T.D. Williamson Acquires Petro-Line

Apollo Funds Makes Strategic Investment in T.D. Williamson

June 10, 2025

Energy

T.D. Williamson (TDW), a global leader in pipeline infrastructure technology and services, received a strategic minority investment from funds managed by Apollo Global Management. SCF Partners, which acquired TDW in June 2022, will remain the majority owner as Apollo provides growth capital to support TDW's strategic growth initiatives and global expansion.

SCF Partners Invests in T.D. Williamson

July 5, 2022

Industrial Services

SCF Partners, a Houston-based private equity firm, announced an investment partnership with T.D. Williamson (TDW), the Tulsa-headquartered global leader in pipeline intervention, isolation, inspection and pigging products and services. The partnership is intended to support TDW's growth and capability expansion globally while partnering with the Williamson family and management to pursue new opportunities, including those tied to the energy transition.

Waterline Renewal Technologies Acquires Pipe Lining Supply

November 2, 2021

Industrial Services

Waterline Renewal Technologies, a portfolio company of Behrman Capital, has acquired Pipe Lining Supply, a national supplier of cured-in-place pipe (CIPP) lateral lining and DWV sewer rehabilitation materials and equipment. The add-on acquisition expands Waterline's trenchless pipeline rehabilitation product and distribution capabilities in North America; financial terms were not disclosed and Adams Street Partners provided debt financing.

Petrosmith Acquires Wellflex Energy Solutions

November 23, 2020

Energy

Petrosmith has acquired the assets of Wellflex Energy Solutions, a Fort Worth-based engineering, fabrication and EPC specialist for oil and gas production equipment. The acquisition adds Wellflex's engineering, modular fabrication and project management capabilities to Petrosmith's manufacturing and tubular goods business, supporting expanded service offerings for energy operators.

Blue Water Energy Acquires Pipeline Technique Limited

May 23, 2019

Energy

London-based private equity firm Blue Water Energy has acquired Pipeline Technique Limited (PTL), a Huntly, Scotland-headquartered provider of pipeline welding, field joint coating and spoolbase services, from Heerema Marine Contractors. Blue Water said it will invest capital to support PTL’s future growth and independence as a specialist pipeline welding and coating services provider to the energy industry.

Behrman Capital Acquires Waterline Renewal Technologies

April 10, 2019

Infrastructure

Behrman Capital, a private equity firm, has acquired Waterline Renewal Technologies, a provider of engineered trenchless rehabilitation products and technologies for wastewater infrastructure. Waterline — previously a division of Triwater Holdings — will be led by its existing management team and will partner with Behrman to pursue growth initiatives, including technology expansion and selective add-on acquisitions.