The Department of Defense, through the U.S. Army Corps of Engineers – Tulsa District, is seeking qualified vendors for vault pumping services at Hugo and Pine Creek Lakes in Oklahoma, and Pat Mayse Lake in Texas. The procurement aims to identify capable sources for servicing vaults, septic tanks, holding tanks, and lift stations, with a focus on encouraging participation from small businesses, including HUBZone, Service-Disabled Veteran Owned Small Businesses (SDVOSB), and other diverse categories. This sources sought announcement serves as a preliminary market research tool to inform future acquisition strategies, with responses due by September 12, 2024, at 10:00 AM Central Time. Interested firms should contact Lee Maddox at lee.h.maddox@usace.army.mil or Wyman W. Walker at wyman.w.walker@usace.army.mil for further information.