Manufactured in Great Falls, Montana, Bench Industries has the knowledge and experience to assist you with all of your grain cleaning needs. Custom designed machines built to your specifications are available. Bench Industries Modular Air Seed Cleaner machines are very economical and easy to maintain. We offer a variety of machines, including the Mini Seed Cleaner to choose from and our basic units have the same heavy duty construction as our larger units. Maintenance on our equipment is simple. Shoes can be replaced easily for different types of cleaning and Modules for air separation metering feed and additional screen areas available.