|
OI2
|
Oil States International Inc
|
DE
|
F
|
|
PE1
|
Patterson-UTI Energy Inc
|
DE
|
F
|
|
PRE1
|
PRECISION DRILLING CORP.
|
DE
|
F
|
|
RLD
|
RPC Inc
|
DE
|
F
|
|
RO1
|
Caspian Sunrise plc
|
DE
|
F
|
|
RXI
|
Rex International Holding Limited
|
DE
|
F
|
|
S4O0
|
SOURCE ENERGY SERVICES
|
DE
|
F
|
|
SCL
|
Schlumberger Limited
|
DE
|
F
|
|
TGI
|
TETRA Technologies Inc
|
DE
|
F
|
|
TWZ
|
Trican Well Service Ltd
|
DE
|
F
|
|
X9P
|
ChampionX Corporation
|
DE
|
F
|
|
YIZH
|
Sinopec Oilfield Service Corporation
|
DE
|
F
|
|
4DS
|
Daldrup & Söhne Aktiengesellschaft
|
DE
|
XETRA
|
|
68V
|
BAKER HUGHES CO.
|
DE
|
XETRA
|
|
BRY
|
Bri-Chem Corp.
|
CA
|
TO
|
|
CEU
|
CES Energy Solutions Corp
|
CA
|
TO
|
|
CFW
|
Calfrac Well Services Ltd.
|
CA
|
TO
|
|
ESI
|
Ensign Energy Services Inc
|
CA
|
TO
|
|
FAR
|
Foraco International SA
|
CA
|
TO
|
|
GEO
|
Geodrill Limited
|
CA
|
TO
|