Contact SEMY 810-A East Custer Avenue, Sunnyside, WA 98944 Phone (509) 836-7500, or toll free (888) 727-7123 Fax (509) 836-8409 Hours 8:00-5:00 Monday-Friday (Pacific Standard Time) Driving Directions From Yakima: Exit 63. Left and go over the freeway. Right (east) on Yakima Valley Hwy. Pass two stoplight intersections 1st intersection - S. First and Yakima Valley Hwy. Exit 63. Left and go over the freeway. Right (south) on 9th Ave. (you will see Snipes Mtn. Brewery on the corner – log cabin) Cross rail road tracks. SEMY is a brick corner building on the right-hand side of the road. Enter the parking directly outside of the North side of the building. View Larger Map Name Email Phone Question/Comment
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