SALES, CONTRACTS, PURCHASING, ENGINEERING, QUALITY ASSURANCE, HUMAN RESOURCES & ACCOUNTING:  1530 22nd Street NW Auburn, Washington 98001 USA From I-405, take Highway 167 South (toward Auburn) for about 10 miles. EXIT on 15th St. NW (not SW!). At the top of the off-ramp, turn RIGHT and drive down to the first light. Turn RIGHT onto West Valley Hwy and drive about a quarter or a mile. Then turn LEFT on to 22nd St. NW. Plant 1 is at the end of the block on the left-hand side.