Jones Manufacturing - Producers of the Mighty Giant line of hay grinders. Ferrell-Ross - Manufacturer of processing equipment for size reduction including roller, flaking and cracking mills. Products and dealers. Art's-Way - Specialized harvesting equipment and grinders. AEC Group, Inc. - Designs shellers and cleaners for the seed, corn and grain industries. Mill-Mac - Mobile seed cleaners, air screen machines, separators, vibratory conveyors and screeners. Apollo Machine and Products, Ltd. - Manufacturer of portable grain mills, swath rollers, and grain related processing equipment. Scherer Corrugating & Machine Inc. - Provides silage mill conversion kits, custom steel rolls, grooving rolls, and crop and kernel processor rolls.