Thai Nondestructive Testing Public Company Limited, a technical service company, provides nondestructive engineering services in Thailand. It operates through three segments: Nondestructive Testing Services, Inspection Services for Pressure Vessel; and Solar PV Rooftop. The company offers a range of conventional nondestructive testing (NDT) services, including eddy current, magnetic particle, liquid penetrant, radiography, visual inspection, ultrasonic, leak, alternative current field measurement, and thermography image testing services, as well as coating holiday detectors. It also provides advance NDT and inspection services, such as column scanning, neutron backscattering, acoustic emission testing, advanced ultrasonic testing, computerized radiography, eddy current array, phased array ultrasonic corrosion mapping, pipeline radiography, pipeline ultrasonic testing, tank floor scan, tube inspection, and intelligent pigging services. In addition, the company engages in the rendering excavation and transportation services of coal for the coal mine concessionaire; generation and sale of electricity from coal-fired thermal power; and procurement and servicing of public utility systems and other related businesses, as well as offers advisory services for engineering. The company was incorporated in 1982 and is headquartered in Bangkok, Thailand.