GROB Systems will be holding a public Open House on Saturday, September 13 from 9:00 a.m. to 2:00 p.m. at their Bluffton facilities, 1070 Navajo Drive, The public is invited to tour the recently expanded 500,000 sq. ft. complex. Visitors will see products in operation and learn about the state-registered apprenticeship program. There will be refreshments, activities for children and an opportunity to win multiple door prizes- including outdoor benches and fire rings made in-house at GROB.