INDIANAPOLIS–(BUSINESS WIRE)–Allison Transmission, a leading designer and manufacturer of conventional and electrified vehicle propulsion solutions and the largest global manufacturer of medium- and heavy-duty fully automatic transmissions for commercial and defense vehicles, is pleased to announce the winner of its inaugural Allison Guild Technician Skills Competition. Nick Weidlich with Clark Power Services, Inc. in Wentzville, MO was named Grand Champion of the Allison Guild Technician Ski