O’Mara designs and manufactures advanced Fill and Unload Systems that simplify bulk material handling. Whether you’re blending refuge seed, unloading tote boxes, or filling bulk seed bags, we offer proven solutions engineered for safety, reliability, and efficiency. Every system is built in-house, right here in the heartland, with the quality and craftsmanship you can trust.
Our automated fill and unload equipment is designed to handle a wide range of agricultural commodities and materials. Whether you need a standalone bulk bag filler or a fully integrated material handling line, O’Mara systems are built to meet your specific needs.

Automate and simplify your rebagging or de-bagging process. Our bag slitters handle multi-wall paper bags and various materials such as seed, grain, pet food, and litter. Adjustable conveyor speed, blade depth, and gap settings allow for precise control. Vision and sorting systems can be integrated as well. Safety is built in, with full guarding and minimal manual interaction.
Keep your facility clean and compliant. O’Mara dust hoods are designed to capture and contain dust at the source. These can be adapted to fit nearly any application—ideal for grain handling, aggregates, and more.
Flexible and easy-to-use product feeders. Our loading boxes accommodate everything from fine powders to coarse materials. Featuring adjustable flow and infeed control, these systems ensure smooth product delivery to conveyor lines in the seed, hemp, pet food, edibles, popcorn, and other agricultural product industries.
We understand no two operations are alike. That’s why we offer both off-the-shelf and custom-built systems. From mini-bulk baggers to large-scale refuge blending equipment, our engineers work with you to develop systems tailored to your facility, product, and throughput requirements.
With over 200 years of combined experience in plant design and agricultural equipment manufacturing, O’Mara has become a trusted partner in the seed and ag industries in the Midwest and beyond. From consultation through installation, we offer a hands-on approach to ensure quality at every step.
Let’s build a solution that works for your product, your plant, and your goals. Contact us today to schedule a free consultation with our team of agricultural processing experts in Des Moines, Iowa.