Gem State Doors And Millwork Share: Manufacturing & Production Gem State Doors And Millwork 1809 South Lincoln Ave. Jerome , Idaho 83338 (208) 324-1053 Hours: Monday-Friday 8:00am-5:00pm About Map About We are a door and molding supplier. We sell interior and exterior doors, as well as interior trim as well and door hardware What's Nearby? Distance: 5 10 15 20 25 50 mi.