Map for Tokyo Ohka Kogyo America, Inc. Map for Tokyo Ohka Kogyo America, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Industrial & Manufacturing >> MANUFACTURING - INDUSTRIAL Tokyo Ohka Kogyo America, Inc. 4600 NE Brookwood PkwyHillsboro, OR 97124 | directions (503) 693-7711 | fax: (503) 693-2070 Visit Site If your business isn't here, contact us today to get listed!