Improving America’s infrastructure isn’t for the weak. It takes grit, determination, and hard work to execute high impact projects. Michels Corporation engages 8,000 people and 18,000 pieces of heavy equipment…
J.D. Hair & Associates (JDH&A) is a wholly owned engineering subsidiary of Michels Corporation, a global leader in infrastructure construction. Michels Corporation is one of the largest and most diversifie…
J. D. Hair & Associates (JDH&A) is an engineering firm that specializes in trenchless engineering and design services with headquarters located in Tulsa, Oklahoma. Trenchless engineering is most closely al…
Milwaukee, WI J.D. Hair & Associates (JDH&A) is a wholly owned engineering subsidiary of Michels Corporation, a global leader in infrastructure construction. Michels Corporation is one of the largest…
