T.D. Williamson secures strategic investment from Apollo Funds

TULSA, Okla., June 11, 2025 /PRNewswire/ -- T.D. Williamson ("TDW"), a global leader in pipeline infrastructure technology and services, announced today a strategic investment from funds managed by Apollo (NYSE: APO) (the "Apollo Funds"). SCF Partners, a Houston-based private equity firm specializing in energy & infrastructure services investments that acquired TDW in June 2022, will continue to retain a majority ownership stake.

T.D. Williamson (“TDW”), a global leader in pipeline infrastructure technology and services, announced today a strategic investment from funds managed by Apollo (NYSE: APO) (the “Apollo Funds”). Image Description: Skyline with TDW logo on the left and a TDW truck on the right.

TDW has been a leader in the pipeline maintenance and integrity industry for over 100 years. The company offers a comprehensive suite of maintenance and asset optimization solutions that enhance safety, reliability, and performance throughout the full lifecycle of pipeline infrastructure. A recognized technology leader, TDW holds more than 500 registered patents, including innovations in advanced isolation, integrated pigging, in-line integrity assessment and repair — deployed across both infrastructure and utility end markets.

Bob McGrew, CEO of TDW, said, "At TDW, we are committed to delivering best-in-class, technically differentiated solutions to support the evolving needs of the operators of critical pipeline infrastructure. This investment by Apollo Funds, alongside our existing relationship with SCF Partners, marks a significant milestone in our journey as we continue to invest in meeting the needs of our customers through innovation and expanding our global reach."

Scott Browning, Partner at Apollo, said, "TDW has a long track record of innovation and serving customers across the pipeline industry value chain. We look forward to supporting TDW management and SCF to accelerate strategic growth initiatives that contribute to the safety, reliability and efficiency of energy infrastructure to help serve global energy demand trends."

"For over a century, TDW has stood at the forefront of pipeline integrity and innovation," commented Deviyani Misra-Godwin, Managing Director at SCF. "Over the past three years, we've seen tremendous growth in the company, with the team expanding its technology and product portfolio, deepening customer relationships, and continuing to lead the way on safety and operational excellence. We're honored to continue to work alongside TDW's world-class team and excited to welcome Apollo Funds as a strategic partner in this next chapter of growth."

TDW and SCF Partners were advised by Vinson & Elkins LLP, while Kirkland & Ellis LLP advised the Apollo Funds.

To learn more, visit www.tdwilliamson.com.