Member Companies

This list is made from self-reported SIC codes that companies file with the SEC.

Country Exchange Ticker Name Market Cap ($MM)
NO OB ARCH Archer Limited
US NYSE ARIS Aris Water Solutions, Inc.
US OTCPK CDVIQ Cal Dive International, Inc.
US NYSE CLB Core Laboratories Inc.
DE XTRA DR0 Deutsche Rohstoff AG
US ARCA SEMG EA Series Trust - Suncoast Select Growth ETF
US OTCPK ERHE ERHC Energy Inc.
US OTCPK ENGT Energy & Technology, Corp.
US OTCPK ENSV Enservco Corporation
US NYSE XPRO Expro Group Holdings N.V.
DE DB FIV0 Fiserv, Inc.
US NYSE FI Fiserv, Inc.
BR BOVESPA F1IS34 Fiserv, Inc. - Depositary Receipt (Common Stock)
US OTCPK FLSS Forbes Energy Services Ltd.
FR ENXTPA GTT Gaztransport & Technigaz SA
US OTCPK GZPZY Gaztransport & Technigaz SA - Depositary Receipt (Common Stock)
US OTCPK GNOLF Genoil Inc.
US NYSE HAL Halliburton Company
AR BASE HALD Halliburton Company - Depositary Receipt (Common Stock)
BR BOVESPA HALI34 Halliburton Company - Depositary Receipt (Common Stock)
US ARCA EMES Harbor ETF Trust - Harbor Emerging Markets Select ETF
US NYSE HLX Helix Energy Solutions Group, Inc.
US NasdaqGS KLXE KLX Energy Services Holdings, Inc.
US OTCPK KEGX Key Energy Services, Inc.
US NYSE LBRT Liberty Energy Inc.
US NasdaqGS TUSK Mammoth Energy Services, Inc.
US NasdaqCM NCSM NCS Multistage Holdings, Inc.
US NasdaqCM NESR National Energy Services Reunited Corp.
US NYSE NGS Natural Gas Services Group, Inc.
US NYSE NINE Nine Energy Service, Inc.
CA TSX NOA North American Construction Group Ltd.
US NYSE OII Oceaneering International, Inc.
US NasdaqGS ACDC ProFrac Holding Corp.
US NYSE PUMP ProPetro Holding Corp.
US NYSE RES RPC, Inc.
US NYSE RNGR Ranger Energy Services, Inc.
NO OB REACH Reach Subsea ASA
US NasdaqCM RCON Recon Technology, Ltd.
US NYSE SLB Schlumberger Limited
AR BASE SLB Schlumberger Limited - Depositary Receipt (Common Stock)
BR BOVESPA SLBG34 Schlumberger Limited - Depositary Receipt (Common Stock)
US NYSE WTTR Select Water Solutions, Inc.
NO OB SUBC Subsea 7 S.A.
US OTCPK SUBCY Subsea 7 S.A. - Depositary Receipt (Common Stock)
CA TSX TOT Total Energy Services Inc.
CA TSX TCW Trican Well Service Ltd.