DO
|
Diamond Offshore Drilling, Inc.
|
US
|
NYSE
|
DODRW
|
Diamond Offshore Drilling, Inc
|
US
|
OTC
|
ESI
|
Ensign Energy Services Inc
|
CA
|
TO
|
ESVIF
|
Ensign Energy Svcs
|
US
|
OTC
|
HAL
|
Halliburton Company
|
DE
|
XETRA
|
HP
|
Helmerich & Payne, Inc.
|
US
|
NYSE
|
HPC
|
Helmerich & Payne Inc
|
DE
|
F
|
ICD
|
Independence Contract Drilling, Inc.
|
US
|
NYSE
|
INVX
|
Innovex International, Inc
|
US
|
US
|
LAPD
|
Lapidoth
|
IL
|
TA
|
LPHL
|
Lapidoth-Heletz Limited Partnership
|
IL
|
TA
|
NBI1
|
Nabors Industries Ltd
|
DE
|
F
|
NBLRF
|
Noble Corp
|
US
|
OTC
|
NBLTF
|
Noble Corp
|
US
|
OTC
|
NBLWF
|
Noble Finance Corp
|
US
|
OTC
|
NBR
|
Nabors Industries Ltd.
|
US
|
NYSE
|
NBRWF
|
Nabors Industries Ltd
|
US
|
OTC
|
ND4
|
ODFJELL TECHNOLOGYLTD
|
DE
|
F
|
NEX
|
NexTier Oilfield Solutions Inc.
|
US
|
NYSE
|
NOBLE
|
Noble Corp. PLC
|
DK
|
CO
|