|
ASPN
|
Aspen Aerogels, Inc.
|
US
|
NYSE
|
|
BKR
|
Baker Hughes Company
|
US
|
NASDAQ
|
|
BOOM
|
Dynamic Materials Corporation
|
US
|
NASDAQ
|
|
BWO
|
BW Offshore Ltd
|
NO
|
OL
|
|
CAPD
|
Capital Drilling Limited
|
UK
|
LSE
|
|
CAWLF
|
Cwc Energy Services
|
US
|
OTC
|
|
CCLP
|
CSI Compressco LP
|
US
|
NASDAQ
|
|
CDVIQ
|
Cal Dive International Inc
|
US
|
US
|
|
CESDF
|
CES Energy Solutions Corp
|
US
|
OTC
|
|
CETEF
|
Cathedral Energy Svc
|
US
|
OTC
|
|
CFWFF
|
Calfrac Well Services Ltd
|
US
|
OTC
|
|
CGGYY
|
CGG
|
US
|
OTC
|
|
CHX
|
ChampionX Corporation
|
US
|
NASDAQ
|
|
CLB
|
Core Laboratories N.V.
|
US
|
NYSE
|
|
CLMPF
|
Canadian Premium Sand Inc
|
US
|
US
|
|
CMDXF
|
Computer Modelling Group Ltd
|
US
|
OTC
|
|
CSSV
|
Caspian Services Inc
|
US
|
US
|
|
CTBN
|
PT Citra Tubindo Tbk
|
ID
|
JK
|
|
DDRIL
|
Dolphin Drilling AS
|
NO
|
OL
|
|
DEXON
|
Dexon Technology PCL
|
TH
|
BK
|