|
ACDC
|
ProFrac Holding Corp.
|
US
|
NASDAQ
|
|
ENSV
|
Enservco Corporation
|
US
|
AMEX
|
|
FTI
|
FMC Technologies, Inc.
|
US
|
NYSE
|
|
LBRT
|
Liberty Oilfield Services Inc.
|
US
|
NYSE
|
|
NBR
|
Nabors Industries Ltd.
|
US
|
NYSE
|
|
NEX
|
NexTier Oilfield Solutions Inc.
|
US
|
NYSE
|
|
PTEN
|
Patterson-UTI Energy, Inc.
|
US
|
NASDAQ
|
|
PUMP
|
ProPetro Holding Corp.
|
US
|
NYSE
|
|
RCON
|
Recon Technology, Ltd.
|
US
|
NASDAQ
|
|
SLCA
|
U.S. Silica Holdings, Inc.
|
US
|
NYSE
|
|
TUSK
|
Mammoth Energy Services, Inc.
|
US
|
NASDAQ
|
|
USNZ
|
Xtrackers Net Zero Pathway Paris Aligned US Equity ETF
|
US
|
AMEX
|
|
USWS
|
U.S. Well Services, Inc.
|
US
|
NASDAQ
|
|
WTTR
|
Select Energy Services, Inc.
|
US
|
NYSE
|
|
ZEST
|
Ecoark Holdings, Inc.
|
US
|
NASDAQ
|
|
ATONY
|
Anton Oilfld Sv ADR
|
US
|
OTC
|
|
BRYFF
|
Bri-Chem Corp
|
US
|
OTC
|
|
CESDF
|
CES Energy Solutions Corp
|
US
|
OTC
|
|
CFWFF
|
Calfrac Well Services Ltd
|
US
|
OTC
|
|
CFWWF
|
Calfrac Well Services Ltd
|
US
|
OTC
|