About Company

A. Hattersley & Sons is a Fort Wayne–based mechanical contracting firm founded in 1856 that provides design and construction, engineering, project management, installation, and maintenance of piping and HVAC systems for commercial, industrial, and institutional buildings. A. Hattersley & Sons combines more than 160 years of experience with a service department available 24/7 for proactive maintenance and emergency response, offers performance contracting and energy-conservation solutions, and positions the company as a community-minded technical partner focused on keeping facilities running efficiently and safely.

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