
Tesco Corp.
*
44
8,723
RigNet, Inc.
*
178 8,532
Swift Energy Co.
*
630 8,505
Triangle Petroleum Corp.
*
997 8,295
W&T Offshore, Inc. 507 8,112
Athlon Energy, Inc.
*
266 8,047
Goodrich Petroleum Corp.
*
459 7,812
PHI, Inc.
*
180 7,812
Penn Virginia Corp.
*
810 7,638
Solazyme, Inc.
*,1
697 7,590
Pioneer Energy Services Corp.
*
911 7,297
Green Plains Renewable Energy, Inc. 375 7,271
Clayton Williams Energy, Inc.
*
86 7,048
Basic Energy Services, Inc.
*
440 6,943
Synergy Resources Corp.
*
743 6,880
ION Geophysical Corp.
*
1,943 6,412
GasLog Ltd. 374 6,392
Emerald Oil, Inc.
*
827 6,335
Forest Oil Corp.
*
1,746 6,303
Vaalco Energy, Inc.
*
848 5,843
Rentech, Inc.
*
3,305 5,784
Gastar Exploration, Inc.
*
815 5,640
Alon USA Energy, Inc. 340 5,624
Quicksilver Resources, Inc.
*,1
1,825 5,603
Willbros Group, Inc.
*
586 5,520
Vantage Drilling Co.
*
2,935 5,400
Natural Gas Services Group, Inc.
*
185 5,100
Gulf Island Fabrication, Inc. 208 4,830
Knightsbridge Tankers Ltd. 446 4,099
Dawson Geophysical Co.
*
117 3,957
Abraxas Petroleum Corp.
*
1,200 3,936
Callon Petroleum Co.
*
583 3,807
Endeavour International Corp.
*
692 3,633
Nuverra Environmental Solutions, Inc.
*
214 3,593
PetroQuest Energy, Inc.
*
831 3,590
Teekay Tankers Ltd. — Class A 913 3,588
Renewable Energy Group, Inc.
*
313 3,587
REX American Resources Corp.
*
78 3,487
Panhandle Oil and Gas, Inc. — Class A 104 3,475
Mitcham Industries, Inc.
*
193 3,418
Warren Resources, Inc.
*
1,066 3,347
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