Showgrounds Address:
6065 State Hwy O, Ash Grove, MO 65604 (I-44 / Exit 58
next to Meadows Auto Salvage)

Mailing Address:
Ozarks Steam Engine Association, c/o Randy McCauley
514 N Hightower, Nixa, MO 65714

© 2026 Ozarks Steam Engine Association and Southwest Early Day Gas Engine and Tractor Association, Branch 16.