Profile: Sioux Automation Center, Inc. produces dairy and feedlot TMR mixers, bagging equipment, liquid manure handling equipment. Our products include mono-mixers, maxi-mixers, roto-press, roto-pac, silage bags, vacuum tanks and slurry tanks. Our maximixer offers an overall balanced profile for efficient maneuverability around the yard and along the bunk. Our vertical, horizontal and lagoon pumps feature a patented chopping system that easily handles slurries with high concentrations of beddings & solids.