| 1201 | Phillips Oil Operating Co | Enid, OK 73703-4921 | Oil & Gas Operator | May 2019 |
| 1202 | Phillips Oil Properties Inc. | Derby, KS 67037 | Oil Operator | Sep 2025 |
| 1203 | Phillips Operating Co. | Mineral Wells, TX 76067 | Oil & Gas Operator | Jan 2013 |
| 1204 | Phillips Petrole | | Oil & Gas Operator | May 1995 |
| 1205 | Phillips Petroleum Co NW | Farmington, NM 87401 | Oil & Gas Operator | Dec 2002 |
| 1206 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 1207 | Phillips Petroleum, LLC | Ballard, UT 84066 | Oil & Gas Operator | Dec 2025 |
| 1208 | Phillips Prod Co | Warrendale, PA 15086-7537 | Oil & Gas Operator | Dec 2011 |
| 1209 | Phillips William | | Oil Operator | Jul 1989 |
| 1210 | Phillips Wny Farm Properties, LLC | North Collins, NY 14111 | Gas Operator | Dec 2024 |
| 1211 | Phillips, B. F. Jr., Estate Of | Dallas, TX 75201 | Oil & Gas Operator | Mar 2011 |
| 1212 | Phillips, Bob | Weatherford, TX 76086 | Oil & Gas Operator | Nov 2019 |
| 1213 | Phillips, Jack L. | Gladewater, TX 75647 | Oil & Gas Operator | Dec 1997 |
| 1214 | Phillips, Jack L. Co. | Gladewater, TX 75647 | Oil & Gas Operator | Dec 2025 |
| 1215 | Phillips, Ken | San Angelo, TX 76904 | Oil & Gas Operator | Jun 2021 |
| 1216 | Phillips, Warren P | | Oil & Gas Operator | Apr 2011 |
| 1217 | Philmar | Houston, TX 77269 | Oil Operator | Dec 2025 |
| 1218 | Philmon, Doyle | Magazine, AR 72943 | Gas Operator | Jan 2025 |
| 1219 | Philpot Operating Company Inc | Ada, OK 74820-4457 | Oil & Gas Operator | May 2013 |
| 1220 | Philpott Oil & Gas Co Inc | Atwood, KS 67730 | Oil Operator | Aug 2010 |
| 1221 | Phoenic Opr Co Inc-SPD | | Oil Operator | Feb 1993 |
| 1222 | Phoenix - Comco, Inc. | | Oil Operator | Aug 2004 |
| 1223 | Phoenix Crude Oil Company | Westbrook, TX 79565 | Oil Operator | Oct 2004 |
| 1224 | Phoenix Distributing Corp. | Marlboro, NJ 07746 | Oil & Gas Operator | Mar 2003 |
| 1225 | Phoenix Drilling & Exploration | | Oil & Gas Operator | Jun 1982 |
| 1226 | Phoenix Energy LLC | Warren, PA 16365-2302 | Oil & Gas Operator | Dec 2024 |
| 1227 | Phoenix Energy Partners LLC | Marlow, OK 73055 | Oil Operator | Nov 2025 |
| 1228 | Phoenix Energy Prod Inc | Freeport, PA 16229-1126 | Oil & Gas Operator | Dec 2024 |
| 1229 | Phoenix Energy, Inc. | Oilmont, MT 59466 | Oil & Gas Operator | Oct 2025 |
| 1230 | Phoenix Exploration Company LP | | Oil & Gas Operator | Sep 2011 |
| 1231 | Phoenix Fund, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Jun 2000 |
| 1232 | Phoenix Hydro Oper Corp | Midland, TX 79702 | Oil & Gas Operator | Dec 1993 |
| 1233 | Phoenix Hydrocarbons Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 1993 |
| 1234 | Phoenix Hydrocarbons Operating | Midland, TX 79702 | Oil & Gas Operator | Jun 2024 |
| 1235 | Phoenix Hydrocarbons Operating Co | Midland, TX 79702-3638 | Oil & Gas Operator | Jul 2018 |
| 1236 | Phoenix Hydrocarbons Operating Corp | Midland, TX 79705 | Oil & Gas Operator | Oct 2022 |
| 1237 | Phoenix Kansas Energy, LLC | Chanute, KS 66720 | Oil Operator | Aug 2003 |
| 1238 | Phoenix LTD | Charlotte, NC 28231-1547 | Oil Operator | Sep 2001 |
| 1239 | Phoenix Midstream LLC | Houston, TX 77042 | Oil Operator | Aug 2022 |
| 1240 | Phoenix NTL Petroleum Co | Englewood, NJ 07631 | Oil & Gas Operator | Dec 1990 |
| 1241 | Phoenix Oil & Gas | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 1242 | Phoenix Oil & Gas Inc | Seminole, OK 74868 | Oil & Gas Operator | May 2025 |
| 1243 | Phoenix Oil & Gas LTD., L.L.P. | Houston, TX 77010 | Oil & Gas Operator | Jun 2004 |
| 1244 | Phoenix Oil & Gas, Inc. (A) | Canada, 00100 | Oil & Gas Operator | Oct 2005 |
| 1245 | Phoenix Oil Comp | | Oil Operator | Nov 1988 |
| 1246 | Phoenix Oil Corp | Wichita, KS 67201 | Oil & Gas Operator | Jan 1999 |
| 1247 | Phoenix Oper Co Inc-New Amer | | Oil Operator | Jul 1994 |
| 1248 | Phoenix Operating Co. Of Texas | | Oil Operator | Jul 1995 |
| 1249 | Phoenix Operating Company Of TX. | Dallas, TX 75206 | Oil & Gas Operator | Jun 1995 |
| 1250 | Phoenix Operating Company, Inc. | Shreveport, LA 71161 | Oil & Gas Operator | Mar 2015 |
| 1251 | Phoenix Operating LLC | Denver, CO 80237 | Oil & Gas Operator | Nov 2025 |
| 1252 | Phoenix Operating, Inc | | Oil & Gas Operator | Nov 2025 |
| 1253 | Phoenix Opr Co Inc - West End | | Oil Operator | Dec 1992 |
| 1254 | Phoenix Opr Co Inc-Acc | | Oil Operator | Dec 1992 |
| 1255 | Phoenix Opr Co Inc-Amsterdam | | Oil Operator | Nov 1994 |
| 1256 | Phoenix Opr Co Inc-Broadway | | Oil Operator | Dec 1992 |
| 1257 | Phoenix Opr Co Inc-Caddo | | Oil Operator | Dec 1992 |
| 1258 | Phoenix Opr Co Inc-DS DRLG | | Oil Operator | May 1994 |
| 1259 | Phoenix Opr Co Inc-HGC 1985 | | Oil Operator | Dec 1992 |
| 1260 | Phoenix Opr Co Inc-La Petro As | | Oil Operator | Dec 1992 |
| 1261 | Phoenix Opr Co Inc-Lex 83 | | Oil Operator | Feb 1993 |
| 1262 | Phoenix Opr Co Inc-Nac | | Oil Operator | Dec 1992 |
| 1263 | Phoenix Opr Co Inc-New Amer 85 | | Oil Operator | Dec 1992 |
| 1264 | Phoenix Opr Co Inc-Northern La | | Oil Operator | Dec 1992 |
| 1265 | Phoenix Opr Co Inc-Oc Yacht 85 | | Oil Operator | Dec 1992 |
| 1266 | Phoenix Opr Co Inc-Oc Yacht II | | Oil Operator | Dec 1992 |
| 1267 | Phoenix Opr Co Inc-Ocean Yacht | | Oil Operator | Dec 1992 |
| 1268 | Phoenix Opr Co Inc-Petrovest | | Oil Operator | Dec 1992 |
| 1269 | Phoenix Opr Co Inc-PML | | Oil Operator | Dec 1992 |
| 1270 | Phoenix Opr Co Inc-RBF 1985 | | Oil Operator | Dec 1992 |
| 1271 | Phoenix Opr Co Inc-Rvside '85 | | Oil Operator | Dec 1992 |
| 1272 | Phoenix Opr Co Inc-Salem 1985 | | Oil Operator | Dec 1992 |
| 1273 | Phoenix Opr Co Inc-Shemen | | Oil Operator | Dec 1992 |
| 1274 | Phoenix Opr Co Inc-TG I | | Oil Operator | Dec 1992 |
| 1275 | Phoenix Opr Co Inc-TG II | | Oil Operator | Dec 1992 |
| 1276 | Phoenix Opr Co Inc-Vista | | Oil Operator | Dec 1992 |
| 1277 | Phoenix Opr Co Inc-York | | Oil Operator | Dec 1992 |
| 1278 | Phoenix Petrocorp, Inc. | McKinney, TX 75070 | Oil & Gas Operator | Nov 2025 |
| 1279 | Phoenix Petroleum Corp. | | Gas Operator | Aug 1985 |
| 1280 | Phoenix Petroleum, LLC | | Oil & Gas Operator | Nov 2025 |
| 1281 | Phoenix Production Company | Cody, WY 82414-3607 | Oil & Gas Operator | Oct 2023 |
| 1282 | Phoenix Production Inc | Burneyville, OK 73430-2158 | Oil & Gas Operator | Feb 2025 |
| 1283 | Phoenix Resources Co | | Oil & Gas Operator | Jun 1984 |
| 1284 | Phoenix Resources LLC | Longview, TX 75604 | Oil & Gas Operator | Jul 2022 |
| 1285 | Phoenix Resources-Alabama, LLC | | Gas Operator | Nov 2004 |
| 1286 | Phoenix-Vi-Roi | | Oil & Gas Operator | Mar 1986 |
| 1287 | PHX Energy, LLC | Artesia, NM 88211 | Oil & Gas Operator | Nov 2025 |
| 1288 | Phylko Energy Corporation | Houston, TX 77056 | Oil & Gas Operator | Aug 2003 |
| 1289 | Pi Energy, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Dec 2025 |
| 1290 | Piatt Enterprises LLC | Graysville, OH 45734 | Oil & Gas Operator | Dec 2024 |
| 1291 | Pic Inc | Ponca City, OK 74602 | Oil & Gas Operator | Jan 2013 |
| 1292 | Picayune Resources, Inc | Lexington, KY 40509 | Oil & Gas Operator | Dec 2023 |
| 1293 | Piceance Energy LLC | | Oil & Gas Operator | Oct 2025 |
| 1294 | Pices Energy Production Co. | Alva, OK 73717-9512 | Oil & Gas Operator | Apr 2014 |
| 1295 | Pickelsimer Kenny | Wilson, OK 73463-6502 | Oil & Gas Operator | Aug 2014 |
| 1296 | Pickens Company, Inc., The | Dallas, TX 75225 | Oil & Gas Operator | Jan 2025 |
| 1297 | Pickett Brothers | | Oil Operator | Dec 1995 |
| 1298 | Pickett Oil Co. | Gonzales, TX 78629 | Oil & Gas Operator | Oct 2019 |
| 1299 | Pickett, D. W. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Sep 2004 |
| 1300 | Pickrell Drilling Co., Inc. | Wichita, KS 67213 | Oil & Gas Operator | Sep 2025 |