Marston Ag Seed has proudly served the local farming community for years, building on generations of experience selling Pioneer® seed corn and soybeans. Located just east of Buffalo Prairie, Illinois, our team is committed to providing dependable products and knowledgeable support to help growers succeed.

Marston Ag offers a full-service approach to crop production. From seed selection and on-site treatment to spring delivery in bulk or bags, we ensure every detail is handled with precision and care. Throughout the growing season, we provide crop scouting to monitor field conditions and help maximize yield potential. In the fall, we assist with combine calibration to ensure accurate harvest data and better decision-making for future seasons.

At Marston Ag Seed, our goal is simple: provide trusted products, practical expertise, and reliable service to help our customers get the most from every acre.

Marston Ag Precision supplies Precision Planting products and a wide range of trusted wear parts. Our team brings hands-on expertise to every aspect of your operation. From quoting and troubleshooting in the office to in-field service and equipment support, we are committed to keeping your equipment running when it matters most.

As an authorized dealer for a wide range of trusted agricultural brands, Marston Ag provides proven products you can rely on. We invite you to explore our full lineup of partners and offerings on the Brands tab of our website.

MK Ag Equipment's fastest-growing division is spray drone application services, alongside our role as a trusted dealer of agricultural drones and parts. We provide growers with leading equipment to support precision agriculture.

We also offer hydraulic hoses, fittings, on-site repairs, and protective hose wrapping to extend equipment life. Our Planter Sales program allows farmers to buy, sell, and trade planters with confidence.

Our mission is to deliver reliable products, advanced technology, and practical solutions that help today's farmers succeed.