sustainable design for all your building needs

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AN INDUSTRY LEADER SINCE 1989

SUSTAINABLE DESIGN

As a leader in geothermal heating and cooling, our Mechanical Engineering services are just one of the many ways Stair Associates, Inc. is consistently creating sustainable building projects. 

LOCALLY OWNED

Stair Associates, Inc. has been creating exceptional design throughout Indiana for over 25 years. We've grown big enough to meet all your design needs, but stayed individually focused on our clients.

ONE FIRM FOR ALL YOUR

DESIGN NEEDS

We can take your project from conception to construction and meet all your needs in-between. As a multi-disciplined firm, Stair Associates, Inc. can provide you with the services you need to complete any project, large or small.