 Now in our 75th year, Delgraves Inc. GMC continues to be your dealership of choice. While many dealers have gouged the public with outlandish markups during the supply shortages, Delgraves never did. Please check out our inventory at delgravesinc.com for in-stock and in-transit vehicles. Since 1950, our tradition of satisfaction continues. Delgraves Inc., South 9th across from the fairgrounds. Walla Walla.