Conveyor Engineering & Manufacturing was established in a small shop outside of Shueyville, Iowa in 1977 by Joe & Donita Cone and Bill Djerf. The cornerstone of our success for over three decades has been our ability to p......Conveyor Engineering & Manufacturing was established in a small shop outside of Shueyville, Iowa in 1977 by Joe & Donita Cone and Bill Djerf. The cornerstone of our success for over three decades has been our ability to provide a high quality product at a reasonable price in a timely manner by: engineering and manufacturing all products in-house reacting to customer breakdown situations as if they were our own providing outstanding customer service