Hattersley & Sons, a Fort Wayne, Indiana, mechanical contractor founded in 1856, was acquired by Foundral as an add-on to its union-backed mechanical contracting platform.

The company is one of Indiana’s oldest mechanical contractors and serves commercial, industrial and institutional end markets.

Hattersley & Sons provides engineering, project management, installation and maintenance services for piping and HVAC systems.

Its work includes full-service mechanical design and construction capabilities for customers with facility, infrastructure and building systems needs.

Foundral is backed by McNally Capital and focuses on building a group of union-backed mechanical contracting companies.

The platform partners with established mechanical services businesses while retaining local brands and operating cultures.

The acquisition gives Foundral a Fort Wayne-based operator with a long operating history in Indiana’s mechanical contracting market.

Seller, financing and advisor details were not provided.