Mechanical Industry News

Apollo-Backed State Group Acquires 75-Year-Old Mel-Kay Electric

The Evansville MEP contractor, in one family for three generations, brings preferred-vendor status with Toyota, Berry Global, Sabic and Deaconess Health. Terms were not disclosed.

Limbach Buys 125-Year-Old Madison Contractor 1901 Inc. for $63 Million

The Nasdaq-listed building systems firm adds a union MEP contractor, now its largest electrical operation, four weeks after buying data center consultant CYMCOR.

Optimum Energy Acquires Fourth-Generation Hussung Mechanical Contractors

Owned by Bernhard Capital Partners since 2023, Optimum Energy adds a Louisville, Kentucky, contractor founded in 1966 that will keep operating as HMC. Terms were not disclosed.

Optimum Energy Acquires Hussung Mechanical Contractors and HMC Service Company

The Bernhard Capital Partners-owned infrastructure services company adds a Louisville mechanical contractor and service business, which will keep operating as HMC. Terms were not disclosed.

Pettus Plumbing & Piping Joins Sylvan Group Platform, Owners Staying On

Co-owners Tony Robertson and Grover Johnson become equity owners in Sylvan and join its executive team; E-3 Tech has held a majority of Sylvan since March 2025. Terms were not disclosed.

Horwitz Receives Strategic Investment from Truelink Capital as Svoboda Exits

The 1918-founded Minneapolis contractor has about 720 employees, and CEO Matt Dekkers and management keep a significant ownership stake. Terms were not disclosed.