Description. GEM Mobile Treatment Services, an Evergreen North America company, is a leading provider of environmental and industrial cleaning solutions to the downstream and midstream energy sectors. We are leaders in each of our respective service lines, including Vapor Control, Chemical Cleaning, Tank Cleaning, Water Treatment, Vacuum Services, Hydroblasting, Hydroexcavation, and Industrial Logistics & Transportation. We currently have opening for a Maintenance Technician at our La Porte, TX Branch. Duties. The Maintenance Technician provides maintenance and inspection services for company ... view job details