The company GBK, INC. is registered on 8/2/2001. Company number of the company 255719. Current status of the organization Active. Postal address of the company - PO BOX 35, 6864 HWY 21, ELBERON, IA, 52225. Registered Agent of the GBK, INC. - GARRY B KRUTZFELDT (PO BOX 35, ELBERON, IA, 52225). The credit report for the company GBK, INC..