Energy
Includes companies engaged in petroleum refining, asphalt paving, and the manufacture of roofing materials, and petroleum and coal products.
Energy Companies
- American Oil & Gas Inc. (1)
- Apollo Drilling Inc. (1)
- Appalachian Natural Gas Trust (2)
- Approach Resources Inc. (25)
- Arabian American Development Co. (28)
- Atlas Energy Resources LLC (1)
- Big Sky Energy Corp. (18)
- BP plc (11)
- Chesapeake Energy Corp. (62)
- ChevronTexaco Corp. (4)
- China Energy Ventures Corp. (9)
- China National Petroleum Corp. (4)
- China Petroleum & Chemical Corp. (5)
- Coffeyville Resources Inc. (3)
- EnerJex Resources Inc. (25)
- Enron Corp. (51)
- Exxon Mobil Corp. (2)
- Gushan Environmental Energy Ltd. (3)
- Halliburton Co. (38)
- Harken Energy Corp. (26)
- Ivanhoe Energy Inc. (33)
- PetroChina Co. Ltd. (14)
- Petroleum Geo-Services ASA (2)
- Royal Dutch Petroleum Co. (1)
- Schlumberger Ltd. (1)
- Syntroleum Corp. (3)
- Tom Brown Inc. (1)
- Transocean Inc. (14)
- Transocean Ltd. (8)
- Unocal Corp. (34)
- Warren Resources Inc. (17)
- Whistler Investments Inc. (3)
- Xethanol Corp. (15)