Welcome to Sieber LLC
Sieber LLC is a certified full service industrial fabrication facility with extensive forming and welding capabilities. We specialize in engineering, fabrication, welding and polishing of ASME certified pressure vessels and tanks, heat exchangers, power and process piping for a variety of industrial applications including the pharmaceutical and food grade industries. Sieber LLC is also NBIC certified for the repair and alteration of code pressure vessels currently in service. We also offer custom designs requiring element analysis, thermal or mechanical capabilities. We fabricate pressure vessels and tanks using a wide spectrum of materials, from the standard carbon and stainless steels to the more exotic metals including nickel, copper, titanium, Inconel®, Monel®, and other duplex stainless alloys. Absolute Quality.