For more than 20 years Three Rivers Gamma (TRG) has been a leader in the non-destructive testing (NDT) industry.  Proudly serving a multitude of industries including manufacturing, construction, infrastructure, midstream/upstream energy and more from our centralized location in Burgettstown, Pennsylvania. We are proficient in all core NDT methods including Radiographic, Ultrasonic, Magnetic Particle, Liquid Penetrant and Visual Testing. We offer in-house and on-site inspection services including NACE coating inspections, Holiday Inspections and Tank/Vessel Inspection. We are a trusted resource for welder qualification certification, as well as in-house written welding procedures.  Our fully outfitted mobile rigs and licensed technicians are accustomed to call-out and emergency work and we would welcome the opportunity to partner with you on your next project.