Directions to McPherson Mayer Farms LLC dba Proteus Wines Directions to McPherson Mayer Farms LLC dba Proteus Wines Search | Advanced Search | New Members | Coupons and Discounts | All Categories Restaurants, Food & Beverages >> WINERIES McPherson Mayer Farms LLC dba Proteus Wines 21360 SW Hillsboro HwyNewberg, OR 97132 | map 215-495-5940 Visit Site Get directions to: McPherson Mayer Farms LLC dba Proteus Wines, 21360 SW Hillsboro Hwy, Newberg OR Get directions from: Click to Print This Page If your business isn't here, contact us today to get listed!