ORIX Capital Partners Acquires Majority Stake in Specialty Welding and Turnarounds (SWAT)

Brown & Root Industrial Services Acquires Specialty Welding and Turnarounds (SWAT)

January 6, 2026

Industrial Services

Brown & Root Industrial Services (owned by One Equity Partners and KBR) has signed a definitive agreement to acquire Specialty Welding and Turnarounds (SWAT), a turnaround, cooling tower, and industrial catalyst services provider. The acquisition is intended to expand Brown & Root’s capabilities and end-market exposure, particularly in refinery and renewables, while enabling cross-selling and operational efficiencies. ORIX Capital Partners later announced completion of the sale, including ORIX Capital Partners’ exit and Hastings Equity Partners’ divestment of its minority stake.

ORS Nasco Acquires Techniweld USA

May 6, 2025

Logistics & Distribution

ORS Nasco, a Wynnchurch Capital portfolio company, has acquired Techniweld USA, a wholesaler of welding, safety, and industrial supplies headquartered in Atlanta, Georgia. The acquisition expands ORS Nasco's presence in the welding market and broadens its product offering across welding consumables and safety products.

Brookside Capital Partners and Mason Wells Provide Growth Capital to SWAT Environmental

October 16, 2024

Environmental Services

Brookside Capital Partners has invested in SWAT Environmental, partnering with Mason Wells to provide subordinated debt to accelerate the company's growth and market expansion. SWAT Environmental, founded in 1988, is the largest radon mitigation services firm in the United States and serves customers across more than 30 states.

Mason Wells Acquires SWAT Group, Inc.

January 1, 2022

Environmental Services

Mason Wells, a Milwaukee-based private equity firm, has acquired SWAT Group, Inc., a radon mitigation and vapor intrusion remediation services provider founded in 1988. SDR Ventures served as exclusive sell-side advisor; SWAT operates in 33 states with over 120 field installation technicians and will be consolidated under Mason Wells to support growth and scaling.

Specialty Welding and Turnarounds Acquires Midwest Cooling Tower Services from Dorilton Capital

December 20, 2021

Industrial Services

Specialty Welding and Turnarounds (SWAT), a portfolio company backed by ORIX Capital Partners and Hastings Equity Partners, has acquired Midwest Cooling Tower Services (MWCTS) from Dorilton Capital. The acquisition adds mission-critical cooling tower inspection, maintenance, repair, parts distribution and rental capabilities to the SWAT platform; Midwest is headquartered in Krotz Springs, Louisiana and employs approximately 450 people.

Specialty Welding and Turnarounds Acquires Hydroprocessing Associates

December 28, 2020

Industrial Services

Specialty Welding and Turnarounds (SWAT), a PE-backed provider of turnaround and specialty welding services, has acquired Hydroprocessing Associates (HPA), a Moss Point, Mississippi-based specialist in catalyst handling and reactor maintenance, including HPA's Breathing Systems Inc. subsidiary. The deal is SWAT's first add-on since its January 2020 investment by ORIX Capital Partners and Hastings Equity Partners and expands SWAT's service offering into catalyst handling and NIOSH-approved life-support system manufacturing and maintenance.