Applied Technical Services (ATS) - Applied Technical Services, Engineering, Testing, and Inspection Services Since our founding in 1967, we have established a reputation with business, industry, and the legal profession for successfully uncovering facts in Metallurgy and Materials Testing, Chemical Analysis, Non-destructive Testing, Forensic and Consulting Engineering, Fire and Explosion Investigations, and Calibration Services. EngineeringServices Mechanical Engineering, Materials Engineering, Structural Engineering, Safety Engineering, ….