South Side Machine Works mission is to keep our number one asset - Our Customers - in full operation, by supplying them the parts they need, on time, right the first time, and at a competitive cost. The name 'South Side Machine Works' is a familiar name in and around the Metro St. Louis area. Let us put our 100 years plus experience to work for you. As the area's largest Job machine shop, we can meet your manufacturing, machining, maintenance, and gearing needs. Our emergency service is next to none in response time and turn around. We will work around the clock to get your plant up and running again.In this web site, you will find information about gear cutting both metric and SAE, steel fabrication, general machine work and capabilities, machine and gear box rebuilding, our welding department, and many other applications and services. Visit our sister company Fulton Iron International in St. Louis, Missouri.