Willett, Hofmann & Associates, Inc. (WHA) is a multi-discipline, professional organization unique in its capabilities and credibility that is licensed to provide professional civil engineering, structural engineering, architecture, and professional land surveying services. WHA has been providing professional engineering and land surveying services to municipalities, townships, counties, state agencies and private enterprises for over 80 years. We have a talented and diversified staff of more than 50 full-time employees who are experienced and qualified to provide an extensive range of professional services, including structural engineering, transportation engineering, water/wastewater engineering, agricultural engineering, civil site design, architectural design, land surveying services, and construction services for all our areas of expertise.

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Much more than a professional services provider, WHA is a community advocate and regular newsmaker.  Keep pace with our people, projects and progress here.

WHA Employee Honored at the 2017 Illinois Society of Professional Engineers Annual Convention
July 21, 2017

Ron Steenken honored with "Distinguished Service Award"  more...

Willett, Hofmann Wins ACEC-Illinois 2017 Engineering Excellence Awards
February 17, 2017

City of Rockford Projects Earn Award  more...

WHA Wins Award
January 9, 2017

APWA Awards  more...