F.A. Wilhelm Construction Co., Inc.

Freitag-Weinhardt, Inc. is a nationally recognized mechanical contractor based in Terre Haute, Indiana. Founded in 1883, the company has significantly evolved over the years, however, our core values have always remained the same. Our commitment to fabrication, whether in the field or our shop, is second to none. We stand ready to serve you our trusted partners everyday!

In addition to high-end fabrication and traditional pipe welding, we are experienced in technologies such as orbital pipe welding, high pressure vessel welding (code stamps) and welding of highly specialized alloys to help us meet the needs of industrial and commercial customers. With currently over 100 current weld procedures in place, we can offer services for any of your needs. And, in order to help you reach your desired levels of stainability, Freitag-Weinhardt offers LEED accredited professionals. Our highly qualified team is committed to excellence and has a philosophy of "customer satisfaction is #1".

From fabrication to HVAC work to serving as an industrial piping contractor or plumbing contractor, we provide a full scope of mechanical services as well as general services. Freitag-Weinhardt, performs many of our projects as a prime contractor. Our managers are well trained in construction management and eager to serve. It’s a powerful combination that creates satisfying results. For our customers, that means delivering successful projects with the greatest value for their investment. For us, it's all about remaining true to what’s always been important: earning your trust.