Atlantic Diving Supply Inc.,* doing business as ADS, Virginia Beach, Virginia (SPE2DS-21-D-0004); W.S. Darley & Co., Itasca, Illinois (SPE2DS-21-D-0006); Owens and Minor Distribution Inc., Mechanicsville, Virginia (SPE2DS-21-D-0003); Regulus Global LLC, Virginia Beach, Virginia (SPE2DS-21-D-0002); and TQM LLC, doing business as Two Rivers Medical, Greer, South Carolina (SPE2DS-21-D-0005), are sharing a maximum $516,953,713 firm-fixed-price, indefinite-delivery/indefinite-quantity contract under solicitation SPE2DS-17-R-0002 for the Foreign Military Sales Medical and Surgical Tailored Logistics Support program. These were competitive acquisitions with eight responses received. These are one-year base contracts with four one-year option periods. Locations of performance are Virginia, Illinois and South Carolina, with a May 3, 2022, ordering period end date. Using customers are foreign military services worldwide. Type of appropriation is fiscal 2021 through 2022 defense working capital funds and Foreign Military Sales funds. The contracting activity is the Defense Logistics Agency Troop Support, Philadelphia, Pennsylvania.