T.D. Williamson Company History Timeline


1933: T.D. Williamson, Inc. established

The Petroleum Electric Company became T.D. Williamson, Inc. (TDW) in 1933, operating out of Tulsa, Oklahoma.


1942: The first pigs are developed for the War Emergency Pipeline System


1956: Introduction of the first folding head STOPPLE® plugging machine


1961: Introduction of SHORTSTOPP® low pressure plugging machine


1964: TDW UK Ltd opens in Maidenhead, England


1970: TDW develops underwater tapping device


1972: Introduction of the KALIPER® pipeline geometric surveyor


1977: TDW performs the pipeline survey and provides the lead fill pig for startup of the Alyeska Pipeline

1977: New manufacturing plant in Tulsa


1979: First underwater plugging operation


1986: TDW Asia Pacific Ptc Ltd. opens in Singapore


1994: Completion of the largest hot tap in the Western Hemisphere


2005: TDW acquires Plugging Specialists International (PSI)


2007: Facilitating the Chicago O’Hare Modernization Project

2007: TDW locations on every continent except Antarctica


2009: Introduction of STOPPLE® Train double block and bleed isolation system


2010: New TDW manufacturing facility in India


2011: Largest-to-date hot tap and folding STOPPLE® plug operation in Vietnam


2012: TDW unveils remote-controlled Subsea Tapping Machine


2013: SmartTrack™ monitoring system goes global

2013: Record-high STOPPLE® Train pipeline pressure isolation


2014: STOPPLE® Train isolation milestone


2015: Launch of positive material identification process to comply with PHMSA regulation


©2022 Tulsa Historical Society & Museum

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Company Founded
Tulsa, OK
Company Headquarter
Bob McGrew,Tory Baker
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T.D. Williamson History FAQs

How Old Is T.d. Williamson?

T.D. Williamson is 103 years old.

Who Is The Founder Of T.d. Williamson?

Bob McGrew and Tory Baker founded T.D. Williamson.

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