Send/Fax/email resume to:
Siesco Valley Screw Products
#8 Williams Drive
Union, MO 63084
In both 1986 and 1988, we expanded our plant.
In 1988, we became Siesco Valley Screw Products,
In May of 1995, we moved into our new 17,500
square foot facility located at #8 Williams
Drive in Union, Missouri.
of our commitment to providing the absolute
highest quality products possible we have recently
updated our certification to ISO-9001:2015.