T.D. Williamson

About T.D. Williamson

T.D. Williamson (TDW) provides proven solutions that keep pressurized pipeline systems operating safely and efficiently. Since 1920, TDW has helped operators solve complex challenges through continuous innovation and field-proven performance. TDW leads in hot tapping and advanced isolation, including field-proven systems such as SmartPlug and SHiiELD. These solutions help operators maintain uptime, reduce risk and safely perform critical work without shutdowns. TDW also delivers industry-leading pigging solutions, supporting inline inspection, cleaning, gauging and batching across the full pipeline lifecycle. Integrity services include assessment, repair and maintenance to extend asset life and improve performance. Operating in more than 35 countries, TDW partners with pipeline operators across North America, Europe, the Middle East and Asia Pacific. Teams work alongside customers in the field to protect critical infrastructure and support progress toward net-zero goals.