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AG Engineering & Development Co., Inc. was born in 1983 to manufacture, market, and distribute the Dammer Diker®, a patented reservoir tillage implement. The 27,500 square foot corporate office and manufacturing facility is located in Kennewick, Washington in the heart of Columbia River Basin agriculture. The Dammer Diker®, which was developed and patented by company President, Thayne B. Wiser, is manufactured and distributed worldwide by AG Engineering. Innovations with the Dammer Diker®, primarily the hydraulic reset shank, have led to the custom design and manufacture of a number of tillage and ground working implements. Quality and durability have become trademarks of the equipment designed and manufactured by AG Engineering.