With a history that dates back to 1935, Willett, Hofmann & Associates, Inc. (WHA) is a professional, award winning, multi-discipline organization, unique in both its capabilities and credibility, licensed to provide professional civil engineering, structural engineering, architectural design, and professional land surveying services. WHA has been providing professional design and land surveying services to municipalities, townships, counties, state agencies and private enterprises since our inception. 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, civil site design, architectural design, land surveying services, and construction staking, observation and administration services.Because WHA is owned solely by licensed professionals on staff, our clients frequently enjoy the benefits of working directly with an owner of the company. We are dedicated to serve our clients Ethically, Responsively and Professionally with highly trained and skilled staff – an organizational philosophy that has fostered numerous long-standing clients, some of whom we have been serving since 1935.Willett, Hofmann & Associates, Inc. is poised, capable and qualified to provide our clients a single source for a wide variety of professional design and land surveying services.PROFESSIONAL STAFF:25 Licensed Professional Engineers (IL, WI, AL, IA, MO, AR, LA, MS, OK, TX, IN, TN)5 Licensed Structural Engineers (IL)4 Licensed Professional Land Surveyors (IL, IA, WI)3 Licensed Architects (IL, WI, IA, MO, KS)2 Leadership in Energy and Environmental Design Accredited Professionals (LEED AP BD+C)2 Licensed Class A Water Operators (IL)1 Licensed Class I Wastewater Operator (IL)3 Certified Bridge Program Managers (IL, WI, IA)7 Certified Bridge Team Leaders (IL, WI, IA)