About T.D. Williamson Inc
T.D. Williamson, is an international manufacturer and services provider of pipeline maintenance technology including hot tapping, plugging, fittings, rehab clamps and composite wraps, pipeline inspection and cleaning services, geometry MFL inspection, and remotely operated plugging pig technology, hydrostatic testing and drying, scraper traps, closures, launchers and receivers, pig signals, and pigs. We modify pipe systems without interrupting service.