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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.

Website http://www.tdwilliamson.com
Revenue $543.1 million
Employees 1,901 (1,110 on RocketReach)
Founded 1920
Address 6120 South Yale Suite 1700, Tulsa, Oklahoma 74136, US
Phone +1 918-447-5000
Fax (918) 446-6327
Technologies
Industry Oil and Gas, Industrial Machinery & Equipment, Pipeline Services, Manufacturing, Energy, Hot Tapping and Plugging, Natural Resources, STOPPLE Plug, Pigging, SmartPig, SmartPlug, Pipeline Solutions, Pipeline Cleaning, Training, Inline Inspection
Web Rank 2 Million
Keywords Pipeline Solutions, Pipeline Integrity, Pipeline Maintenance, Pipeline Repair, Pipeline Inspection, Pipeline Testing, Pipeline Technology, Pipeline Operations, Pipeline Equipment, Pipeline Products, Pipeline Services, Asset Integrity Management, Pipeline Engineering, Flow Assurance, Energy Pipeline, Pipeline Construction
Competitors Xylem, Enbridge, BrandSafway, New Mountain Capital, SPS Companies, Inc, McElroy Manufacturing, Inc., A.Hak, O'Brien & Gere, Inline Services, LLC., Kennys Construction +27 more (view full list)
SIC SIC Code 353 Companies, SIC Code 35 Companies
NAICS NAICS Code 3332 Companies, NAICS Code 33 Companies, NAICS Code 333 Companies

T.D. Williamson Questions

The T.D. Williamson annual revenue was $543.1 million in 2026.

Bob McGrew is the President and CEO of T.D. Williamson.

1,110 people are employed at T.D. Williamson.

T.D. Williamson is based in Tulsa, Oklahoma.

The NAICS codes for T.D. Williamson are [3332, 33, 333].

The SIC codes for T.D. Williamson are [353, 35].

Top T.D. Williamson Employees

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