Insulator Show

When: July 10 - 12, 2026 (Friday - Sunday) Where: Helena, Montana The 57th NIA National Show & Convention Location: Lewis & Clark Fairgrounds, 98 W. Custer Ave, Helena, MT 59602. Hours: TBD. Details: We will have 125+ Sales Tables and 25+ Display Tables. You won't want to miss this show. Additional Show Hosts: Roger and Beth Ziesak, 406-239-1646, , Justin Martin and Michelle Sturm, 406-490-3888, Contact: Doug Rusher, , 406-461-7341; Ron Yuhas, , 406-439-4573