General Info

Siesco Valley was founded in 1983 as a quality supplier of screw machine, milled, and assembled parts for industries in the greater St. Louis Area. Our growth has been due to the quality people we have been able to hire. Intensive training has led to an increased pride of workmanship by each employee which in turn leads to greater customer satisfaction. We are now able to serve our customers with screw machine products up to 1-5/8" diameter in quantitites of 1 to 3, 000, 000 with each part meeting our standard of excellence.