The Department of Defense, specifically the Department of the Army, is soliciting bids for the supply and delivery of 50 55-gallon drums of Caterpillar DEO-ULS 15W-40 CJ-4 Diesel Engine Oil or an equivalent product. The motor oil must meet or exceed the specifications outlined in the Statement of Work, emphasizing the importance of high-quality lubricants for military operations and equipment maintenance. This procurement is set aside for small businesses under the Total Small Business Set-Aside (FAR 19.5) and falls under the NAICS code 324110 for Petroleum Refineries. Interested vendors can reach out to Michelle Person at michelle.r.person@usace.army.mil or 314-331-8506, or Angie Grimes at angie.l.grimes@usace.army.mil or 314-331-8965 for further details.