T.D. Williamson Acquires Petro-Line

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.

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.

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.

PROtect, LLC Acquires Trident Pipeline Integrity, LLC

October 13, 2025

Industrial Services

Wichita-based PROtect, LLC has acquired Trident Pipeline Integrity, LLC, an Oklahoma-based provider of advanced ultrasonic non-destructive testing and corrosion mapping for pipelines. The deal expands PROtect's Pipeline Integrity capabilities and strengthens its regional presence in Oklahoma while adding Trident's field talent and technical expertise.

Energy Services of America Acquires WV Pipeline, Inc.

December 16, 2020

Industrial Services

Energy Services of America Corporation formed a wholly owned subsidiary, West Virginia Pipeline Acquisition Company, and entered an asset purchase agreement to acquire substantially all assets of WV Pipeline, Inc. for $3.5 million cash plus a $3.0 million seller note; the transaction was expected to close December 31, 2020. The acquisition expands Energy Services' capabilities and geographic presence in gas and water distribution utility services in southern West Virginia, and WV Pipeline's leadership (David and Daniel Bolton) will remain with the business.