| Rank |
Company |
Revenue
($ millions) |
Assets |
| # 1 |
Occidental Petroleum Corporation |
36,634 |
72,609 |
| # 2 |
Schlumberger N.V. |
28,091 |
43,135 |
| # 3 |
EOG Resources Inc. |
25,702 |
41,371 |
| # 4 |
Pioneer Natural Resources Company |
24,294 |
35,740 |
| # 5 |
Halliburton Company |
20,297 |
23,255 |
| # 6 |
Devon Energy Corporation |
19,169 |
23,721 |
| # 7 |
Southwestern Energy Company |
15,002 |
12,926 |
| # 8 |
Ovintiv Inc. |
12,464 |
15,056 |
| # 9 |
EXPAND ENERGY Corp |
11,743 |
15,468 |
| # 10 |
Diamondback Energy, Inc. |
9,643 |
26,209 |
| # 11 |
Continental Resources, Inc. |
9,474 |
20,878 |
| # 12 |
Coterra Energy Inc. |
9,051 |
20,154 |
| # 13 |
Marathon Oil Corporation |
8,036 |
19,940 |
| # 14 |
EQT Corp |
7,498 |
22,670 |
| # 15 |
Par Pacific Holdings Inc. |
7,322 |
3,281 |
| # 16 |
ANTERO RESOURCES Corp |
7,138 |
14,118 |
| # 17 |
Liberty Energy Inc. |
4,149 |
2,576 |
| # 18 |
Range Resources Corporation |
4,147 |
6,626 |
| # 19 |
Murphy Oil Corporation |
3,933 |
10,309 |
| # 20 |
PDC Energy, Inc. |
3,846 |
7,983 |
| # 21 |
Civitas Resources Inc. |
3,791 |
7,971 |
| # 22 |
Chord Energy Corp |
3,647 |
6,631 |
| # 23 |
Comstock Resources Inc. |
3,628 |
5,694 |
| # 24 |
SM Energy Co |
3,359 |
5,716 |
| # 25 |
NexTier Oilfield Solutions Inc. |
3,245 |
1,727 |
| # 26 |
Callon Petroleum Company |
3,231 |
6,146 |
| # 27 |
Matador Resources Co |
3,058 |
5,555 |
| # 28 |
Crescent Energy Co |
3,057 |
6,020 |
| # 29 |
California Resources Corp |
2,707 |
3,967 |
| # 30 |
Nabors Industries Ltd. |
2,654 |
4,730 |
| # 31 |
Patterson-UTI Energy Inc. |
2,648 |
3,144 |
| # 32 |
Transocean Ltd. |
2,575 |
20,436 |
| # 33 |
ProFrac Holding Corp. |
2,426 |
2,934 |
| # 34 |
Helmerich & Payne, Inc. |
2,369 |
4,412 |
| # 35 |
Kosmos Energy Ltd. |
2,245 |
4,580 |
| # 36 |
Permian Resources Corp |
2,131 |
8,493 |
| # 37 |
Oceaneering International Inc. |
2,066 |
2,032 |
| # 38 |
Vital Energy, Inc. |
1,921 |
2,726 |
| # 39 |
Denbury Inc. |
1,715 |
2,327 |
| # 40 |
Earthstone Energy, Inc. |
1,695 |
3,937 |
| # 41 |
Magnolia Oil & Gas Corp |
1,694 |
2,573 |
| # 42 |
Talos Energy Inc. |
1,652 |
3,059 |
| # 43 |
Valaris Ltd |
1,603 |
2,860 |
| # 44 |
RPC Inc. |
1,602 |
1,129 |
| # 45 |
Northern Oil and Gas Inc. |
1,571 |
2,875 |
| # 46 |
Noble Corp plc |
1,414 |
5,235 |
| # 47 |
Select Water Solutions, Inc. |
1,387 |
1,223 |
| # 48 |
Gulfport Energy Corporation |
1,331 |
2,534 |
| # 49 |
ProPetro Holding Corp. |
1,280 |
1,336 |
| # 50 |
Expro Group Holdings N.V. |
1,279 |
1,937 |
| # 51 |
Hess Midstream LP |
1,275 |
3,588 |
| # 52 |
CNX Resources Corp |
1,261 |
8,516 |
| # 53 |
Ranger Oil Corporation |
1,145 |
2,014 |
| # 54 |
Berry Corp (bry) |
1,055 |
1,631 |
| # 55 |
W&T Offshore Inc. |
921 |
1,432 |
| # 56 |
Superior Energy Services, Inc. |
884 |
1,191 |
| # 57 |
Helix Energy Solutions Group Inc. |
873 |
2,389 |
| # 58 |
Viper Energy, Inc. |
866 |
2,920 |
| # 59 |
Diamond Offshore Drilling Inc. |
841 |
1,528 |
| # 60 |
KLX Energy Services Holdings, Inc. |
782 |
466 |
| # 61 |
HighPeak Energy, Inc. |
756 |
2,279 |
| # 62 |
SilverBow Resorces Inc. |
753 |
1,716 |
| # 63 |
Gran Tierra Energy Inc. |
711 |
1,336 |
| # 64 |
Black Stone Minerals, L.P. |
664 |
1,271 |
| # 65 |
Ranger Energy Services, Inc. |
609 |
382 |
| # 66 |
Nine Energy Service, Inc. |
593 |
427 |
| # 67 |
Tetra Technologies Inc. |
553 |
434 |
| # 68 |
Unit Corporation |
546 |
469 |
| # 69 |
Granite Ridge Resources, Inc. |
497 |
795 |
| # 70 |
Core Laboratories N.V. |
490 |
578 |
| # 71 |
Blue Dolphin Energy Co |
488 |
84 |
| # 72 |
Amplify Energy Corp. |
458 |
459 |
| # 73 |
Tellurian Inc. |
392 |
1,427 |
| # 74 |
Sitio Royalties Corp. |
370 |
5,171 |
| # 75 |
Mammoth Energy Services Inc. |
362 |
725 |
| # 76 |
Battalion Oil Corporation |
359 |
485 |
| # 77 |
VAALCO Energy Inc. |
354 |
856 |
| # 78 |
CSI Compressco LP |
353 |
722 |
| # 79 |
Ring Energy Inc. |
347 |
1,269 |
| # 80 |
Riley Exploration Permian, Inc. |
322 |
515 |
| # 81 |
Aris Water Solutions, Inc. |
321 |
1,303 |
| # 82 |
Vitesse Energy, Inc. |
300 |
660 |
| # 83 |
Vantage Drilling International |
279 |
579 |
| # 84 |
SandRidge Energy Inc. |
254 |
600 |
| # 85 |
Kimbell Royalty Partners, LP |
248 |
1,077 |
| # 86 |
Independence Contract Drilling Inc. |
187 |
430 |
| # 87 |
ALPINE SUMMIT ENERGY PARTNERS, INC. |
186 |
344 |
| # 88 |
Dorchester Minerals L.P. |
171 |
176 |
| # 89 |
NCS Multistage Holdings, Inc. |
156 |
139 |
| # 90 |
EVOLUTION PETROLEUM CORP |
141 |
132 |
| # 91 |
PrimeEnergy Resources Corporation |
125 |
247 |
| # 92 |
ENERGY 11, L.P. |
112 |
374 |
| # 93 |
Natural Gas Services Group Inc. |
85 |
328 |
| # 94 |
Epsilon Energy Ltd. |
70 |
124 |
| # 95 |
ENERGY RESOURCES 12, L.P. |
58 |
207 |
| # 96 |
Empire Petroleum Corporation |
53 |
72 |
| # 97 |
PHX Minerals Inc. |
53 |
156 |
| # 98 |
Abraxas Petroleum Corporation |
50 |
71 |
| # 99 |
U.S. Energy Corp. |
45 |
118 |
| # 100 |
Dawson Geophysical Company |
37 |
61 |