GEM Mobile Treatment Services is the world-wide leader in vapor control and waste water treatment services. We operate from six locations throughout the continental US, offering services ranging from thermal tank degassing, marine loading vapor control, vapor reduction of vessel and units related to turnaround activity, emissions control using a variety of liquid scrubbing technologies, liquid and vapor phase carbon adsorption, and oil-water separation. GEM has s history of bringing a solutions-orientated approach to customer environmental challenges.