The Department of Defense, specifically the Department of the Army through the W071 Endist Kansas City office, is soliciting proposals for geotechnical lab and construction material testing services. The procurement aims to secure testing laboratories and services that are critical for ensuring the quality and safety of construction materials used in various defense projects. These services play a vital role in maintaining compliance with engineering standards and enhancing the durability of military infrastructure. Interested vendors should contact Erynn Wright at erynn.n.wright@usace.army.mil or Michael France at michael.g.france@usace.army.mil for further details, and note that the due date for submissions has been extended as per the latest amendment.