| Fiserv Inc. | FI | 89.6B | 152.25 | 159.82 | 109.61 |
| Schlumberger NV | SLB | 69.9B | 49.11 | 61.45 | 41.98 |
| Halliburton Company | HAL | 34.3B | 38.72 | 42.86 | 27.37 |
| Baker Hughes Co | BKR | 32.8B | 32.67 | 36.74 | 26.54 |
| Tenaris SA ADR | TS | 21.5B | 37.32 | 40.28 | 24.47 |
| TechnipFMC PLC | FTI | 11.3B | 25.72 | 26.95 | 12.43 |
| NOV Inc. | NOV | 7.4B | 18.83 | 21.43 | 13.91 |
| ChampionX Corporation | CHX | 6.6B | 34.65 | 39.34 | 24.99 |
| Tidewater Inc | TDW | 4.8B | 92.67 | 99.13 | 39.60 |
| Liberty Oilfield Services Inc | LBRT | 3.8B | 22.76 | 23.01 | 11.58 |
| Atlas Energy Solutions Inc. | AESI | 3.5B | 22.47 | 23.84 | 15.12 |
| Cactus Inc | WHD | 3.4B | 52.32 | 56.34 | 31.33 |
| Archrock Inc | AROC | 3.1B | 19.84 | 21.08 | 8.71 |
| USA Compression Partners LP | USAC | 2.5B | 24.75 | 27.65 | 17.10 |
| Nextier Oilfield Solutions Inc | NEX | 2.4B | 10.61 | 11.92 | 6.75 |
| Oceaneering International Inc | OII | 2.3B | 23.05 | 27.19 | 15.31 |
| RPC Inc | RES | 1.7B | 7.92 | 9.18 | 6.38 |
| Helix Energy Solutions Group Inc | HLX | 1.7B | 11.01 | 11.87 | 6.28 |
| Now Inc | DNOW | 1.6B | 14.77 | 15.43 | 8.89 |
| Select Energy Services Inc | WTTR | 1.1B | 9.36 | 9.52 | 6.83 |
| Target Hospitality Corp | TH | 1.1B | 11.01 | 16.36 | 8.51 |
| US Silica Holdings Inc | SLCA | 1B | 12.85 | 14.36 | 10.15 |
| MRC Global Inc | MRC | 1B | 11.67 | 12.89 | 8.55 |
| ProPetro Holding Corp | PUMP | 0.9B | 8.66 | 10.84 | 6.41 |
| National Energy Services Reunited Corp | NESR | 855M | 9.00 | 9.20 | 2.85 |
| Seacor Holdings Inc | CKH | 848.8M | 0.00 | 43.66 | 24.13 |
| Core Laboratories NV | CLB | 771.4M | 16.53 | 27.39 | 14.11 |
| Bristow Group Inc | VTOL | 741.2M | 26.11 | 31.30 | 21.21 |
| Dril-Quip Inc | DRQ | 657.4M | 19.10 | 30.53 | 19.10 |
| ChampionX Corporation | APY | 654.9M | 0.00 | 35.25 | 2.89 |
| Newpark Resources Inc | NR | 624.5M | 7.26 | 7.69 | 3.46 |
| Tetra Technologies Inc | TTI | 587.5M | 4.45 | 6.54 | 2.60 |
| North American Construction Group Ltd | NOA | 574.9M | 21.42 | 25.38 | 18.04 |
| SES AI Corp | SES | 447.3M | 1.26 | 3.14 | 1.15 |
| FTS International Inc | FTSI | 372.5M | 26.49 | 28.94 | 18.27 |
| Solaris Oilfield Infrastructure Inc | SOI | 372.1M | 8.50 | 10.82 | 6.63 |
| CSI Compressco LP | CCLP | 342M | 2.42 | 2.42 | 1.03 |
| Oil States International Inc | OIS | 337.1M | 5.25 | 8.96 | 5.25 |
| Dmc Global Inc | BOOM | 334.3M | 16.69 | 26.72 | 15.58 |
| Matrix Service Co | MTRX | 315.1M | 11.54 | 13.37 | 4.76 |
| Natural Gas Services Group Inc | NGS | 301.8M | 24.27 | 24.27 | 9.59 |
| Ranger Energy Services Inc | RNGR | 242.1M | 10.37 | 14.28 | 9.38 |
| Forum Energy Technologies Inc | FET | 239.5M | 19.45 | 27.48 | 17.76 |
| RigNet Inc | RNET | 204.7M | 0.00 | 10.95 | 0.84 |
| Geospace Technologies Corporation | GEOS | 166.2M | 12.48 | 15.76 | 6.72 |
| Parker Drilling Company | PKDC | 165.5M | 13.00 | 13.00 | 9.00 |
| Exterran Corp | EXTN | 159.9M | 4.58 | 7.60 | 2.84 |
| Mammoth Energy Services Inc | TUSK | 158.2M | 3.32 | 5.63 | 3.15 |
| KLX Energy Services Holdings Inc | KLXE | 119.3M | 7.13 | 12.38 | 7.00 |
| Gulf Island Fabrication Inc | GIFI | 111.4M | 6.82 | 7.72 | 2.99 |
| Era Group Inc | ERA | 105M | 0.00 | 11.97 | 3.50 |
| Flotek Industries Inc | FTK | 103.2M | 3.48 | 5.52 | 2.75 |
| Smart Sand Inc | SND | 89.9M | 2.09 | 2.42 | 1.48 |
| Profire Ene | PFIE | 87.1M | 1.85 | 3.09 | 1.11 |
| Nine Energy Service Inc | NINE | 81.2M | 2.30 | 5.12 | 1.88 |
| North European Oil Royalty Trust | NRT | 62.5M | 6.80 | 15.77 | 4.84 |
| Covia Holdings Corporation | CVIA | 60.8M | 0.00 | 3.25 | 0.36 |
| Dawson Geophysical Company | DWSN | 47.5M | 1.54 | 2.13 | 1.09 |
| NCS Multistage Holdings Inc | NCSM | 40.6M | 16.35 | 22.90 | 12.22 |
| Superior Drilling Products Inc | SDPI | 38M | 1.25 | 1.80 | 0.62 |
| Hi-Crush Inc | HCR | 24.5M | 0.00 | 3.25 | 0.15 |
| Quintana Energy Services Inc | QES | 23M | 0.00 | 4.04 | 0.59 |
| Superior Energy Services Inc | SPN | 19.6M | 0.00 | 6.07 | 0.07 |
| Recon Technology Ltd | RCON | 15.1M | 0.09 | 0.42 | 0.08 |
| ION Geophysical Corporation | IO | 10.9M | 0.35 | 2.64 | 0.33 |
| Marine Petroleum Trust | MARPS | 8.6M | 4.31 | 7.18 | 3.90 |
| SAExploration Holdings Inc | SAEX | 7.6M | 0.00 | 3.95 | 0.95 |
| Enservco Co | ENSV | 6.8M | 0.25 | 0.45 | 0.18 |
| Cypress Environmental Partners L.P. | CELP | 5.3M | 0.49 | 2.58 | 0.42 |
| CARBO Ceramics Inc | CRRT | 1.8M | 0.00 | 2.99 | 0.01 |
