| 901 | Seven Horses LLC | Alva, OK 73717-5004 | Oil & Gas Operator | Feb 2025 |
| 902 | Seven J Oil Inc | Jenning, OK 74038-9729 | Oil & Gas Operator | Jan 2025 |
| 903 | Seven Sisters Oil & Gas LLC | Casper, WY 82602 | Oil & Gas Operator | Jan 2022 |
| 904 | Seven To One Oil & Gas LLC | Magnolia, OH 44643 | Oil & Gas Operator | Dec 2024 |
| 905 | Seven Wells Oil & Gas Expl. | Abilene, TX 79601 | Oil & Gas Operator | Jun 2014 |
| 906 | Sevenbar Resources, LLC | Hallettsville, TX 77964 | Oil & Gas Operator | Apr 2025 |
| 907 | Seventh Corporation The | Oklahoma City, OK 73107 | Oil & Gas Operator | May 2006 |
| 908 | Seventy Oil Co. | Freer, TX 78357 | Oil & Gas Operator | Mar 2002 |
| 909 | Seventy-One Inc | | Oil & Gas Operator | May 1999 |
| 910 | Sevenx, LLC | Iowa Park, TX 76367 | Oil Operator | Apr 2025 |
| 911 | Severtson, James C. | Allegany, NY 14706 | Oil & Gas Operator | Dec 2023 |
| 912 | Sevitski & Associates Inc | Pryor, OK 74361 | Oil & Gas Operator | Dec 2000 |
| 913 | Sewell Development Co Inc | | Oil & Gas Operator | Apr 1993 |
| 914 | Sexton Oil Company | Camden, AR 71701 | Oil Operator | Apr 2024 |
| 915 | Seydell, E. Morris | Wichita Falls, TX 76307 | Oil Operator | Feb 1993 |
| 916 | Seymour Oil Co., Inc. | Edmond, OK 73025 | Oil & Gas Operator | Jul 2011 |
| 917 | Seymour, James & Lorraine | Cut Bank, MT 59427 | Oil Operator | Jul 2022 |
| 918 | Sfeop | Midland, TX 79701 | Oil & Gas Operator | Mar 1994 |
| 919 | SFJV Enterprises, Inc. | Berclair, TX 78107 | Gas Operator | Aug 1998 |
| 920 | SFM Holdings, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jul 1995 |
| 921 | SG Interests I LTD | Houston, TX 77007 | Oil & Gas Operator | Mar 2025 |
| 922 | SG Interests, Inc. | Houston, TX 77010 | Oil & Gas Operator | Jun 2007 |
| 923 | SGB Oil LLC | Luling, TX 78648 | Oil Operator | Apr 2025 |
| 924 | Sgcu GP LLC | Casper, WY 82602 | Oil Operator | Feb 2025 |
| 925 | SGP Operating LLC | Dallas, TX 75205 | Oil & Gas Operator | Apr 2025 |
| 926 | SH Oil Operations LLC | Wichita, KS 67277 | Oil & Gas Operator | Dec 2024 |
| 927 | Sha Stephens, Incorporated | Weatherford, TX 76087 | Oil & Gas Operator | Apr 2006 |
| 928 | Sha-Jam Operating Corp. | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 929 | Shack, Bill | Albany, TX 76430 | Oil & Gas Operator | Apr 2006 |
| 930 | Shackelford Oil Co | Midland, TX 79707 | Oil & Gas Operator | Feb 2025 |
| 931 | Shackelford,Frank Oil Properties | Midland, TX 79701 | Oil & Gas Operator | Aug 1997 |
| 932 | Shadawn Corporation | Wichita Falls, TX 76310 | Oil & Gas Operator | Mar 2005 |
| 933 | Shadco | Worland, WY 82401 | Oil & Gas Operator | Feb 2025 |
| 934 | Shade Tree Oil C | | Oil Operator | Oct 1987 |
| 935 | Shadow Wolf Energy LLC | | Oil Operator | Dec 2024 |
| 936 | Shadow-Del Oil Company | Kiefer, OK 74041-0453 | Oil & Gas Operator | Jul 2015 |
| 937 | Shadowpeak Operating LLC | Oklahoma City, OK 73159-6905 | Oil & Gas Operator | Jan 2025 |
| 938 | Shadrack Production Company | | Gas Operator | Dec 1982 |
| 939 | Shady Oil Co. | Brownwood, TX 76801 | Oil & Gas Operator | Apr 2025 |
| 940 | Shafer Berman J | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 941 | Shafer David Oil Prod Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 942 | Shafer Oil & Gas, Inc. | | Oil & Gas Operator | Dec 2021 |
| 943 | Shaffer Oil Co., Inc. | Burlington, KS 66839 | Oil & Gas Operator | Jul 2001 |
| 944 | Shaffer Oil Leas | | Oil Operator | May 1993 |
| 945 | Shag Bark Land And Cattle Co. LLC | Olean, NY 14760 | Oil & Gas Operator | Dec 2021 |
| 946 | Shahan, Donald Allan | Abilene, TX 79602 | Oil Operator | Apr 2025 |
| 947 | Shahara Oil LLC | Carlsbad, NM 88220 | Oil & Gas Operator | Oct 2000 |
| 948 | Shaida, John H. | Wichita, KS 67226 | Oil & Gas Operator | Apr 2025 |
| 949 | Shakespeare Oil Co Inc | Salem, IL 62881 | Oil & Gas Operator | Feb 2025 |
| 950 | Shale Energy International, LLC | | Oil & Gas Operator | Nov 2024 |
| 951 | Shale Energy LLC | Jeffersonville, KY 40337 | Oil Operator | Dec 2018 |
| 952 | Shale Gas Production, LLC | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 953 | Shale Hunter, LLC | Irving, TX 75039 | Oil & Gas Operator | Jan 2016 |
| 954 | Shale Oil Co., Inc. | Liberty, TX 77575 | Oil & Gas Operator | Apr 2025 |
| 955 | Shale Operating Co. | Dallas, TX 75356 | Oil & Gas Operator | Apr 2025 |
| 956 | Shale Properties LLC | Kingfisher, OK 73750 | Oil Operator | Aug 2023 |
| 957 | Shale Service, Inc. | | Oil & Gas Operator | Apr 2019 |
| 958 | Shallow Energy Inc | South Dennis, MA 2660 | Oil & Gas Operator | Apr 2024 |
| 959 | Shallow Production Oper, LLC | Austin, TX 78738 | Oil Operator | Apr 2025 |
| 960 | Shamblin Stone Inc. | Dunbar, WV 25064-0510 | Gas Operator | Dec 2021 |
| 961 | Shamrock Minerals Corporation | Merkel, TX 79536 | Oil & Gas Operator | Nov 1998 |
| 962 | Shamrock Oil Co. | Sugar Land, TX 77478 | Oil & Gas Operator | Mar 2008 |
| 963 | Shamrock Operating Company LLC | Cleveland, OK 74020 | Oil Operator | Aug 2022 |
| 964 | Shamrock Texas Partners L.P. | San Angelo, TX 76904 | Oil & Gas Operator | Apr 2025 |
| 965 | Shamrock Well Operations LLC | Oklahoma City, OK 73118-4015 | Oil & Gas Operator | Feb 2025 |
| 966 | Shana Petroleum Company | Dallas, TX 75206 | Oil & Gas Operator | Aug 2002 |
| 967 | Shanafelt Oil Operating, LLC | Jacksboro, TX 76458 | Oil Operator | Apr 2025 |
| 968 | Shanafelt, Arthur | Jacksboro, TX 76458 | Oil & Gas Operator | May 2003 |
| 969 | Shanahan Donald P | Ridgedale, MO 65739 | Oil & Gas Operator | Dec 1990 |
| 970 | Shaner W G | Longmont, CO 80503 | Gas Operator | Dec 2021 |
| 971 | Shanghai Energy Corporation | Houston, TX 77027 | Oil & Gas Operator | Apr 2003 |
| 972 | Shanks Drilling & Production Company LLC | Bixby, OK 74008 | Oil & Gas Operator | Jan 2025 |
| 973 | Shanks Robert "Bob" | Haskell, OK 74436-8809 | Oil & Gas Operator | Jun 2023 |
| 974 | Shanks, Bob | Haskell, OK 74436 | Oil Operator | Sep 2002 |
| 975 | Shannon Corporation Inc | Okmulgee, OK 74447-1323 | Oil & Gas Operator | Mar 2015 |
| 976 | Shannon Energy | Liberal, KS 67901 | Oil & Gas Operator | Feb 1999 |
| 977 | Shannon Petroleum Inc | Tulsa, OK 74136-4603 | Oil & Gas Operator | Oct 2016 |
| 978 | Shannon Williams | | Oil Operator | Jan 1993 |
| 979 | Shappell Oil Company | Holliday, TX 76366 | Oil & Gas Operator | Sep 2012 |
| 980 | Shappell Oil Company, L.L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2025 |
| 981 | Shar Alan Oil Company | | Oil & Gas Operator | Oct 2005 |
| 982 | Sharber Billy Jack Operating | Konawa, OK 74849-0071 | Oil & Gas Operator | Mar 2015 |
| 983 | Sharber Don E | Okemah, OK 74859-0322 | Oil Operator | Dec 2018 |
| 984 | Sharber Production Inc | Konawa, OK 74849 | Oil & Gas Operator | Dec 2024 |
| 985 | Share Petroleum Corp. | Mabank, TX 75147 | Oil Operator | Apr 2025 |
| 986 | Sharkey Well Service Inc | | Oil Operator | Dec 2023 |
| 987 | Sharoco Corporation | Fort Worth, TX 76121 | Oil & Gas Operator | Dec 1996 |
| 988 | Sharon Hunter Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Sep 2012 |
| 989 | Sharon Oil Company Inc | | Oil Operator | Aug 1997 |
| 990 | Sharon Resources | | Oil Operator | Sep 1995 |
| 991 | Sharon Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Aug 2010 |
| 992 | Sharp Anthony G | Shawnee, OK 74802-1701 | Oil & Gas Operator | Jul 2003 |
| 993 | Sharp Engineerin | | Oil Operator | Aug 1995 |
| 994 | Sharp Image Energy, Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Apr 2025 |
| 995 | Sharp, Cherry L | Jacksboro, TX 76458 | Oil Operator | Apr 2025 |
| 996 | Sharp, Harry D. | Leawood, KS 66209 | Oil Operator | May 1997 |
| 997 | Sharp, John T. | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2014 |
| 998 | Sharp, Robert L. &/Or Cindy | | Oil Operator | Nov 2019 |
| 999 | Sharpe Energy Company | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
| 1000 | Sharples Phillip T Trust | Denver, CO 80264 | Oil & Gas Operator | Nov 2020 |