OPS, Inc. has worked for a number of companies including, but not limited to:
Century Exploration
Chevron
El Paso
Energy Resource Technology
ENI
Forest Oil
Helis Oil & Gas
Me Mo Ran Oil & Gas
Merit Energy
Palur/Pisces Energy
Petro Venture
Petro Hawk
PetroQuest
SPN Resources
Stone Energy
Trunkline Gas
Virgin Offshore
W&T Offshore