The companies listed below are currently and/or heavily recruiting graduates and soon to be graduates from either a Bachelor's or Master's program at the Montuniversität Leoben, School of Petrolum Engineering.  Please take note of the different application times and procedures.

Check out the SPE student chapter site for upcoming company recruitment presentations and/or job possibilites.
SPE Leoben Student Chapter

Career Recruitment Platforms
CSI Recruiting
Seadrill
OilExec Job Search
Earthworks Jobs Career Center
SPE UK Career Center

Recruting contact info for other industry leading companies.
BP
BakerAtlas
DrillTec
EON
OMV
Schlumberger
Shell
Smith Technologies
Wintershall
Weatherford