A. Hattersley & Sons
Your trusted choice for mechanical contracting since 1856.


A. Hattersley & Sons is the area’s oldest, most respected and experienced mechanical contractor — specializing in state-of-the-art design and construction, engineering, project management, installation and maintenance of piping and HVAC systems for commercial, industrial, and institutional buildings.

Facing a tough challenge? We've got you covered. With years of experience, there’s not much we can't handle. At Hattersley, we go beyond just showing up and turning a wrench. We provide you with a dedicated advisor who explains the recommended work and helps you make informed decisions. Partner with us to keep your facility running smoothly!

Northeast Indiana has been very good to us, and we feel it's our obligation to give back by helping out organizations in our community through what we do best. Here are a few recent projects we've completed as our way of saying thank you for all the support we've received.

