|
NOA
|
North American Energy Partners, Inc.
|
US
|
NYSE
|
|
NORAM
|
NorAm Drilling AS
|
NO
|
OL
|
|
NOV
|
NOV Inc
|
MX
|
MX
|
|
NOV
|
National Oilwell Varco, Inc.
|
US
|
NYSE
|
|
NR
|
Newpark Resources, Inc.
|
US
|
NYSE
|
|
NSFDF
|
NXT Energy Solutions Inc
|
US
|
OTC
|
|
NTQ
|
Enteq Upstream Plc
|
UK
|
LSE
|
|
NWPIF
|
ClearStream Energy Services Inc
|
US
|
OTC
|
|
OII
|
Oceaneering International, Inc.
|
US
|
NYSE
|
|
OIS
|
Oil States International, Inc.
|
US
|
NYSE
|
|
OSXB3
|
OSX Brasil S.A
|
BR
|
SA
|
|
OTS
|
Oceanteam ASA
|
NO
|
OL
|
|
PFC
|
Petrofac Limited
|
UK
|
LSE
|
|
PFIE
|
Profire Energy, Inc.
|
US
|
NASDAQ
|
|
PGS
|
PGS ASA
|
NO
|
OL
|
|
PKPK
|
Perdana Karya Perkasa Tbk
|
ID
|
JK
|
|
PLSDF
|
Pulse Seismic Inc
|
US
|
OTC
|
|
POOSF
|
Poseidon Concepts Corp
|
US
|
US
|
|
PRES
|
Pressure Technologies Plc
|
UK
|
LSE
|
|
PSYTF
|
Pason Systems Inc
|
US
|
OTC
|