River Plant_sodium Prod | 6 | 24 | 10,660,619.80 |
| Western Gas Resources _ Kitty Plant | 3 | 24 | 376,046.00 |
| Williston Basin Ipc _ Elk Basin Comp Stn | 8 | 22 | 214,960.00 |
| Western Sugar Coop_torrington Plant | 6 | 21 | 523,713.00 |
| Bitter Creek Pipelines-Landeck Central | 8 | 21 | 120,579.00 |
| Kinder Morgan _ross Booster | 11 | 21 | 131,450.00 |
| Kinder Morgan_hogs Draw Station | 11 | 21 | 146,895.00 |
| Kinder Morgan Igt-Sand Draw Comp Stn | 14 | 20 | 34,516.00 |
| Kinder Morgan_west Porcupine Stn | 13 | 20 | 327,381.01 |
| Questar Gas Mgmt_blacks Fork Gas Plant | 7 | 20 | 293,054.40 |
| Kinder Morgan_teckla Booster | 11 | 19 | 141,119.00 |
| Kinder Morgan_powell | 11 | 19 | 137,899.00 |
| Williams Field Services_saddle Ridge | 6 | 19 | 527,440.00 |
| Bear Paw Energy - Prairie Dog Booster | 3 | 19 | 388,380.00 |
| Western Gas Resources - Little Thunder | 2 | 19 | 303,200.00 |
| Kinder Morgan_amos Draw Booster | 13 | 18 | 87,647.00 |
| Kinder Morgan_archibald Booster | 11 | 18 | 98,070.40 |
| Migc, Inc_bonepile Comp Stn | 3 | 18 | 187,246.00 |
| Kinder Morgan_gopher Station | 13 | 18 | 638,068.99 |
| Kinder Morgan_hay Booster Stn | 12 | 18 | 141,967.00 |
| Mountain Gas Resources_ Fontenelle | 3 | 18 | 359,799.99 |
| Northwest Pipeline _ Green River | 8 | 17 | 24,393.40 |
| Chevron Carter Creek | 5 | 17 | 1,807,352.02 |
| Cordero Mine | 13 | 17 | 8,627.14 |
| Kinder Morgan Igt_guernsey | 14 | 17 | 212,262.00 |
| Sf Phosphates, Inc | 7 | 17 | 4,206,599.91 |
| Williams Fld Svcs_labarge Compressor Stn | 13 | 17 | 28,080.00 |
| Northwest Pipeline_kemmerer Compr Stn | 8 | 16 | 132,956.40 |
| Louisiana Pacific_saratoga Mill | 11 | 16 | 202,616.00 |
| Merit Ener_north Buck Draw Unit#13_17 | 3 | 15 | 45,740.00 |
| Kinder Morgan_scott | 11 | 15 | 206,670.99 |
| Kinder Morgan_irwin Ranch Station | 10 | 15 | 211,071.00 |
| Questar_rock Springs Complex | 3 | 15 | 63,200.00 |
| Colorado Interstate Gas_desert Springs | 4 | 15 | 137,036.00 |
| Questar Pipeline_ Eakin Station | 7 | 15 | 14,309.20 |
| Williams Field Svcs_frewen Lake Comp Stn | 9 | 15 | 178,328.00 |
| Black Hills Corporation _osage | 8 | 15 | 5,784,799.35 |
| Chevron Usa_waltman Unit 16 | 2 | 15 | 48,240.00 |
| Duke Energy Fld Svcs_emigrant Trail | 3 | 14 | 221,580.00 |
| Conoco - Casper Pump Station | 6 | 14 | 112,442.00 |
| Burlington Resources_lost Cabin | 3 | 14 | 7,578,600.03 |
| American Colloid_west Colony | 10 | 14 | 109,527.60 |
| Kinder Morgan_ha Creek Booster Stn | 10 | 14 | 63,843.00 |
| Kinder Morgan_house Creek Booster | 11 | 14 | 230,962.00 |
| Colorado Interstate Gas_laramie Comp Stn | 3 | 14 | 222,300.00 |
| Kinder Morgan_thunder Creek Booster | 10 | 13 | 262,643.99 |
| Thunder Creek Gas Svcs-Fb1156 | 2 | 13 | 122,980.00 |
| Kinder Morgan_ Bunker Hill | 10 | 13 | 42,068.00 |
| Wyoming Medical Center | 10 | 13 | 2,047.95 |
| Ondeo Nalco Energy Services | 7 | 13 | 1,820.00 |
| Kaneb Pipe Line_cheyenne Terminal | 10 | 13 | 220,484.60 |
| Silver Eagle Refining-Evanston | 7 | 13 | 5,647.99 |
| Fmc Wyoming Corp _ Soda Ash Plant | 10 | 13 | 398,230.00 |
| Western Gas Resources-Hay Creek Station | 2 | 13 | 201,960.00 |
| Rocky Mountain Pls_wamsutter Station | 8 | 12 | 93,268.00 |
| Wyoming Pipeline Co_mush Creek Station | 9 | 12 | 476,133.01 |
| Crown Cork And Seal Co_worland Plant #2 | 5 | 12 | 329,600.00 |
| American Colloid_east Colony | 9 | 12 | 282,282.81 |
| Mountain Cement Co | 9 | 12 | 2,411,432.96 |
| American Colloid Co_lovell | 10 | 12 | 66,614.00 |
| Georgia Pacific_gypsum Plant | 4 | 11 | 48,523.00 |
| Williston Basin Ipc_lovell Compr Station | 7 | 11 | 86,800.00 |
| Bear Paw Energy-Antelope Valley Cs | 3 | 11 | 138,400.00 |
| Sinclair Oil_bairoil Station | 7 | 11 | 173,405.00 |
| Amer Colld_upton Plant | 10 | 11 | 45,413.00 |
| Bitter Creek Ppl-Gladewater Central | 1 | 11 | 86,900.00 |
| Big West Oil & Gas -North Grieve | 2 | 11 | 189,520.00 |
| Wyoming Interstate Gas Co_baxter Comp St | 3 | 11 | 91,800.00 |
| Anadarko E&P Co-Table Rock Gas Plant | 5 | 10 | 119,258.00 |
| P4 Production_rock Springs Facility | 8 | 10 | 1,741,487.39 |
| Overland Trail_north Baxter Comp Stn | 6 | 10 | 123,879.00 |
| Wyoming Sugar Company_worland Plant | 4 | 10 | 282,650.01 |
| Rocky Mountain Pls_medicine Bow Station | 8 | 10 | 186,400.00 |
| Rocky Mountain Pls_granger Station | 8 | 10 | 80,637.00 |
| Colorado Interstate Gas_muddy Gap Comp | 2 | 10 | 12,640.00 |
| Uw Centrl Heat Plant | 3 | 9 | 291,760.00 |
| Wyoming Penitentiary | 3 | 9 | 840.00 |
| Western Sugar_lovell | 4 | 9 | 75,358.00 |
| Paladin Energy-Silo Gas Plant | 2 | 9 | 39,400.00 |
| Encana Energy-Heart Mtn | 7 | 9 | 135,120.00 |
| Mountain Gas Resources_red Desert Plant | 3 | 9 | 62,800.00 |
| Western Gas Resources-Storm Shelter Cmp | 3 | 8 | 153,600.00 |
| Questar Gas Mgmt_south Baxter Compr Stat | 3 | 8 | 92,800.00 |
| Williams Fld Svcs_eight Mile Lake Stn | 2 | 8 | 200,040.00 |
| Conoco - Sheridan | 2 | 8 | 103,040.00 |
| Rocky Mountain Pls_labarge Station | 8 | 8 | 352,539.99 |
| Merit Energy-Halfmoon Station | 5 | 8 | 1,148,600.02 |
| Thunder Creek Gas Svcs-South Kitty | 2 | 8 | 18,620.00 |
| Interline_well Draw Gas Plant | 2 | 8 | 18,700.00 |
| Neiman Sawmill | 3 | 8 | 270,400.00 |
| Western Gas Resources-Black Thunder Cs | 2 | 7 | 75,980.00 |
| Thunder Basin Coal_black Thunder | 3 | 7 | 121,800.00 |
| Questar Pipeline _ Dry Piney | 5 | 7 | 206,649.99 |
| Colorado Interstate Gas_table Rock Comp | 3 | 7 | 105,200.00 |
| Western Gas Resources-Porcupine Booster | 2 | 7 | 222,739.99 |
| Marathon Oil Co _ Oregon Basin Gas Plant | 3 | 7 | 627,600.01 |
| Belle Fourche Pipeline_donkey Creek | 1 | 7 | 485,200.00 |
| Migc _ Reihmann Comp Station | 2 | 6 | 57,040.00 |
| Sheridan Va Medical Center - Heating Plt | 3 | 6 | 89,600.00 |
| Southern Star Central _ Riner | 3 | 6 | 98,200.00 |
| Univar Usa | 3 | 6 | 244.00 |
| Williams Field Services_hares Ear | 3 | 6 | 41,800.00 |
| Colorado Interstate Gas _ Elk Basin | 3 | 6 | 144,400.00 |
| Univar Usa | 3 | 6 | 423.00 |
| Black Hills Corporation Simpson 1 | 5 | 6 | 2,221,594.90 |
| Williston Basin _ Billy Creek Compressor | 2 | 6 | 91,160.00 |
| Migc_crossbow | 2 | 5 | 85,220.00 |
| Conoco - Rock Springs | 2 | 5 | 131,600.00 |
| Colorado Interstate Gas_lost Cabin/Madde | 2 | 5 | 10,600.00 |
| Kern River Gas Trans. _ Muddy Creek | 1 | 5 | 8,800.00 |
| Santa Fe Snyder-Baggs Mainline Station | 2 | 4 | 63,920.00 |
| Kern River Gas _ Painter Reservoir | 2 | 4 | 3,200.00 |
| Wyoming Lime Producers | 2 | 4 | 5.61 |
| Northwest Pipeline_muddy Creek Comp Stn | 3 | 4 | 33,559.20 |
| Migc, Inc._carter Comp Sta | 2 | 4 | 23,440.00 |
| Black Hills Bentonite _ Casper Plant | 3 | 3 | 37,000.00 |
| 44 Lumber And Timber | 3 | 3 | 423,300.00 |
| Buckingham Lumber | 3 | 3 | 482,700.01 |
| Black Hills Bentonite _ Mills Plant | 2 | 3 | 19,600.00 |
| Defense Techs. Corp. Of America | 2 | 3 | 6,330.21 |
| Triton Coal Co. L.L.C. North Rochelle Mine | 2 | 3 | 1.50 |
| Cig Wamsutter Stn | 2 | 3 | 28,000.00 |
| Union Tank Car Co._evanston Facility | 3 | 3 | 11,800.00 |
| Bentonite Corp_colony Plant | 3 | 3 | 65,800.00 |
| Dakota Coal Co._frannie Lime Plant | 3 | 3 | 71,800.00 |
| Aec Express Holdings_guernsey Station | 1 | 2 | 42,560.00 |
| M-I Drill Fluids | 1 | 2 | 142,199.99 |
| Aec Express Holdings _ Casper Stn | 1 | 2 | 142,800.00 |
| Crown Asphalt Prods. Co. Rawlins Asphalt Terminal | 1 | 2 | 0.31 |
| Western Fuels-Wyoming Inc. | 2 | 2 | 0.03 |
| Excal Inc. | 2 | 2 | 10.00 |
| U.S. Air Force Wyoming Ang | 1 | 2 | 14.99 |
| Bentonite Corp_lovell Plant | 2 | 2 | 95,200.00 |
| Platte Pl Co_chatham Station | 1 | 2 | 39,400.00 |
| Fmc Wyoming Corp_caustic Soda Plant | 2 | 2 | 4,400.00 |
| Red Butte Pipeline _ Byron Station | 1 | 2 | 33,600.00 |
| Big Horn Gas Proc-Big Horn Gas Plant | 2 | 2 | 3,800.00 |
| Church & Dwight | 1 | 1 | 6,400.00 |
| Pittsburg & Midway Kemmerer/Skull Point | 1 | 1 | 1,000.00 |
| Casper Balefill | 1 | 1 | 18,820.00 |
| American Wyott Corp. | 1 | 1 | 1.10 |
| Custom Fiberglass Inc. | 1 | 1 | 13,934.00 |
| Antelope Coal Co. | 1 | 1 | 0.96 |
| Triton Coal Co. L.L.C. Buckskin Mine | 1 | 1 | 0.20 |
| Belle Fourche Pipeline_south Hilight | 1 | 1 | 196,600.01 |
| Viking Explosives & Supply Inc. | 1 | 1 | 5.00 |
| Schroll Cabinets | 1 | 1 | 21,120.00 |
