40W201 Wasco Road, Suite D • St. Charles, IL 60175• Ph: 630.587.0470 • Fax: 630.587.0475







What We Do

Trotter and Associates, Inc. is a full service engineering firm specializing in municipal infrastructure development and rehabilitation. Trotter and Associates, Inc. is structured to meet the growing needs of our clients. Our staff has the experience to resolve complex issues brought on by increased development, a changing regulatory environment and aging infrastructure. TAI provides planning, design and construction engineering services to municipal, institutional and other governmental agencies.

TAI provides a broad range of Engineering and Surveying services including:


     Water Engineering      Capital Improvements Planning
     Wastewater Engineering      Watershed & Stormwater & Floodplain Management
     Transportation Engineering      Construction Engineering
     Hydraulics/ Hydrology      Land & Route Surveying
     Site Development      Topographic & Construction Surveys
     Utility Mapping/ GIS Data Collection      Ordinance & Development Review
     Municipal Buildings      Project Funding Administration


Our professional staff includes engineers, construction managers, surveyors, inspectors and drafting technician. The team realizes the importance of developing strong client/ consultant relationships and strives to earn each client's confidence, trust and respect through exceptional service. Trotter and Associates, Inc. is a civil engineering firm that is making a difference through setting a higher standard.



Trotter and Associates, Inc. will provide its clients with innovative, cost-effective solutions to a variety of civil engineering projects. TAI will set a higher standard for engineering services and we will meet those expectations. TAI will build upon our water wastewater engineering expertise while expanding our capabilities to meet the needs of our clients.

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