Exploration & Production – An E&P company is known to be in a specific sector within the oil and gas industry. Companies involved in the high-risk/high-reward area of exploration and production focus on finding, augmenting, producing and merchandising different types of oil and gas.

Pioneer Natural Resources – $PXD
Anadarko Petroleum Corporation – $APC
Apache Corporation – $APC
Chesapeake Energy Corporation – $CHK
ConocoPhillips – $COP
Continental Resources – $CLR
Devon Energy – $DVN
EOG Resources – EOG
Hess Corporation – HES
Laredo Petroleum – $LPI
Linn Energy – $LINE
Marathon Oil – MPC
Murphy Oil – $MUR
Occidental Petroleum – $OXY
Plains Exploration & Production – $PAA
SandRidge Energy – $SN
Vaalco Energy – $EGY