The Bureau of Prisons is seeking vendors to remove and replace five diesel-powered refrigeration units on mobile trailers at their Logistics Site in Fort Worth, TX. The contractor must provide all labor, materials, and supervision, including installation, connection to existing fuel systems, and thorough testing. The period of performance is 180 calendar days from notice to proceed, with a projected award date of August 15, 2026. Interested contractors must be registered in the System for Award Management (SAM). This pre-solicitation notice is not a request for quote; quotes will be solicited directly from vendors via email.