T D Willamson

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T.D. Williamson, also known as TDW, is an electrical contracting firm that specializes in pipeline equipment and services for onshore and offshore applications. It offers hot tapping and plugging, pipeline cleaning, geometry inspection and pigging services for various pressurized pipeline systems. Founded in 1920, the company provides electric motors for gas booster and electric generator stations and drilling oil wells. In addition, T.D. Williamson designs and manufactures monitoring, pigging, tapping and plugging piping systems. It also offers fittings, valves, pipe plugs and clamps. The company has manufacturing facilities in the United States, Belgium, England, India and Singapore. T.D. Williamson is staffed with engineers, project managers and technicians.