Superior Energy Services Completes Acquisition of Sonic Holdings to Expand Wellsite Solutions

MasTec Acquires The Superior Group (Electrical Specialists, Inc.)

July 9, 2026

IT Services

MasTec entered into a definitive agreement to acquire Electrical Specialists, Inc., doing business as The Superior Group, in a transaction valued at approximately $1.65 billion (about $475 million in MasTec stock and $1.175 billion in cash), subject to customary adjustments and a potential earnout. MasTec completed the acquisition later in July 2026, and Superior will operate as a new operating group with results reflected in MasTec’s Power Delivery segment.

Superior Energy Services Acquires Abaco Energy Technologies

January 30, 2026

Oil & Gas

Superior Energy Services has announced the successful closing of its previously announced acquisition of Abaco Energy Technologies. The deal expands Superior’s Wellbore Technologies segment by adding Abaco’s bottom-hole assembly capabilities and elastomer technologies for downhole drilling, completion, and remediation.

Boyne Capital and Breakwater North Acquire Majority Stake in Sonic Systems International

September 20, 2021

Industrial Services

Boyne Capital and Breakwater North (via an affiliate of Breakwater North LLC), with debt and co-investment support from Main Street Capital Corporation, acquired a majority stake in Sonic Systems International, a Wilmington, North Carolina–based provider of mission-critical services to the commercial nuclear power industry. The investors intend to expand Sonic’s service offerings and capitalize on renewed growth in the nuclear power sector.

Select Energy Services Acquires Complete Energy Services from Superior Energy Services

July 12, 2021

Energy

Select Energy Services (NYSE: WTTR) acquired substantially all water-related assets and ongoing operations of Complete Energy Services, an operating subsidiary of Superior Energy Services, in exchange for 3.6 million shares of Class A common stock and $14.2 million in cash (subject to adjustments). The deal adds more than 300,000 barrels per day of permitted disposal capacity and brings over 700 field personnel to Select, expanding its footprint across the Permian, Mid-Continent, Rockies, Powder River Basin and the Marcellus/Utica regions.

Peak Utility Services Group Acquires Superior Pipeline Services

March 18, 2021

Industrial Services

Peak Utility Services Group, a Denver-based provider of infrastructure services, has acquired Superior Pipeline Services (SPS), a Fort Worth, Texas natural gas utility services contractor. The add-on expands Peak's presence in Texas and strengthens its capabilities for maintenance, repair and installation work in the natural gas utility market.

E-Technologies (Falfurrias-Backed) Acquires Superior Controls from DFW Capital Partners

April 17, 2019

Engineering Services

E-Technologies Group, a portfolio company of Falfurrias Capital Partners, has acquired Superior Controls Inc., a Seabrook, New Hampshire-based systems integrator serving the biotechnology and pharmaceutical sectors. The add-on expands ETech's national automation and engineering capabilities and geographic reach, adding Superior's ~135 engineers and life-sciences regulatory expertise to ETech's platform.