There are several legal authorities requiring the use and purchase of iron and steel products that are produced in the United States…

Jim McKenzie, Director of Land Surveying, and Tom Cichowski, Chief Surveyor, recently attended Part One of the Illinois Boundary Law Principles and…

New Light Detection and Ranging (LiDAR) will soon to be available for Cook, Kane, Lake, and McHenry counties. These four counties, in…

Trotter and Associates determined that the City of St. Charles may be eligible for an IEPA low interest loan with a reduced interest rate…

Communities in Lake, Kane and McHenry counties are in for a big surprise. New 3-inch high resolution color orthoimagery is coming soon….

Last  week Liz Bohne traveled to Costa Rica with the Central States WEA non-profit organization Global Water Stewardship (GWS). GWS is working…

The Village of Roselle recently opened bids from contractors for F.O.G. removal equipment at Botterman STP and digester covers at Devlin WWTF….

As your GIS mapping program begins to grow, it becomes harder and harder to find good free datasets (shapefiles) to use in…

Trotter and Associates, Inc. is excited to roll out a new website to update the firm’s services, and showcase projects that have…