|
ALB
|
Albemarle Corporation
|
US
|
NYSE
|
|
BKR
|
Baker Hughes Company
|
US
|
NASDAQ
|
|
CHX
|
ChampionX Corporation
|
US
|
NASDAQ
|
|
FTK
|
Flotek Industries, Inc.
|
US
|
NYSE
|
|
HAL
|
Halliburton Company
|
US
|
NYSE
|
|
RES
|
RPC, Inc.
|
US
|
NYSE
|
|
SDPI
|
Superior Drilling Products, Inc.
|
US
|
AMEX
|
|
SLB
|
Schlumberger N.V.
|
US
|
NYSE
|
|
TTI
|
Tetra Technologies, Inc.
|
US
|
NYSE
|
|
LBL
|
LaserBond Limited
|
AU
|
ASX
|
|
AUSDF
|
Ausdrill Ltd
|
US
|
OTC
|
|
BLFR
|
BlueFire Equipment Corporation
|
US
|
OTC
|
|
BLYFF
|
Boart Longyear Group Ltd
|
US
|
OTC
|
|
DDHLF
|
Ddh1 Ltd
|
US
|
OTC
|
|
ENQQF
|
Enteq Upstream Plc
|
US
|
OTC
|
|
EPIPF
|
Epiroc Aktiebolag
|
US
|
OTC
|
|
FRACF
|
Foraco Intl Marseil
|
US
|
OTC
|
|
HGHAF
|
High Arctic Energy Services Inc
|
US
|
OTC
|
|
IMDXF
|
Imdex Ltd
|
US
|
OTC
|
|
JPTXF
|
Japan Petroleum Exploration Co. Ltd
|
US
|
OTC
|