| 20301 | New Ora Oil, Inc. | | Oil Operator | Aug 1984 |
| 20302 | New Orleans Public Service Inc | | Oil Operator | Dec 1994 |
| 20303 | New River Energy Corporation | | Gas Operator | Dec 2017 |
| 20304 | New Source Oil & Gas, LLC | Victoria, TX 77903 | Oil & Gas Operator | Jul 2025 |
| 20305 | New Tex Oil Co | Hobbs, NM 88240 | Oil & Gas Operator | May 2016 |
| 20306 | New Voyage Enterprises LLC | San Antonio, TX 78278 | Oil Operator | Jul 2025 |
| 20307 | New Western Operating, LLC | Irvine, CA 92618 | Oil & Gas Operator | Dec 2019 |
| 20308 | New York Natural Gas Corp | Pittsburgh, PA 15222-1402 | Gas Operator | Dec 1990 |
| 20309 | New York Petroleum Corp. | | Oil & Gas Operator | Nov 1982 |
| 20310 | New-Lonamen | | Oil & Gas Operator | Dec 2008 |
| 20311 | New-Park, Inc. | | Oil Operator | Sep 1990 |
| 20312 | New-Tex Operating II, LLC | Dallas, TX 75201 | Oil & Gas Operator | Jul 2025 |
| 20313 | New-Tex Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Jul 2025 |
| 20314 | Neward Corporation | FT. Worth, TX 76102 | Oil & Gas Operator | Dec 1997 |
| 20315 | Newark E&P Operating, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2017 |
| 20316 | Newark Energy LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2011 |
| 20317 | Newberry, Charles D Inc | Campbellsvlle, KY 42719 | Oil Operator | Jul 2025 |
| 20318 | Newbridge Resources, LLC | Houston, TX 77056 | Oil & Gas Operator | May 2025 |
| 20319 | Newcastle Oil & Gas Inc | | Oil Operator | Dec 1988 |
| 20320 | Newcastle Resources, LLC | Tyler, TX 75711 | Oil & Gas Operator | Aug 2015 |
| 20321 | Newco Oil And Gas, LLC | McKinney, TX 75070 | Oil Operator | Jul 2025 |
| 20322 | Newco, Inc. | Oklahoma City, OK 73177 | Oil Operator | Aug 1999 |
| 20323 | Newell Energy LTD | | Gas Operator | Nov 2021 |
| 20324 | Newell Oil And Gas LLC | Shawnee, OK 74801-5783 | Oil & Gas Operator | Apr 2025 |
| 20325 | Newfield Expl. Mid-Con. Inc | Tulsa, OK 74172 | Oil & Gas Operator | Jan 2015 |
| 20326 | Newfield Exploration Company | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2017 |
| 20327 | Newfield Exploration Mid-Continent Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2011 |
| 20328 | Newfield Production Company | The Woodlands, TX 77380-2764 | Oil & Gas Operator | Jul 2022 |
| 20329 | Newgulf Petroleum, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2017 |
| 20330 | Newhaven Operating Inc | | Oil & Gas Operator | Dec 1998 |
| 20331 | Newkumet Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2020 |
| 20332 | Newland Farm | Freedom, NY 14065 | Gas Operator | Dec 2024 |
| 20333 | Newland Oil Comp | | Oil Operator | Sep 1996 |
| 20334 | Newman & Scott | Duncan, OK 73534 | Oil & Gas Operator | Mar 2024 |
| 20335 | Newman Bros Drilling | | Oil & Gas Operator | Apr 2004 |
| 20336 | Newman Corporation | Harleton, TX 75651 | Oil & Gas Operator | Aug 2024 |
| 20337 | Newman Cubed, Inc. | Fort Worth, TX 76147 | Oil & Gas Operator | Jul 2025 |
| 20338 | Newman Operating Company | Freer, TX 78357 | Oil & Gas Operator | Jun 2021 |
| 20339 | Newman, John A. | Joplin, MO 64804 | Oil & Gas Operator | Jan 2001 |
| 20340 | Newmo Company | | Oil & Gas Operator | Dec 2001 |
| 20341 | Newmont Oil Company | Houston, TX 77002 | Oil & Gas Operator | Sep 1988 |
| 20342 | Newpark Drilling Fluids LLC | Clinton, OK 73601 | Oil Operator | Dec 2013 |
| 20343 | Newpark Environmental SVCS LLC | Lafayette, LA 70506 | Oil Operator | Jul 2014 |
| 20344 | Newpek, LLC | Irving, TX 75039 | Oil & Gas Operator | Sep 2016 |
| 20345 | Newport Gas Partners LLC | Gillette, WY 82716 | Oil & Gas Operator | May 2025 |
| 20346 | Newport Oil Corporation | Clearwater, FL 33755 | Oil & Gas Operator | Jul 2011 |
| 20347 | Newport Operating, LLC | Burkburnett, TX 76354 | Oil Operator | Jul 2025 |
| 20348 | Newport Operators, LLC | | Oil & Gas Operator | Jan 2019 |
| 20349 | Newstar Energy Of Texas L.L.C. | East Lansing, MI 48826 | Oil & Gas Operator | Mar 2008 |
| 20350 | Newstar Energy USA Inc | Thornville, OH 43076 | Oil & Gas Operator | Aug 2004 |
| 20351 | Newton Corp.,The | Dallas, TX 75251 | Oil & Gas Operator | Jul 2025 |
| 20352 | Newton Steve Drilling | Worland, WY 82401 | Oil Operator | Apr 2001 |
| 20353 | Newton Well Service | New Braunfels, TX 78132 | Oil & Gas Operator | May 2016 |
| 20354 | Newton, Richard R. | Wichita Falls, TX 76309 | Oil & Gas Operator | Nov 1996 |
| 20355 | Newton, W. F. | Conroe, TX 77305 | Oil & Gas Operator | Jun 1994 |
| 20356 | Newton, W. F. Estate Of | Conroe, TX 77305 | Oil & Gas Operator | Jan 2000 |
| 20357 | Newturn Oil Company | Houston, TX 77208 | Oil & Gas Operator | Jan 2004 |
| 20358 | Newwoods Petroleum LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2016 |
| 20359 | Nexco Inc | Oklahoma City, OK 73102-6801 | Oil & Gas Operator | Nov 2013 |
| 20360 | Nexen Oil And Gas U.S.A. Inc. | Calgary, AB T2P 5C1 | Oil & Gas Operator | Feb 2010 |
| 20361 | Nexen Petroleum U.S.A. Inc. | Houston, TX 77024 | Oil & Gas Operator | Jul 2012 |
| 20362 | Nexstreem Corporation | | Oil & Gas Operator | Dec 2020 |
| 20363 | Nextraction Energy Us Inc | Las Vegas, NV 89169 | Oil & Gas Operator | Feb 2018 |
| 20364 | Nexus Resources Corporation | Drumright, OK 74030 | Oil & Gas Operator | Jan 2013 |
| 20365 | Ney Oil Operations | | Oil Operator | Apr 1998 |
| 20366 | Neyer Oil Inc | | Oil & Gas Operator | Nov 1997 |
| 20367 | Neyman, Robert L. & Maureen J. | Batavia, NY 14020 | Gas Operator | Dec 2024 |
| 20368 | Neymeiyer John Oil Co | | Oil Operator | Dec 1998 |
| 20369 | NFC Petroleum Corporation | Tulsa, OK 74121 | Oil & Gas Operator | Jun 1996 |
| 20370 | Nfcda Energy LLC | Edmond, OK 73013 | Oil & Gas Operator | May 2025 |
| 20371 | NFR Bear Paw Basin, LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2013 |
| 20372 | NFR Energy, LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2017 |
| 20373 | NGC Energy Co. | | Oil & Gas Operator | May 1989 |
| 20374 | Ngezi, LCC | Fort Worth, TX 76111 | Oil & Gas Operator | Jul 2025 |
| 20375 | NGL Processing, LLC | | Oil Operator | Jun 2000 |
| 20376 | NGM Noble LTD | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 20377 | Ngo Development Corp. | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 20378 | NGS, Inc. | Borger, TX 79008 | Gas Operator | Jul 2025 |
| 20379 | NGX Company | Roswell, NM 88202 | Oil & Gas Operator | Jul 2008 |
| 20380 | NHH Inc | Oklahoma City, OK 73162-7418 | Oil & Gas Operator | Feb 2002 |
| 20381 | NHRG Inc | Wichita Falls, TX 76308 | Oil Operator | Jul 2025 |
| 20382 | Nicco Operating Co. | | Oil & Gas Operator | May 1990 |
| 20383 | Nicholas Water Service, Inc. | Zenda, KS 67159 | Oil Operator | Mar 2006 |
| 20384 | Nichols Brothers | Abilene, TX 79604 | Oil & Gas Operator | Jul 2025 |
| 20385 | Nichols Fluid Service, Inc. | Liberal, KS 67901 | Oil Operator | Jun 2019 |
| 20386 | Nichols Oil & Gas Corporation | Shreveport, LA 71135 | Oil & Gas Operator | Aug 2003 |
| 20387 | Nichols Oil Co. | Holliday, TX 76366 | Oil & Gas Operator | Jul 2025 |
| 20388 | Nichols Oil Corp. | Holcomb, KS 67846 | Oil Operator | Dec 1994 |
| 20389 | Nichols Operating LLC | Fort Branch, IN 47648 | Oil & Gas Operator | Dec 2021 |
| 20390 | Nichols Water Service Inc | Forgan, OK 73938 | Oil & Gas Operator | May 2018 |
| 20391 | Nichols, Carl E. | Azle, TX 76098 | Oil & Gas Operator | Aug 2004 |
| 20392 | Nichols, Irl. A. Trust B | Duncan, OK 73534 | Oil & Gas Operator | Sep 2000 |
| 20393 | Nichols, John Wesley | Little Elm, TX 75068 | Oil & Gas Operator | Jul 2011 |
| 20394 | Nichols,Edwin S Explorations Inc | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 20395 | Nick Oil | Abilene, TX 79601 | Oil & Gas Operator | Jul 2025 |
| 20396 | Nickel Road Operating LLC | | Oil & Gas Operator | Sep 2024 |
| 20397 | Nickell & Son Oil & Salvage | Parker, KS 66072 | Oil Operator | Aug 2006 |
| 20398 | Nickell Drilling | | Oil Operator | Jun 2010 |
| 20399 | Nickell Oil Company | Walters, OK 73572 | Oil Operator | Apr 2018 |
| 20400 | Nickerson, Royal | Clymer, NY 14724 | Gas Operator | Dec 2024 |