| 3601 | Pete Caldwell Drilling Co.,Inc | | Oil & Gas Operator | Aug 1991 |
| 3602 | Peter W. Herbst | | Gas Operator | Mar 1998 |
| 3603 | Peterman-Sturlese Et Al | | Oil & Gas Operator | Sep 1987 |
| 3604 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 3605 | Petro "E", LLC | | Oil & Gas Operator | Feb 2010 |
| 3606 | Petro Energy Inc | Farmington, NM 87499 | Oil & Gas Operator | Sep 2025 |
| 3607 | Petro Harvester Operating Company, LLC | | Oil & Gas Operator | Nov 2022 |
| 3608 | Petro Ventures Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2019 |
| 3609 | Petro Vest, Inc. | Houston, TX 77046 | Oil & Gas Operator | Sep 2014 |
| 3610 | Petro-Assets Corporation | | Oil & Gas Operator | Feb 2000 |
| 3611 | Petro-Can, Inc. | | Oil & Gas Operator | Apr 1998 |
| 3612 | Petro-Chem Operating Company, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2026 |
| 3613 | Petro-Guard Company, Inc. | Houston, TX 77057 | Oil & Gas Operator | Nov 2014 |
| 3614 | Petro-Guard Production,L.L.C. | Houston, TX 77063 | Oil & Gas Operator | Dec 2024 |
| 3615 | Petro-Hunt Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2003 |
| 3616 | Petro-Hunt, L.L.C. | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 3617 | Petro-Lewis Corp. | | Oil & Gas Operator | Feb 1994 |
| 3618 | Petro-Management Inc | | Oil Operator | Dec 1998 |
| 3619 | Petro-Search, Inc. | | Oil Operator | Jul 1992 |
| 3620 | Petro-Ventures, Inc. - Miss. | | Oil & Gas Operator | Apr 2009 |
| 3621 | Petrocana,Inc. | | Oil & Gas Operator | Aug 1993 |
| 3622 | Petrocorp | | Oil & Gas Operator | Nov 1992 |
| 3623 | Petrocorp Incorporated | Tulsa, OK 74170 | Oil & Gas Operator | Nov 2021 |
| 3624 | Petrodome Operating, LLC | Houston, TX 77265 | Oil & Gas Operator | May 2025 |
| 3625 | Petrofunds, Inc & Sunny South | | Oil & Gas Operator | Feb 1984 |
| 3626 | Petrofunds, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jun 1996 |
| 3627 | Petrofunds, Inc. & Herd | | Oil & Gas Operator | Mar 1984 |
| 3628 | Petroglen Company, Inc. | | Oil & Gas Operator | Jul 1990 |
| 3629 | Petrogulf Corporation | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 3630 | Petrohawk Energy Corporation | Houston, TX 77002 | Oil & Gas Operator | Jun 2005 |
| 3631 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
| 3632 | Petrol Industries, Inc. | Shreveport, LA 71137 | Oil & Gas Operator | Jun 2012 |
| 3633 | Petroleum Capital, L.C. | Dallas, TX 75367 | Oil & Gas Operator | Feb 2026 |
| 3634 | Petroleum Corp Of Delaware The | | Oil & Gas Operator | May 1991 |
| 3635 | Petroleum Corporation Of Texas | Breckenridge, TX 76024 | Oil & Gas Operator | May 2002 |
| 3636 | Petroleum Engineers Inc. Agent | | Oil & Gas Operator | Sep 1986 |
| 3637 | Petroleum Engineers, Inc. | | Oil & Gas Operator | Jun 1983 |
| 3638 | Petroleum Exchange | | Oil & Gas Operator | Oct 1997 |
| 3639 | Petroleum Futures-Chapman Oil | | Oil & Gas Operator | Jul 1981 |
| 3640 | Petroleum Investments, Inc | Shreveport, LA 71101 | Oil & Gas Operator | Dec 1977 |
| 3641 | Petroleum Management Int'L, Inc. | Sugar Land, TX 77487 | Oil & Gas Operator | Oct 1993 |
| 3642 | Petroleum Production MGMT., Inc. | Kansas City, MO 64112 | Oil & Gas Operator | Feb 2026 |
| 3643 | Petroleum Properties MGMT Corp | | Oil & Gas Operator | Aug 1990 |
| 3644 | Petroleum Recovery & Expl Inc. | | Oil Operator | Oct 1984 |
| 3645 | Petroleum Resource MGMT Co TX | | Oil & Gas Operator | Sep 2020 |
| 3646 | Petroleum Resources MGMT Corp. | | Oil & Gas Operator | Mar 2002 |
| 3647 | Petroleum Venture Capitol Corp | | Oil Operator | Jun 1980 |
| 3648 | Petromark Resources Company | Tulsa, OK 74136 | Oil & Gas Operator | Sep 1993 |
| 3649 | Petrominerals Corp. | | Oil & Gas Operator | Dec 2003 |
| 3650 | Petroquest Energy, Inc. | Lafayette, LA 70505 | Oil & Gas Operator | Feb 2001 |
| 3651 | Petroquest Energy, L.L.C. | Lafayette, LA 70505 | Oil & Gas Operator | Feb 2026 |
| 3652 | Petroquest Exploration, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Mar 2008 |
| 3653 | Petroreal Inc. | Temple, TX 76503 | Oil & Gas Operator | Feb 2026 |
| 3654 | Petrosearch Operating Co, LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 3655 | Petrosil Resources Inc. | | Oil & Gas Operator | Oct 1981 |
| 3656 | Petrotex Engineering Company | Cypress, TX 77429 | Oil & Gas Operator | Feb 2026 |
| 3657 | Petrotex Louisiana Company | | Oil & Gas Operator | Aug 1998 |
| 3658 | Petrus Oil Company, L.P. | | Oil & Gas Operator | Dec 1989 |
| 3659 | Petrus Operating Co., Inc. | | Oil & Gas Operator | Dec 1986 |
| 3660 | Petsec Energy Inc. | | Oil & Gas Operator | Sep 2012 |
| 3661 | PF Operating Company | Wichita Falls, TX 76302 | Oil & Gas Operator | Aug 2003 |
| 3662 | PG&E Resources Company | Houston, TX 77042 | Oil & Gas Operator | May 1995 |
| 3663 | PG&E Resources Offshore Company | Dallas, TX 75206 | Oil & Gas Operator | Oct 1994 |
| 3664 | Phalanx Petroleum LLC | | Oil & Gas Operator | Jan 2025 |
| 3665 | Pharaoh & Associates, Inc. | Houston, TX 77252 | Oil & Gas Operator | Aug 2002 |
| 3666 | Pharaoh Oil & Gas, Inc. | MC Camey, TX 79752 | Oil & Gas Operator | Feb 2026 |
| 3667 | Pharaoh Oil, LLC | | Oil Operator | Jan 2025 |
| 3668 | Philip B. Berry Oper Co., Inc. | | Oil & Gas Operator | Jun 1990 |
| 3669 | Philip Services/Louisiana Inc. | | Oil Operator | Dec 2000 |
| 3670 | Phillberg Oil Company | | Oil Operator | Mar 2014 |
| 3671 | Phillip A Guzzino | | Oil Operator | Jan 2000 |
| 3672 | Phillips Energy, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2018 |
| 3673 | Phillips Lake Corp. | | Oil Operator | Dec 1985 |
| 3674 | Phillips Oil Company | Casper, WY 82602 | Oil & Gas Operator | Sep 1986 |
| 3675 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 3676 | Phoenic Opr Co Inc-SPD | | Oil Operator | Feb 1993 |
| 3677 | Phoenix - Comco, Inc. | | Oil Operator | Aug 2004 |
| 3678 | Phoenix Drilling & Exploration | | Oil & Gas Operator | Jun 1982 |
| 3679 | Phoenix Energy, Inc. | Oilmont, MT 59466 | Oil & Gas Operator | Dec 2025 |
| 3680 | Phoenix Exploration Company LP | | Oil & Gas Operator | Sep 2011 |
| 3681 | Phoenix Oil & Gas LTD., L.L.P. | Houston, TX 77010 | Oil & Gas Operator | Jun 2004 |
| 3682 | Phoenix Oper Co Inc-New Amer | | Oil Operator | Jul 1994 |
| 3683 | Phoenix Operating Co. Of Texas | | Oil Operator | Jul 1995 |
| 3684 | Phoenix Operating Company, Inc. | Shreveport, LA 71161 | Oil & Gas Operator | Mar 2015 |
| 3685 | Phoenix Opr Co Inc - West End | | Oil Operator | Dec 1992 |
| 3686 | Phoenix Opr Co Inc-Acc | | Oil Operator | Dec 1992 |
| 3687 | Phoenix Opr Co Inc-Amsterdam | | Oil Operator | Nov 1994 |
| 3688 | Phoenix Opr Co Inc-Broadway | | Oil Operator | Dec 1992 |
| 3689 | Phoenix Opr Co Inc-Caddo | | Oil Operator | Dec 1992 |
| 3690 | Phoenix Opr Co Inc-DS DRLG | | Oil Operator | May 1994 |
| 3691 | Phoenix Opr Co Inc-HGC 1985 | | Oil Operator | Dec 1992 |
| 3692 | Phoenix Opr Co Inc-La Petro As | | Oil Operator | Dec 1992 |
| 3693 | Phoenix Opr Co Inc-Lex 83 | | Oil Operator | Feb 1993 |
| 3694 | Phoenix Opr Co Inc-Nac | | Oil Operator | Dec 1992 |
| 3695 | Phoenix Opr Co Inc-New Amer 85 | | Oil Operator | Dec 1992 |
| 3696 | Phoenix Opr Co Inc-Northern La | | Oil Operator | Dec 1992 |
| 3697 | Phoenix Opr Co Inc-Oc Yacht 85 | | Oil Operator | Dec 1992 |
| 3698 | Phoenix Opr Co Inc-Oc Yacht II | | Oil Operator | Dec 1992 |
| 3699 | Phoenix Opr Co Inc-Ocean Yacht | | Oil Operator | Dec 1992 |
| 3700 | Phoenix Opr Co Inc-Petrovest | | Oil Operator | Dec 1992 |