Headquarters: Sioux Dairy Equipment, Inc. 2122 10th St Rock Valley, IA 51247 800.962.4346 712.476.2621 Fax sales@siouxdairy.com MN Route Supply Warehouse Sioux Dairy Equipment, Inc. 1006 4th Ave. South Edgerton, MN 56128 507.920.8626 SD Service Center Sioux Dairy Equipment, Inc. 407 E 4th Street Colton, SD 57018 800.944.1217 Business Hours: Monday-Friday 7:00am-5:30pm Emergency Service: 24/7/365 CALL 800.962.4346 Homepage » Contact Us View Larger Map