Casper Cronje
Toll-Free: 800-557-4689
Direct: 605-965-4261
ccronje@siouxsteel.com
Customer Service
Grain Systems Customer Service Team
John Nelson
Toll-Free: 800-557-4689
Direct: 605-965-4230
jnelson@siouxsteel.com
Pro·Tec Buildings Customer Service Team
Jon Gustad
Direct: 605-965-4202
Cell: 605-413-5164
jgustad@siouxsteel.com
Livestock Equipment Customer Service Team
Barb Olbertson
Toll-Free: 800-557-4689
Direct: 605-965-4260
bolbertson@siouxsteel.com
John Nelson
Toll-Free: 800-557-4689
Direct: 605-965-4230
jnelson@siouxsteel.com
Koyker Customer Service Team
Mike Klingbile
Toll Free: 800-557-4689
Direct: 605-647-1156
mklingbile@siouxsteel.com
Dave Kocak
Toll Free: 800-557-4689
Direct: 605-965-4237
dkocak@siouxsteel.com
John Nelson
Toll-Free: 800-557-4689
Direct: 605-965-4230
jnelson@siouxsteel.com
International Customer Service Team
Beth Vacek
Toll-Free: 800-557-4689
Direct: 605-965-4293
bvacek@siouxsteel.com