Nondestructive testing (NDT), also called nondestructive evaluation (NDE) and nondestructive inspection (NDI), is testing that does not destroy the test object. Trigon | Kleinfelder is staffed by experienced professionals with up to 23 years of experience in the NDT and Steel Inspection methods. Our staff has extensive project experience in the fields of steel fabrication, steel contruction, fossil fuel/nuclear power generation, oil refining, aerospace, concrete, pressurized systems and bridege/freeway construction. In addition, Trigon | Kleinfelder’s NDT and Steel Inspection Department utilizes the latest technologies and equipment to satisfactorily perform and report on your inspection requirements.