The present embodiments are directed to a processing system and transport carrier components for sterilization or pasteurization. In particular, an example embodiment includes a transport carrier for carrying one or more items to be sterilized or pasteurized, wherein the transport carrier includes a carrier base and one or more cross members coupled to and extending between sides of the carrier base. In addition, the transport carrier includes a tray member configured from at least one material of construction selected from a metal, a metal alloy, and a plastic, wherein the tray member extends between ends along the sides of the carrier base, and wherein the tray member further comprises one or more apertures configured to receive the one or more items to be sterilized or pasteurized.