|
NEX
|
NexTier Oilfield Solutions Inc.
|
US
|
NYSE
|
|
NINE
|
Nine Energy Service, Inc.
|
US
|
NYSE
|
|
NOA
|
North American Energy Partners, Inc.
|
US
|
NYSE
|
|
NOG
|
Northern Oil and Gas, Inc.
|
US
|
NYSE
|
|
NOV
|
National Oilwell Varco, Inc.
|
US
|
NYSE
|
|
NS
|
Nustar Energy L.P.
|
US
|
NYSE
|
|
NSS
|
NuStar Logistics, L.P. 7.625% Fixed-to-Floating Rate Subordinated Notes due 2043
|
US
|
NYSE
|
|
OII
|
Oceaneering International, Inc.
|
US
|
NYSE
|
|
OIS
|
Oil States International, Inc.
|
US
|
NYSE
|
|
OXY
|
Occidental Petroleum Corporation
|
US
|
NYSE
|
|
PAA
|
Plains All American Pipeline, L.P.
|
US
|
NASDAQ
|
|
PARR
|
Par Petroleum Corporation.
|
US
|
NYSE
|
|
PBA
|
Pembina Pipeline Corp.
|
US
|
NYSE
|
|
PDCE
|
PDC Energy, Inc.
|
US
|
NASDAQ
|
|
PDS
|
Precision Drilling Corporation
|
US
|
NYSE
|
|
PNRG
|
PrimeEnergy Corporation
|
US
|
NASDAQ
|
|
PSX
|
Phillips 66
|
US
|
NYSE
|
|
PXE
|
PowerShares Dynamic Energy E&P
|
US
|
AMEX
|
|
PXJ
|
PowerShares Dynamic Oil Services
|
US
|
AMEX
|
|
RCON
|
Recon Technology, Ltd.
|
US
|
NASDAQ
|