56 securities that are traded on U.S. exchanges
| Symbol | Description | GICS sector | Category1 | Category2 | Category3 | Market Cap | Average Volume | |
|---|---|---|---|---|---|---|---|---|
| AROC | Archrock Inc | Energy | US Equity | Common stocks | Small cap | $1,226,321,667 | 825,104 | |
| BKR | Baker Hughes Company Class A | Energy | US Equity | Common stocks | Large cap | $26,170,867,200 | 11,825,583 | |
| BOOM | Dmc Global Inc | Energy | US Equity | Common stocks | Small cap | $446,803,088 | 89,247 | |
| CCLP | CSI Compressco LP | Energy | US Equity | MLPs | Micro cap | $180,753,848 | 36,332 | |
| CHX | ChampionX Corporation | Energy | US Equity | Common stocks | Mid cap | $4,442,201,247 | 1,896,876 | |
| CLB | Core Laboratories Nv | Energy | US Equity | Common stocks | Small cap | $798,639,673 | 468,677 | |
| DNOW | Now Inc | Industrials | US Equity | Common stocks | Small cap | $1,248,792,038 | 655,375 | |
| DRQ | Dril Quip Inc | Energy | US Equity | Common stocks | Small cap | $818,786,512 | 262,560 | |
| DWSN | Dawson Geophysical | Energy | US Equity | Common stocks | Micro cap | $38,933,158 | 3,836 | |
| ENSV | Enservco Corp | Energy | US Equity | Common stocks | Micro cap | $18,961,178 | 155,369 | |
| EXTN | Exterran Corp | Energy | US Equity | Common stocks | Micro cap | $156,906,458 | 214,345 | |
| FET | Forum Energy Technologies Inc | Energy | US Equity | Common stocks | Micro cap | $145,426,727 | 35,297 | |
| FTI | TechnipFMC PLC | Energy | US Equity | Common stocks | Mid cap | $3,961,373,055 | 7,416,436 | |
| FTK | Flotek Industries Inc | Materials | US Equity | Common stocks | Micro cap | $94,999,605 | 233,399 | |
| GEOS | Geospace Technologies Corp | Energy | US Equity | Common stocks | Micro cap | $61,981,107 | 46,498 | |
| GIFI | Gulf Island Fabrication Inc | Energy | US Equity | Common stocks | Micro cap | $61,941,244 | 19,361 | |
| HAL | Halliburton | Energy | US Equity | Common stocks | Large cap | $26,818,343,868 | 9,751,692 | |
| HLX | Helix Energy Solutions Group Inc | Energy | US Equity | Common stocks | Small cap | $623,606,511 | 2,540,809 | |
| KLXE | KLX Energy Services Holdings Inc | Energy | US Equity | Common stocks | Micro cap | $75,513,421 | 154,378 | |
| LBRT | Liberty Oilfield Services Inc. Class A | Energy | US Equity | Common stocks | Mid cap | $2,595,475,246 | 3,269,474 | |
| MARPS | Marine Petroleum Trust Units Of Beneficial Interest | Energy | US Equity | Royalty trusts | Micro cap | $15,010,000 | 39,678 | |
| MRC | Mrc Global Inc | Industrials | US Equity | Common stocks | Small cap | $835,669,485 | 708,917 | |
| MTRX | Matrix Service | Industrials | US Equity | Common stocks | Micro cap | $154,581,266 | 173,614 | |
| NCSM | NCS Multistage Holdings Inc | Energy | US Equity | Common stocks | Micro cap | $72,011,549 | 4,177 | |
| NESR | National Energy Services Reunited Corp. | Energy | US Equity | Common stocks | Small cap | $635,059,723 | 201,218 | |
| NGS | Natural Gas Services Group Inc | Energy | US Equity | Common stocks | Micro cap | $126,744,607 | 42,251 | |
| NINE | Nine Energy Service Inc. | Energy | US Equity | Common stocks | Micro cap | $104,073,693 | 474,677 | |
| NOA | North American Construction Group Ltd. | Energy | US Equity | Common stocks | Small cap | $348,607,971 | 53,409 | |
| NOV | National Oilwell Varco Inc | Energy | US Equity | Common stocks | Mid cap | $7,239,336,713 | 3,713,102 | |
| NR | Newpark Resources Inc | Energy | US Equity | Common stocks | Micro cap | $260,379,091 | 573,432 | |
| NRT | North European Oil Royalty Trust | Energy | US Equity | Common stocks | Micro cap | $153,850,477 | 54,578 | |
| OII | Oceaneering International Inc | Energy | US Equity | Common stocks | Small cap | $935,421,368 | 1,092,739 | |
| OIS | Oil States International Inc | Energy | US Equity | Common stocks | Small cap | $333,552,415 | 701,003 | |
| PFHC | ProFrac Holding Corp. - Class A | Energy | US Equity | Common stocks | Small cap | $755,461,895 | 214,323 | |
| PFIE | Profire Energy Inc | Energy | US Equity | Common stocks | Micro cap | $60,672,767 | 67,201 | |
| PUMP | Propetro Holding Corp | Energy | US Equity | Common stocks | Small cap | $918,230,456 | 1,528,647 | |
| RCON | Recon Technology, Ltd. | Energy | US Equity | Common stocks | Micro cap | $21,931,010 | 117,099 | |
| RES | RPC, Inc. | Energy | US Equity | Common stocks | Small cap | $1,681,295,234 | 1,287,750 | |
| RNGR | Ranger Energy Services, Inc. Class A | Energy | US Equity | Common stocks | Micro cap | $219,382,528 | 17,634 | |
| SDPI | Superior Drilling Products Inc | Energy | US Equity | Common stocks | Micro cap | $26,540,901 | 62,347 | |
| SLB | Schlumberger Nv | Energy | US Equity | Common stocks | Large cap | $52,530,380,125 | 12,078,300 | |
| SLCA | Us Silica Holdings Inc | Energy | US Equity | Common stocks | Small cap | $1,134,088,866 | 1,209,033 | |
| SND | Smart Sand Inc | Energy | US Equity | Common stocks | Micro cap | $96,928,131 | 269,571 | |
| SOI | Solaris Oilfield Infrastructure, Inc. Class A | Energy | US Equity | Common stocks | Small cap | $363,890,402 | 227,006 | |
| TDW | Tidewater Inc. | Energy | US Equity | Common stocks | Small cap | $868,270,982 | 447,527 | |
| TH | Target Hospitality Corp. | Consumer Discretionary | US Equity | Common stocks | Small cap | $1,236,750,222 | 1,314,935 | |
| TS | Tenaris SA ADRs | Energy | US Equity | ADRs | Large cap | $16,161,549,203 | 2,218,963 | |
| TTI | Tetra Technologies Inc | Energy | US Equity | Common stocks | Small cap | $530,977,468 | 1,374,381 | |
| TUSK | Mammoth Energy Services Inc | Energy | US Equity | Common stocks | Micro cap | $188,302,835 | 117,507 | |
| USAC | USA Compression Partners LP | Energy | US Equity | MLPs | Small cap | $1,744,324,134 | 152,822 | |
| VAL | Valaris Limited | Energy | US Equity | Common stocks | Mid cap | $3,796,516,624 | 628,962 | |
| VTOL | Bristow Group, Inc. | Energy | US Equity | Common stocks | Small cap | $804,282,190 | 75,809 | |
| WFRD | Weatherford International plc | Energy | US Equity | Common stocks | Small cap | $1,741,060,842 | 474,087 | |
| WHD | Cactus Inc Class A | Energy | US Equity | Common stocks | Mid cap | $2,633,278,056 | 479,843 | |
| WTTR | Select Energy Services Inc Class A | Energy | US Equity | Common stocks | Small cap | $681,893,016 | 441,896 | |
| XPRO | Expro Group Holdings N.V. | Energy | US Equity | Common stocks | Small cap | $1,417,485,151 | 365,963 | |
| TOTAL | 56 |
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