| 3401 | Porter Oil | Peabody, KS 66866 | Oil Operator | Oct 2000 |
| 3402 | Post & Mastin Well Service, Inc. | Garden City, KS 67846 | Oil Operator | May 2016 |
| 3403 | Post Petroleum C | | Gas Operator | Nov 1991 |
| 3404 | Post Petroleum Company | Oklahoma City, OK 73116 | Oil & Gas Operator | Aug 2013 |
| 3405 | Post Rock Gas, Inc. | Luray, KS 67699 | Oil & Gas Operator | Jun 2003 |
| 3406 | Postrock Midcontinent Production LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Apr 2025 |
| 3407 | Potato Creek, L.L.C. | Edna, KS 67342 | Oil & Gas Operator | Mar 2025 |
| 3408 | Poverty Knob Production, LLC | Osawatomie, KS 66064 | Oil Operator | Mar 2025 |
| 3409 | Powell Petroleum Resources, LLC | Houston, TX 77054 | Gas Operator | Jun 2005 |
| 3410 | Powell, Wayne D. & Barbara | Sedan, KS 67361 | Oil Operator | Sep 1996 |
| 3411 | Powers, Dixon D. | Great Bend, KS 67530 | Oil & Gas Operator | Oct 1995 |
| 3412 | PR Operating, LP (A Texas Limited Partnership) | Frisco, TX 75034 | Gas Operator | Apr 2012 |
| 3413 | Prado Petroleum | | Oil Operator | Mar 1982 |
| 3414 | Prafford Gas System, LC | Wichita, KS 67201 | Gas Operator | May 2012 |
| 3415 | Prairie Energy C | | Oil Operator | Oct 1987 |
| 3416 | Prairie Energy LC | Oklahoma City, OK 73118 | Gas Operator | Jun 2014 |
| 3417 | Prairie Gas Operating, LLC | Tulsa, OK 74101 | Gas Operator | Dec 2019 |
| 3418 | Prairie Methane Gas Producers LLC | Dewey, OK 74029 | Oil Operator | Dec 2009 |
| 3419 | Prairie Oil Inco | | Oil Operator | Jan 1986 |
| 3420 | Prairie Oil Partners | Hays, KS 67601 | Oil Operator | May 1999 |
| 3421 | Prairie Oil, LLC | Louisburg, KS 66053 | Oil Operator | Feb 2025 |
| 3422 | Prairie Resources Inc | Hays, KS 67601 | Oil & Gas Operator | Sep 2009 |
| 3423 | Prairie State Pe | | Oil Operator | Jul 1994 |
| 3424 | Prairie Wolf Operating, LLC | Stilwell, OK 74960 | Oil & Gas Operator | Mar 2025 |
| 3425 | Prater Oil & Gas Operations, Inc. | Pratt, KS 67124 | Oil & Gas Operator | Mar 2025 |
| 3426 | Prater Ronald Ru | | Gas Operator | Mar 1989 |
| 3427 | Pratt Well Servi | | Oil & Gas Operator | Jul 1996 |
| 3428 | Pratt Well Service, Inc. | Pratt, KS 67124 | Oil & Gas Operator | Mar 2025 |
| 3429 | Pratt, Don E. | Hays, KS 67601 | Oil Operator | Dec 1999 |
| 3430 | Premier Oil & Exploration Inc | Hutchinson, KS 67502 | Oil & Gas Operator | Mar 2025 |
| 3431 | Premier Petroleu | | Oil Operator | Dec 1988 |
| 3432 | Premier Petroleum, Inc. | Wichita, KS 67201 | Oil & Gas Operator | Dec 2009 |
| 3433 | Premiere Corporation | Wellington, KS 67152 | Oil Operator | Nov 2010 |
| 3434 | Pres-Lo Incorpor | | Oil & Gas Operator | Aug 1993 |
| 3435 | Presco Western LLC | Houston, TX 77046 | Oil & Gas Operator | Mar 2025 |
| 3436 | Presidio Petroleum LLC | Canadian, TX 79014 | Oil & Gas Operator | Jul 2025 |
| 3437 | Presley Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2025 |
| 3438 | Price Robert R O | | Oil Operator | Apr 1995 |
| 3439 | Price, Ernest, Jr. | Atlanta, KS 67008 | Oil Operator | Jun 1995 |
| 3440 | Price, Robert R. Operating, Inc. | Tulsa, OK 74147 | Oil Operator | May 1996 |
| 3441 | Pride Energy Company, A General Partnership | Tulsa, OK 74170 | Oil & Gas Operator | Aug 2021 |
| 3442 | Prime Operating Company | Houston, TX 77024 | Oil & Gas Operator | Jul 2025 |
| 3443 | Primexx Operating Corporation | Dallas, TX 75206 | Oil & Gas Operator | Mar 2024 |
| 3444 | Princ, Frank | Wilson, KS 67490 | Oil Operator | Sep 2024 |
| 3445 | Priority Oil & Gas LLC | Lakewood, CO 80227 | Gas Operator | Dec 2019 |
| 3446 | Prisum Ventures | | Oil & Gas Operator | Oct 1995 |
| 3447 | Pritz Maurice G | | Oil Operator | Oct 1990 |
| 3448 | Prize Operating Company | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2016 |
| 3449 | Pro3 Sulfur Solutions, Inc. | Russell, KS 67665 | Oil Operator | Jan 2025 |
| 3450 | Producers Equipm | | Oil Operator | Dec 1996 |
| 3451 | Producers Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2007 |
| 3452 | Production Compa | | Oil Operator | Apr 1985 |
| 3453 | Production Drill | | Oil Operator | Oct 1994 |
| 3454 | Production Drilling, Inc. | Hays, KS 67601 | Oil Operator | Mar 2025 |
| 3455 | Production Maintenance Service | | Oil & Gas Operator | Jun 2020 |
| 3456 | Production Manag | | Oil Operator | Dec 1986 |
| 3457 | Production Team | | Oil & Gas Operator | Sep 1991 |
| 3458 | Prolific Resources LLC | Wichita, KS 67208 | Oil & Gas Operator | Mar 2025 |
| 3459 | Prospect Oil & G | | Oil Operator | Feb 1996 |
| 3460 | Prospect Oil & Gas Corp | Russell, KS 67665 | Oil Operator | Mar 2025 |
| 3461 | Prospective Inv. & Trading Co., LTD., The | Tulsa, OK 74170 | Oil Operator | Dec 2019 |
| 3462 | Prospective Invs | | Oil & Gas Operator | Jun 1994 |
| 3463 | Protege Energy LLC | Tulsa, OK 74135 | Oil & Gas Operator | Jan 2018 |
| 3464 | Provecho Partners | Hays, KS 67601 | Oil Operator | Apr 2005 |
| 3465 | Providence Energ | | Oil & Gas Operator | Jul 1988 |
| 3466 | Provine, B.R. | Wichita, KS 67226 | Oil Operator | Apr 2010 |
| 3467 | Pryor Oil Compan | | Oil & Gas Operator | Nov 1994 |
| 3468 | Pryor, VIctor W., Jr. | Holdenville, OK 74848 | Oil & Gas Operator | Apr 2017 |
| 3469 | PT Oil LLC | Osage City, KS 66523 | Oil & Gas Operator | Mar 2025 |
| 3470 | Ptarmigan Inc | Leavenworth, KS 66048 | Oil Operator | Nov 2009 |
| 3471 | Pup Oil Company | | Oil Operator | Dec 1996 |
| 3472 | Pure Energy Prod | | Oil Operator | Sep 1992 |
| 3473 | Purkeypile, Doyle | Eureka, KS 67045 | Oil Operator | Oct 1995 |
| 3474 | Pyle Petroleum, Inc. | Tyler, TX 75703 | Oil & Gas Operator | Apr 2025 |
| 3475 | Pyramid Corporat | | Oil & Gas Operator | Aug 1995 |
| 3476 | Pyramid Oil & Ga | | Oil & Gas Operator | Sep 1987 |
| 3477 | Pyro Energy Corp | Kingwood, TX 77339-2102 | Oil & Gas Operator | Mar 1998 |
| 3478 | Pywell Venture A | | Oil Operator | Apr 1988 |
| 3479 | Quad Operating, LLC | Garnett, KS 66032 | Oil Operator | Dec 2019 |
| 3480 | Quadel Energy Co | | Oil & Gas Operator | Feb 1994 |
| 3481 | Quail Oil & Gas LC | Garden City, KS 67846 | Oil & Gas Operator | May 2025 |
| 3482 | Quality Well Service, Inc. | Pratt, KS 67124 | Oil Operator | Feb 2006 |
| 3483 | Quantum Operating Company | Denver, CO 80201 | Oil & Gas Operator | Dec 2012 |
| 3484 | Quantum Resources Management LLC | Houston, TX 77010 | Oil & Gas Operator | Apr 2025 |
| 3485 | Quest Cherokee LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2025 |
| 3486 | Quest Development Co. | | Oil Operator | Mar 2025 |
| 3487 | Quest Energy LLC | Salina, KS 67401 | Oil Operator | Feb 2025 |
| 3488 | Quest Energy Service Inc. | Chanute, KS 66720 | Oil & Gas Operator | Jan 2009 |
| 3489 | Questa Energy Corporation | Amarillo, TX 79159 | Oil & Gas Operator | Jul 2025 |
| 3490 | Questar Exploration And Production Company Division Of Questar Urc Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 2023 |
| 3491 | Quinn Oil Produc | | Oil Operator | Dec 1987 |
| 3492 | Quinque Operatin | | Oil & Gas Operator | Jul 1994 |
| 3493 | Quinque Operating Company | Liberal, KS 67905 | Oil & Gas Operator | Mar 2025 |
| 3494 | Quintana Minerals Corporation | Houston, TX 77002 | Oil & Gas Operator | Jan 2003 |
| 3495 | Quintana Petrole | | Oil & Gas Operator | Dec 1995 |
| 3496 | Quintana Petroleum Corporation | Denver, CO 80265 | Oil & Gas Operator | Mar 1998 |
| 3497 | Quito, Inc. | Bartlesville, OK 74003 | Oil & Gas Operator | Oct 2023 |
| 3498 | Quivira Gas Comp | | Gas Operator | Mar 1990 |
| 3499 | Quivira Oil & Ex | | Oil Operator | Sep 1985 |
| 3500 | R & B Oil & Gas | | Oil & Gas Operator | Jul 1995 |