Diedrichs & Associates, Inc. provides technical services in product design, tool and machine design, experimental shop services, and consulting. - Product design focuses on off-road vehicles with agricultural and construction applications. It includes engineering, building and testing prototypes and pilot production. - Tool and machine design and build increases productivity in manufacturing, assembly and testing. - Shop operations make parts, assemble prototypes and special machines and provide facilities for experimenting and testing in support of design activity. - Testing services measure performance of products, machines and parts with instruments, CMM, etc. - Consulting services help clients focus on feasibility, costs and marketability.