T.D. Williamson

T.D. Williamson

Advanced pipeline isolation, pigging, integrity services

About T.D. Williamson

Simplify's Rating
Why T.D. Williamson is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Industrial & Manufacturing

Energy

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Tulsa, Oklahoma

Founded

1920

Overview

TDW specializes in advanced solutions for pressurized piping systems, serving onshore and offshore pipeline operators. It designs, manufactures specialized equipment and delivers aftermarket services to maximize uptime and throughput, avoid shutdowns, and minimize operational risks. Its offerings include advanced isolation products, integrated pigging technologies, and integrity assessment services, supported by design, development, and ongoing servicing of equipment. TDW differentiates itself through a broad, integrated portfolio that spans equipment and services from installation to maintenance, enabling continuous operation and safety with strong focus on safety and community involvement. The company aims to achieve zero incidents and engage in volunteer activities while providing reliable uptime, safety, and risk reduction to oil and gas, utility, and industrial customers globally.

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Simplify's Take

What believers are saying

  • SHiiELD meets EU methane regulations with zero-emission leak-proof isolation.
  • Apollo Funds investment and SCF majority stake fuel growth and innovation.
  • Petro-Line acquisition boosts midstream repair offerings for operators.

What critics are saying

  • Team Inc. undercuts Petro-Line with cheaper composite repairs in Canada.
  • OPEC+ cuts erode oil and gas pipeline investments in 12-24 months.
  • SCF divests stake in 18-24 months, sparking Apollo exit and R&D crisis.

What makes T.D. Williamson unique

  • SHiiELD provides four times throughput of traditional double block-and-bleed systems.
  • Petro-Line merger expands patented pipeline repair services in Western Canada.
  • Over century-long expertise in pigging and isolation solutions globally.

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Benefits

Flexible Work Hours

Company News

PR Newswire
Jan 20th, 2026
TDW launches SHiiELD pipeline isolation system with zero-emission sealing

T.D. Williamson has launched SHiiELD, a next-generation pipeline isolation tool that establishes a new standard for double independent isolation and bleed systems. The technology offers four times the throughput area of traditional double block-and-bleed solutions whilst delivering leak-proof performance and eliminating fugitive emissions. The system features two independently anchored modules with energised seals, providing redundant isolation that exceeds current safety and environmental standards. Remote activation and monitoring capabilities minimise operational risk and reduce downtime. "SHiiELD is changing the game of how operators isolate pipelines whilst meeting their emissions and safety goals," said TDW chief executive officer Bob McGrew. The Tulsa-based company operates in over 35 locations globally and has delivered pipeline integrity solutions for more than a century.

PR Newswire
Jan 20th, 2026
T.D. Williamson launches SHiiELD(TM) double independent isolation and bleed system

T.D. Williamson launches SHiiELD(TM) double independent isolation and bleed system. News provided by. TULSA, Okla., Jan. 20, 2026 /PRNewswire/ - T.D. Williamson (TDW), a global leader in pipeline solutions, announced the launch of TDW SHiiELD(TM), a next-generation pipeline isolation tool creating a new standard of double independent isolation and bleed (DiiB). Industry-first pipeline isolation solution SHiiELD technology delivers leak-proof performance, uncompromising safety, and four times the throughput area of traditional double block-and-bleed solutions while protecting the environment from fugitive emissions and reducing operational downtime. Engineered with two independently anchored modules and energized seals, SHiiELD provides a redundant isolation system that exceeds evolving safety and environmental standards. By achieving a certified, leak-proof seal and enabling remote activation and monitoring, SHiiELD minimizes operational risk, enhances pipeline efficiency, and ensures zero-emission isolation projects. Watch the SHiiELD(TM) video at tdw.red/SHiiELD to get up to speed on what the system delivers. "SHiiELD is changing the game of how operators isolate pipelines while meeting their emissions and safety goals," said TDW Chief Executive Officer Bob McGrew. "By combining true redundancy with best-in-class throughput and remote activation, SHiiELD ensures the safest possible isolation for personnel and the environment. This innovative technology underscores TDW's commitment to advancing pipeline safety and operational efficiency." With SHiiELD, TDW continues to drive the pipeline industry forward with advanced technologies that meet the market's demand for higher safety, reliability, environmental responsibility, and throughput. Read our blog to learn how DiiB technology works. Shiield is a trademark of T.D. Williamson, Inc. For more information about the TDW SHiiELD System, visit us online. About T.D. Williamson T.D. Williamson (TDW) delivers advanced pipeline integrity, intervention, pigging and repair technologies that keep critical energy systems operating safely and efficiently. For more than a century, TDW has led innovation in pigging and isolation solutions that reduce emissions, extend asset life, and support a more sustainable energy future. Today, TDW supports the energy industry's drive toward lower-carbon operations and a sustainable pipeline future. With headquarters in Tulsa, Oklahoma, TDW operates in more than 35 locations across the globe, with channel partners across Europe, Asia, and the Middle East. SOURCE T.D. Williamson

TradingView
Jun 10th, 2025
T.D. Williamson Gains Apollo Investment

T.D. Williamson has announced a strategic investment from Apollo Funds. Despite this investment, SCF Partners will retain the majority ownership stake in T.D. Williamson.

PR Newswire
Jun 10th, 2025
T.D. Williamson Announces Strategic Investment from Apollo Funds

/PRNewswire/ -- T.D. Williamson ("TDW"), a global leader in pipeline infrastructure technology and services, announced today a strategic investment from funds...

MarketScreener
Jun 10th, 2025
T.D. Williamson Gains Apollo Funds Investment

T.D. Williamson (TDW), a leader in pipeline infrastructure technology, announced a strategic investment from Apollo Funds. SCF Partners, which acquired TDW in June 2022, will retain majority ownership. This investment aims to support TDW's growth and innovation in pipeline maintenance and integrity solutions. Apollo's Scott Browning and SCF's Deviyani Misra-Godwin expressed enthusiasm for the partnership. Legal advisors included Vinson & Elkins LLP for TDW and SCF, and Kirkland & Ellis LLP for Apollo.

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