The U.S. Army Corps of Engineers – St. Paul District seeks a contractor to fabricate and deliver four Miter Gate Strut Arm Assemblies (18 ft 4 inches, various steel grades), with an option for four additional assemblies. Required certifications include AISC IBR, ABR, or HYD, plus an SPS endorsement for sophisticated paint systems. The contract involves extensive QC and QA testing for casting, machining, and painting. Delivery must be made to the USACE Fountain City, WI Service Base by 31 March 2028. This opportunity is a 100% small business set-aside under NAICS 332312 (500-employee size standard), and firms must be registered in SAM.