Zoll Medical Corp., Chelmsford, Massachusetts, has been awarded a maximum $39,603,940 modification (P00003) exercising the second one-year option period of a one-year base contract (SPE2D1-19-D-0034) with four one-year option periods for airworthy suction apparatuses and accessories. This is a fixed-price with economic-price-adjustment, indefinite-delivery/indefinite-quantity contract. Location of performance is Massachusetts, with a Sept. 24, 2022, ordering period end date. Using customers are Army, Navy, Air Force, Marine Corps and Defense Health Agency. Type of appropriation is fiscal 2021 through 2022 warstopper funds. The contracting activity is the Defense Logistics Agency Troop Support, Philadelphia, Pennsylvania.