Protecting your crops.
Maximizing your yield.
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Ag-Tech is a family-owned business dedicated to providing customers the highest quality products and services for various sectors of the agriculture industry. Since 1981, Ag-Tech has been providing crop protection, crop nutrients, plant health, seed, soil-sampling, superior custom application, and many other agronomy input needs to maximize profits for its customers.

In 1981, Ag-Tech was established in Stockton, IL, under the name Highland Chemical, Inc. Since then, Ag-Tech has grown to include several chemical and fertilizer facilities servicing Illinois, Indiana, Iowa, and Wisconsin. These eight locations are: Ag-Tech Stockton, Ag-Tech Mt. Carroll, Ag-Tech D.K.S. Shannon, Chadwick Oil and Ag, Fulton Fertilizer, CropMax LLC (Mineral Point, WI), MaxGro LLC (Waterman, IL), and Ag-Tech Cuba City. Currently, Ag-Tech has more than 50 full-time, part-time and seasonal employees with over 700 years combined retail agronomy experience.

Ag-Tech invests in top-quality equipment and technology to benefit our growing customer’s needs. Our fleet of reliable custom application equipment is loaded with various components of state-of-the-art technology, which includes precision mapping, auto-spray controllers, auto-steer, and variable rate controllers. We also have a large dependable fleet of tender equipment and semi tractors to service any and all logistical product needs.

Ag-Tech is dedicated to be your complete solution for all agriculture input needs. Our superior staff with many years of agronomy experience and our full line of exceptional application equipment can fill all your agronomy needs. In today’s world, we understand the urgency to be proactive and stay up to date with all our customers’ needs for new technology, whether it is product chemistry, seed traits, application equipment, or any other need. Call your local Ag-Tech Team today to help maximize your profits! We look forward to servicing you in the future!