![Exterior view of Slagle Hall](/-/media/Project/USD/shared/General-Campus-Imagery/Headers/PH-200604_Slagle_0019.jpg?rev=ed552c9e47054cb692984e2fbe74e78f&w=1900&la=en&hash=10F1D9EB5B110DB529261E862DDDE5AA)
Contact Us
Purchasing Office
Robert L Slagle Hall 209
414 E Clark St
Vermillion, SD 57069
Office Hours
Monday - Friday
8 a.m. - 5 p.m.
![Old main in front of blossoming flowers.](/-/media/Project/USD/shared/General-Campus-Imagery/Headers/PH-101221-Campus-0086.jpg?rev=57a4f69316254c229c5081724fc6ee3b&sc_lang=en&w=220&la=en&hash=BC1682AC40A7C60CFB0415ECFBA9A1AE)
Auxiliary Services
Auxiliary Services is responsible for all business services including USD Postal Services and airplane, and it is also responsible for reviewing all contracts entered into by university departments.