Proudly serving cities and towns in Indiana, Illinois, Ohio, and Michigan since 1975, the professionals at Triad Associates, Inc. do more than plan and manage complicated projects for municipalities. We solve their infrastructure problems, from wastewater treatment and stormwater management to abandoned buildings and downtown decay. Our full-service approach to meeting clients' needs has helped us cultivate long-term relationships with them, further distinguishing Triad Associates from other engineering firms.