|
CHX
|
ChampionX Corporation
|
US
|
NASDAQ
|
|
DRQ
|
Dril-Quip, Inc.
|
US
|
NYSE
|
|
GBR
|
New Concept Energy, Inc
|
US
|
AMEX
|
|
HP
|
Helmerich & Payne, Inc.
|
US
|
NYSE
|
|
MVO
|
MV Oil Trust Units of Beneficial Interests
|
US
|
NYSE
|
|
MXC
|
Mexco Energy Corporation
|
US
|
AMEX
|
|
NOV
|
National Oilwell Varco, Inc.
|
US
|
NYSE
|
|
PXJ
|
PowerShares Dynamic Oil Services
|
US
|
AMEX
|
|
RCON
|
Recon Technology, Ltd.
|
US
|
NASDAQ
|
|
RES
|
RPC, Inc.
|
US
|
NYSE
|
|
RIG
|
Transocean Ltd (Switzerland)
|
US
|
NYSE
|
|
GSVI
|
GSV, Inc
|
US
|
OTC
|
|
HENI
|
Hinto Energy Inc
|
US
|
OTC
|
|
HLRTF
|
Hillcrest Res Ltd
|
US
|
OTC
|
|
PSSS
|
Puissant Industries Inc
|
US
|
OTC
|
|
CHY
|
Cypress Hills Resource Corp.
|
CA
|
TSXV
|
|
TCW
|
Trican Well Service Ltd.
|
CA
|
TSX
|
|
HTG
|
Hunting Plc
|
UK
|
LSE
|
|
TRMK
|
PAO TMK
|
RU
|
MCX
|
|
OKMN
|
Okmin Resources, Inc.
|
US
|
US
|