|
CLB
|
Core Laboratories N.V.
|
US
|
NYSE
|
|
DO
|
Diamond Offshore Drilling, Inc.
|
US
|
NYSE
|
|
FLR
|
Fluor Corporation
|
US
|
NYSE
|
|
HAL
|
Halliburton Company
|
US
|
NYSE
|
|
NBR
|
Nabors Industries Ltd.
|
US
|
NYSE
|
|
PDS
|
Precision Drilling Corporation
|
US
|
NYSE
|
|
SND
|
Smart Sand, Inc.
|
US
|
NASDAQ
|
|
SOI
|
Solaris Oilfield Infrastructure, Inc.
|
US
|
NYSE
|
|
TUSK
|
Mammoth Energy Services, Inc.
|
US
|
NASDAQ
|
|
DDH
|
DDH 1 Drilling Pty Ltd
|
AU
|
ASX
|
|
AKTAF
|
Akita Drilling Ltd
|
US
|
OTC
|
|
AUSDF
|
Ausdrill Ltd
|
US
|
OTC
|
|
BLYFF
|
Boart Longyear Group Ltd
|
US
|
OTC
|
|
CAWLF
|
Cwc Energy Services
|
US
|
OTC
|
|
FRACF
|
Foraco Intl Marseil
|
US
|
OTC
|
|
OBGRF
|
Orbit Garant Drillin
|
US
|
OTC
|
|
PSYTF
|
Pason Systems Inc
|
US
|
OTC
|
|
SSOF
|
Sixty Six Oilfield Services Inc.
|
US
|
OTC
|
|
TOTZF
|
Total Energy Service
|
US
|
OTC
|
|
YZCFF
|
Sinopec Oilfield Service Corporation
|
US
|
OTC
|