| VERDIGRIS PLT | CF Industries | 3,354,663 | |
| Northeastern | American Electric Power | 3,140,720 | |
| Chouteau Power Plant | Associated Electric Cooperative Inc | 2,606,111 | |
| KOCH FERITLIZER ENID LLC ENID NITROGEN PLT | Koch Industries | 2,379,962 | |
| Oneta Energy Center | Argo Infrastructure Partners | 2,279,970 | |
| Tenaska Kiamichi Generating Station | Kiowa Power Partners LLC | 2,201,473 | |
| Williams G&B Facility Appalachian Basin (Eastern Overthrust Area) 160A | Williams Companies | 2,138,544 | |
| Redbud Power Plant | OGE Energy | 2,087,378 | |
| Grand River Dam Authority | State of Oklahoma | 1,969,971 | |
| Phillips 66 Ponca City Refinery | Phillips 66 | 1,899,802 | |
| Seminole (2956) | OGE Energy | 1,589,820 | |
| Muskogee | OGE Energy | 1,526,875 | |
| Green Country Energy, LLC | Electric Power Development Co. Ltd. | 1,510,025 | |
| CRI 395 Williston | Continental Resources Inc. | 1,230,126 | |
| TERRA INTERNATIONAL (OKLAHOMA) LLC | CF Industries | 1,190,500 | |
| 220 Gulf Coast Basin DEC | Devon Energy | 1,166,132 | |
| DGC - Arkoma BG | FLYWHEEL ENERGY LLC | 1,122,140 | |
| Sooner | OGE Energy | 1,068,660 | |
| McClain Energy Facility | OGE Energy | 962,286 | |
| VALERO REFINING CO -OKLAHOMA VALERO ARDMORE REFINERY | Valero Energy | 879,101 | |
| Riverside (4940) | American Electric Power | 819,038 | |
| 430 Permian Basin DEC | Devon Energy | 790,205 | |
| HF SINCLAIR TULSA REFINING LLC - EAST | HF Sinclair Corporation | 765,206 | |
| Hugo | WESTERN FARMERS ELECTRIC COOPERATIVE | 763,190 | |
| Southwestern | American Electric Power | 711,730 | |
| WPX Energy Permian LLC Boosting and Gathering | Devon Energy | 709,518 | |
| ONEOK Field Services Company, L.L.C. 360 Anadarko Basin GB | Oneok | 683,806 | |
| River Valley Generating Station | OGE Energy | 673,361 | |
| Vital Energy Production | Vital Energy | 666,952 | |
| Basin 360 - Mach | Bayou City Energy | 664,903 | |
| WYNNEWOOD REFINING CO | Icahn Enterprises | 646,029 | |
| WPX Energy Permian LLC | Devon Energy | 580,267 | |
| Chesapeake Appalachia LLC, 160A - Appalachian Basin (Eastern Overthrust Area) | Expand Energy Corporation | 575,199 | |
| Georgia Pacific Muskogee LLC | Koch Industries | 571,974 | |
| CRI 360 Anadarko | Continental Resources Inc. | 534,075 | |
| Anadarko | WESTERN FARMERS ELECTRIC COOPERATIVE | 527,567 | |
| Horseshoe Lake | OGE Energy | 520,622 | |
| WPX Energy Williston, LLC - 395 Williston basin | Devon Energy | 519,991 | |
| Central Plains Cement Company | Eagle Materials | 490,542 | |
| HF SINCLAIR TULSA REFINING LLC - WEST | HF Sinclair Corporation | 476,936 | |
| CRI 430 Permian | Continental Resources Inc. | 436,826 | |
| International Paper - Valliant Mill | International Paper | 432,836 | |
| HOLCIM INCORPORATED | Amrize Ltd. | 429,907 | |
| LSB Chemical L.L.C. | LSB Industries | 427,703 | |
| CRI 515 Powder River | Samson Resources | 394,320 | |
| Ascent Resources - Utica (160a) | ASCENT RESOURCES OPERATING LLC | 378,473 | |
| Williams G&B Facility Piceance Basin 595 | Williams Companies | 376,686 | |
| OXBOW CALCINING LLC | Oxbow Corporation | 352,611 | |
| ONEOK Rockies Midstream, L.L.C. 395 Williston Basin GB | Oneok | 339,386 | |
| RPOC - Basin 430 - Permian Basin | RILEY EXPLORATION - PERMIAN LLC | 334,564 | |
| 360 Anadarko Basin DEC | Devon Energy | 310,278 | |
| AMERICAN ENVIRONMENTAL LANDFILL | AMERICAN ENVIRONMENTAL LANDFILL INC | 307,075 | |
| Mustang | OGE Energy | 302,757 | |
| Frontier Generating Station | OGE Energy | 283,668 | |
| Williams G&B Facility Gulf Coast Basin 220 | Williams Companies | 280,161 | |
| Williams - G&B Facility - Denver Basin 540 (Tulsa, OK) | Williams Companies | 277,019 | |
| Comanche (8059) | American Electric Power | 269,002 | |
| CRI 350 SOK Folded Belt | Continental Resources Inc. | 260,740 | |
| XTO Energy Inc 350 South Oklahoma Folded Belt GB | Exxon Mobil | 258,976 | |
| Marathon Oil Anadarko Basin (AAPG 360) | ConocoPhillips | 258,639 | |
| Citizen Energy III, LLC | Elliott Investment Management | 257,358 | |
| LONE STAR IND INC DBA BUZZI UNICEM USA PRYOR CEMENT PLANT | Buzzi Unicem | 256,257 | |
| Chisholm Plant | Oneok | 247,295 | |
| BCE-Mach III LLC | Bayou City Energy | 244,741 | |
| XTO Energy Inc 350 South Oklahoma Folded Belt | Exxon Mobil | 242,107 | |
| CONTINENTAL CARBON Ponca City Plant | International CSRC Investment Holdings | 242,045 | |
| Williams G&B Facility Strawn Basin 415 | Williams Companies | 227,308 | |
| Iron Horse Gathering - Basin 360 | Sixth Street Partners | 217,719 | |
| Chesapeake Operating LLC, 230 - Arkla Basin | Expand Energy Corporation | 216,531 | |
| Williams G&B Facility Green River Basin 535 | Williams Companies | 210,259 | |
| 515 Powder River Basin DEC | Devon Energy | 207,646 | |
| Cana Gas Plant | Oneok | 207,285 | |
| Tall Oak 355 Chautauqua GB | Summit Midstream Partners | 192,833 | |
| 360 Anadarko Basin | Canvas Energy | 182,531 | |
| Revolution Operating Company Anadarko 360 | Mountain Capital | 175,697 | |
| Lindsay Field Office | Gulfport Energy | 161,768 | |
| Oklahoma Natural Gas Co. | ONE Gas Inc. | 155,078 | |
| ONEOK Rockies Midstream, L.L.C. 515 Powder River Basin GB | Oneok | 153,188 | |
| Tulsa | American Electric Power | 152,795 | |
| Basin 360 - Mach II | Bayou City Energy | 147,255 | |
| Charles D. Lamb Energy Center | OKLAHOMA MUNICIPAL POWER AUTHORITY | 142,360 | |
| US LIME COMPANY-ST. CLAIR | United States Lime and Minerals Inc. | 141,610 | |
| ONEOK Field Services Company, L.L.C. 350 South Oklahoma Folded Belt GB | Oneok | 140,441 | |
| Crawley Petroleum Corporation, 360 Anadarko Basin | Crawley Petroleum Corp | 137,094 | |
| Spring Creek Energy Center | Evergy Inc. | 132,887 | |
| Seaboard Foods Pork Processing Plant | Seaboard Corp. | 130,395 | |
| Unit Petroleum 783 Anadarko Basin | Unit Corporation | 128,333 | |
| Coalgate/Tupelo/Stonewall Gas Plant | Targa Resources | 127,236 | |
| Flywheel Energy Production - Arkoma | FLYWHEEL ENERGY LLC | 121,728 | |
| Williams G&B Facility Anadarko Basin 360 | Williams Companies | 121,559 | |
| CARDINAL GLASS PLT | CARDINAL GLASS INDUSTRIES | 115,984 | |
| Tall Oak 345 Arkoma GB | Summit Midstream Partners | 115,748 | |
| Vital Energy Midstream B&G | Vital Energy | 113,957 | |
| LAWTON LANDFILL | City of Lawton, OK | 113,410 | |
| MUSKOGEE COMMUNITY LNDFLL | Waste Management Inc. | 112,609 | |
| Covanta WBH | EQT AB | 111,964 | |
| OFS GPRP Maysville | Oneok | 110,808 | |
| 430 Cotton Draw Midstream | Devon Energy | 109,760 | 50% |
| 430 Cotton Draw Midstream | Quantum Energy Partners | 109,760 | 50% |
| PRYOR SOLAE | International Flavors & Fragrances | 108,774 | |
| Oklahoma Environmental Management Authority Landfill | Oklahoma Environmental Management Authority | 108,460 | |
| BCE-Mach III Midstream Holding LLC (Boosters - 360 Anadarko Basin GB | Bayou City Energy | 108,249 | |
| KIMBERLY-CLARK CORP-JENKS FAC | Kimberly-Clark | 107,762 | |
| Chandler Compressor Station/Wilburton Compressor Station | Energy Transfer | 105,847 | |
| Black Swan Oil & Gas - Basin 430 | Ovintiv Inc. | 104,291 | |
| Iron Horse Processing Plant | Sixth Street Partners | 99,533 | |
| NORIT AMERICAS INC | One Equity | 98,431 | |
| Ardagh Glass Inc. (Sapulpa) | Ardagh Packaging Group | 97,580 | |
| Williams G&B Facility Arkla Basin 230 | Williams Companies | 95,744 | |
| Anchor Glass Container Corporation - Plant 15 | CVC Capital Partners | 95,412 | |
| Rose Valley Gas Plant | Energy Transfer | 95,284 | |
| Kaiser-Francis Oil Company 430 Permian Basin | GBK Corp | 94,318 | |
| CHISHOLM OIL & GAS OPERATING | Permian Resources Corp. | 93,132 | |
| AMERICAN GYPSUM CO /GYPSUM WALLBOARD PLT | Eagle Materials | 92,223 | |
| ENID CITY LNDFLL | Enid City, OK | 91,542 | |
| OKC WASTE DISPOSAL /OKLAHOMA CITY LNDFLL | Waste Connections Inc. | 89,432 | |
| DCP MIDSTREAM LP/OKARCHE GAS PLT | Phillips 66 | 88,164 | |
| WASTE MGMT OF OK/EAST OAK LNDFLL | Waste Management Inc. | 85,317 | |
| Ascent Resources - Utica (160) | ASCENT RESOURCES OPERATING LLC | 84,585 | |
| Mustang Gas Products 360 Anadarko Basin | MUSTANG FUEL CORP | 83,064 | |
| SOUTHEAST LANDFILL OKC | SOUTHEAST LANDFILL OKC | 82,557 | |
| Tall Oak 360 Anadarko GB | Summit Midstream Partners | 81,843 | |
| Williams G&B Facility Permian Basin 430 | Williams Companies | 80,328 | |
| Osage Landfill | Waste Connections Inc. | 77,117 | |
| REPUBLIC PAPERBOARD CO | Eagle Materials | 76,876 | |
| City of Sallisaw Solid Waste Disposal Facility | City of Sallisaw, OK | 74,197 | |
| Waynoka Gas Plant | Targa Resources | 73,219 | |
| XTO Energy Inc 507 Central Western Overthrust | Exxon Mobil | 73,131 | |
| Southern Oklahoma Regional Disposal Landfill | SOUTHERN OKLAHOMA REGIONAL DISPOSAL INC | 73,025 | |
| Panther Creek Processing Facility | Summit Midstream Partners | 72,142 | |
| OWENS BROCKWAY GLASS CONTAINER INCORPORATED | O-I Glass | 71,752 | |
| EGT Arkansas | Energy Transfer | 70,718 | |
| CP KELCO US, INC.-OKMULGEE | J.M. Huber Corp. | 70,268 | |
| OFS GPRP Custer Gas Plant | Oneok | 70,208 | |
| CPRP Services LLC - 355 - Chautauqua Platform | Elliott Investment Management | 69,333 | |
| Redcliff Plant | Summit Midstream Partners | 69,128 | |
| Duncan Oil Properties, Inc. 360 Anadarko Basin | DUNCAN OIL PROPERTIES INC | 67,551 | |
| Superior Pipeline Company - Reeding Plant | Unit Corporation | 66,043 | |
| Buffalo Creek Processing Plant | MPLX LP | 66,025 | |
| SHOLEM GAS PLANT | Phillips 66 | 65,652 | |
| XTO Energy Inc 360 Anadarko | Exxon Mobil | 65,372 | |
| Kaiser-Francis Oil Company 360 Anadarko Basin | GBK Corp | 64,671 | |
| Tatums Compressor Station | Cheniere Energy | 64,448 | |
| TINKER AIR FORCE BASE | U.S. Government | 63,883 | |
| Grady Gas Plant | Quantum Energy Partners | 63,400 | |
| DAL-ITALIA | Mohawk Industries | 62,255 | |
| Mooreland | WESTERN FARMERS ELECTRIC COOPERATIVE | 60,798 | |
| CPRP Services LLC - 350 - South Oklahoma Folded Belt | Elliott Investment Management | 58,958 | |
| Beaver Compressor Station | Berkshire Hathaway | 58,424 | |
| RED CARPET LDFL INC | Waste Connections Inc. | 58,035 | |
| Hickory Hills Gas Plant | Targa Resources | 57,354 | |
| Marathon Oil So. Oklahoma Folded Belt (AAPG 350) | ConocoPhillips | 57,126 | |
| River Rock Operating LLC | Lucky 7 Exploration Co LLC | 56,463 | |
| WASTE MGMT OF OK | Waste Management Inc. | 56,251 | |
| Whiptail Midstream 580 San Juan Basin GB | I Squared Capital | 56,198 | |
| 430 Permian Basin GB DEC | Devon Energy | 55,787 | |
| CMC Steel Oklahoma, LLC | Commercial Metals Co. | 55,566 | |
| Beaver Gas Plant | Energy Transfer | 55,505 | |
| OFS GPRP Canadian Valley | Oneok | 55,212 | |
| Four Winds Midstream - Chautauqua - Basin 355 | NGP Energy Capital | 54,675 | |
| Tyson Poultry, Inc Broken Bow | Tyson Foods | 53,890 | |
| Williams G&B Facility Central Western Overthrust 507 | Williams Companies | 53,726 | |
| Sprague | MPLX LP | 53,555 | |
| Scissortail Energy Cable Compressor Station McAlester, OK | Kinder Morgan | 52,684 | |
| Superior Pipeline Company, LLC - Basin 355 - Chautauqua Platform - GB | Unit Corporation | 51,654 | |
| UNIVERSITY OF OKLAHOMA | University of Oklahoma | 50,547 | |
| Superior Pipeline Kansas 375 Sedgwick Basin GB | Oneok | 50,515 | |
| GOODYEAR TIRE & RUBBER COMPANY | Goodyear Tire & Rubber | 50,474 | |
| Silverback Operating II LLC | Riley Exploration Permian, Inc. | 50,423 | |
| Velma Gas Plant | Targa Resources | 46,911 | |
| Calyx Energy III 355 Chautauqua Platform | CALYX ENERGY III | 46,289 | |
| Compass Production Partners, LP - Arkla Basin #230 | Mountain Capital | 45,521 | |
| Superior Pipeline Texas, LLC - Basin 360 - Anadarko Basin - GB | Unit Corporation | 45,450 | |
| DCP MIDSTREAM LP/KINGFISHER NATURAL G | Phillips 66 | 45,400 | |
| Georgia-Pacific Gypsum LLC - Fletcher | Koch Industries | 45,177 | |
| Allen | Energy Transfer | 45,096 | |
| OKLAHOMA LNDFLL HOL/SOUTHERN PLAINS LNDF | Waste Connections Inc. | 44,096 | |
| Sanguine Gas Exploration, LLC 360 Anadarko Basin Production | SANGUINE GAS EXPLORATION LLC | 43,258 | |
| Blue Mountain Midstream - Chisholm Gas Plant | Elliott Investment Management | 43,207 | |
| Bradley Gas Processing Plant | Energy Transfer | 42,002 | |
| CenterPoint Landfill | GFL Environmental | 41,226 | |
| Williams G&B Facility East Texas Basin 260 | Williams Companies | 40,645 | |
| DCP MIDSTREAM LP/CIMARRON PLT | Phillips 66 | 39,828 | |
| Ponca City Landfill | City of Ponca City, OK | 39,751 | |
| Transcontinental Gas Pipe Line Company - Pipeline | Williams Companies | 39,467 | |
| Pink Compressor Station | Energy Transfer | 39,428 | |
| BCE-Mach III Midstream Holdings LLC - Lincoln Gas Plant | Bayou City Energy | 38,946 | |
| PANHANDLE EASTERN PIPE LINE CO - ALVA N HOPETON | Energy Transfer | 38,821 | |
| CIG Station 5440 Mocane, OK | Kinder Morgan | 38,707 | |
| WCA Pauls Valley Landfill | GFL Environmental | 38,633 | |
| WELTY COMPRESSOR STATION | Energy Transfer | 38,496 | |
| Sage Natural Resources 420 Fort Worth Syncline | SAGE NATURAL RESOURCES LLC | 37,551 | |
| Cashion Gas Plant | Unit Corporation | 37,300 | |
| Bellmon Gas Plant | Unit Corporation | 37,100 | |
| Catcher Ranch Gas Plant | MPLX LP | 36,862 | |
| Gold Bond - PRY Plant | National Gypsum | 36,676 | |
| Scissortail Energy Featherston Station Quinton, OK | Kinder Morgan | 36,654 | |
| Northridge Gas Plant | Oneok | 36,272 | |
| Nadel and Gussman Ruston Arkla Basin No. 230 | Nadel and Gussman LLC | 36,231 | |
| Sage Natural Resources 415 Strawn Basin | SAGE NATURAL RESOURCES LLC | 36,161 | |
| Warwick-Artemis, LLC | Warwick Investment Group | 34,674 | |
| Southern Star-Blackwell Compressor Station | Morgan Stanley | 34,638 | |
| Stillwater Sanitary Landfill | Republic Services | 34,328 | |
| COX CITY GAS PROCESSING PLT | Energy Transfer | 34,321 | |
| AMERICAN AIRLINES | American Airlines | 34,262 | |
| Vicinity Energy Oklahoma City Inc. | Antin Infrastructure Partners | 34,220 | |
| Compass Production Partners, LP - Arkla Basin #230 Gathering & Boosting | Mountain Capital | 33,884 | |
| Mid American Steel & Wire | OKLAHOMA STEEL & WIRE CO INC | 33,828 | |
| Kaiser-Francis Oil Company 430 Permian Basin Gathering and Boosting | GBK Corp | 33,494 | |
| ETX Basin 220 Production | ETX Energy | 33,486 | |
| WETUMKA GAS PROCESSING PLT | Energy Transfer | 32,565 | |
| Bennington Compressor Station | Energy Transfer | 32,450 | |
| City of Okmulgee Landfill | City of Okmulgee, OK | 32,442 | |
| Four Winds Midstream - Arkoma - Basin 345 | NGP Energy Capital | 32,405 | |
| UNIV OF OK HEALTH S/OKC CAMPUS SVCS | University of Oklahoma | 31,552 | |
| Webco Industries, Star Center Tube | WEBCO INDUSTRIES INC | 31,336 | |
| XTO Energy Inc 345 Arkoma GB | Exxon Mobil | 29,895 | |
| OGS SF Depew | Oneok | 29,764 | |
| Blue Mountain Midstream - G&B - Basin 360 | Elliott Investment Management | 29,552 | |
| Otter Creek Midstream | Otter Creek Midstream | 28,837 | |
| COMMERCIAL BRICK | COMMERCIAL BRICK CORP | 28,674 | |
| Cheyenne350 SOKFB | CHEYENNE PETROLEUM CO | 28,633 | |
| Williams G&B Facility Appalachian Basin 160 | Williams Companies | 28,441 | |
| CHITWOOD GAS PLANT | Phillips 66 | 28,355 | |
| OFS GPRP Antelope Hills Gas Plant | Oneok | 27,535 | |
| XTO Energy Inc 345 Arkoma | Exxon Mobil | 27,229 | |
| Amber Junction Compressor Station | Energy Transfer | 26,699 | |
| PORTER LANDFILL | PORTER LANDFILL | 26,479 | |
| 395 Williston Basin GB WPX | Devon Energy | 26,472 | |
| OGT CS Salt Creek | Oneok | 26,235 | |
| Pan Pacific Products | Pan Pacific Products | 26,086 | |
| Compass Production Partners, LP - Permian Basin #430 | Mountain Capital | 25,783 | |
| Byars Lake Compressor Station | Energy Transfer | 25,740 | |
| Cogar Compressor Station | Energy Transfer | 25,436 | |
| OKLAHOMA STATE UNIVERSITY | Oklahoma State System of Higher Education | 25,095 | |
| MICHELIN NORTH AMERICA ARDMORE PLANT | Michelin | 25,045 | |
| Contango Basin 360 | Crescent Energy | 24,702 | |
| ETX Basin 260 Production | ETX Energy | 23,899 | |
| Vicinity Energy Tulsa, Inc. | Antin Infrastructure Partners | 23,823 | |
| Oklahoma Gas & Electric Co. | OGE Energy | 23,738 | |
| Rodman Gas Plant | MUSTANG FUEL CORP | 23,473 | |
| CRI 430 G&B Permian | Continental Resources Inc. | 23,472 | |
| OFS GPRP Woodward Gas Plant | Oneok | 22,681 | |
| Nestle Purina PetCare | Nestle | 22,485 | |
| Arkoma | MPLX LP | 21,560 | |
| CALUMET GAS PROCESSING PLT | Energy Transfer | 21,134 | |
| NGPL Station 102, Balko OK | Kinder Morgan | 20,780 | |
| NGPL Station 801, Ratliff City, OK | Kinder Morgan | 19,817 | |
| JMA Energy 360 | JMA Energy Company LLC | 18,786 | |
| Blue Dome Operating Arkla | Nadel and Gussman LLC | 18,764 | |
| Van Buren Energy Production - Arkoma | FLYWHEEL ENERGY LLC | 18,292 | |
| Alderson Regional Landfill | Republic Services | 17,677 | |
| NGPL Station 184, Sayre OK | Kinder Morgan | 16,305 | |
| Saint Francis Hospital | Saint Francis Health System | 16,105 | |
| Ponca | OKLAHOMA MUNICIPAL POWER AUTHORITY | 15,762 | |
| Great Salt Plains MIdstream | MUSTANG FUEL CORP | 15,080 | |
| XTO Energy Inc 360 Anadarko GB | Exxon Mobil | 12,756 | |
| Arapaho | MPLX LP | 12,704 | |
| Canute (El Paso) Compressor Station | Energy Transfer | 12,198 | |
| Custer Compressor Station | Energy Transfer | 11,577 | |
| Sanguine Gas Exploration, LLC 345 Arkoma Basin Production | SANGUINE GAS EXPLORATION LLC | 11,020 | |
| Northwest Pipeline GP - Pipeline | Williams Companies | 11,008 | |
| Madill Plant | Bayou City Energy | 9,631 | 50% |
| Madill Plant | Carrera Gas | 9,631 | 50% |
| NEWCASTLE LANDFILL | NEWCASTLE LANDFILL (facility) | 9,402 | |
| ONEOK Gas Transportation, L.L.C. | Oneok | 7,052 | |
| Weleetka Power Station | American Electric Power | 5,996 | |
| CANADIAN VALLEY LANDFILL | Republic Services | 5,694 | |
| WFEC Transmission and Distribution Facility | WESTERN FARMERS ELECTRIC COOPERATIVE | 5,636 | |
| EOIT Oklahoma | Energy Transfer | 4,524 | |
| NGPL Station 156, Mountain View, OK | Kinder Morgan | 4,481 | |
| Mustang Gas Products 355 Chautauqua Platform | MUSTANG FUEL CORP | 4,301 | |
| BROKEN ARROW LANDFLL | A TIMOSHENKO | 4,236 | |
| CALYX ENERGY III - 345 ARKOMA BASIN | CALYX ENERGY III | 4,181 | |
| Basin 375 - BCE-Mach LLC | Bayou City Energy | 2,828 | |
| XTO Energy Inc 507 Central Western Overthrust GB | Exxon Mobil | 2,091 | |
| MRT Louisiana | Energy Transfer | 1,454 | |
