The U.S. Army Corps of Engineers - St. Paul District is seeking contractors for multiple Indefinite Delivery Indefinite Quantity (IDIQ) contracts focused on construction quality assurance (QA) materials sampling and testing management services, as well as weld inspection management services. The objective of this procurement is to ensure compliance with testing standards and maintain high-quality construction practices across projects within the district, which encompasses parts of North Dakota, South Dakota, Minnesota, Iowa, and Wisconsin. The contract will span five years, with a minimum value of $5,000 and a maximum of $2.5 million, emphasizing the need for ERDC-certified laboratories and adherence to safety protocols. Interested parties should direct inquiries to John P. Riederer at John.P.Riederer@usace.army.mil and ensure their quotes are submitted by the specified deadline.