|
|
Somerset Water Resources |
|
|
PDC Mountaineer (Petroleum Development Corp) |
|
|
Northeast Energy (Interstate Gas) |
|
|
Anschutz |
|
|
Cabot Oil & Gas |
|
|
Baker Gas |
|
|
Williams |
|
|
BLX |
|
|
Spectra |
|
|
Southwestern Energy |
|
|
Turm Oil |
|
|
Tanglewood Exploration |
|
|
MDS Energy |
|
|
Vista Resources |
|
|
Vineyard Oil & Gas |
|
|
Victory Energy |
|
|
Ultra Petroleum |
|
|
US Energy Exploration |
|
|
Texas Keystone |
|
|
Rex Energy |
|
|
Snyder Brothers |
|
|
Shell |
|
|
PA General Energy |
|
|
Energy Corp of America |
|
|
Range Resources |
|
|
EOG Resources |
|
|
Consol Energy |
|
|
Seneca Resources (National Fuel) |
|
|
EQT |
|
|
Alpha Natural Resources |
|
|
Chevron (Atlas) |
|
|
Marathon Oil |
|
|
Hess |
|
|
Exxon Mobil |
|
|
EXCO Resources |
|
|
Chief Oil & Gas |
|
|
Chesapeake Energy |
|
|
Anadarko |
|
|
Patriot Exploration (Amerikohl Mining) |
|
|
Dominion |
