Allison Transmission Holdings, Inc., founded in 1915, is a global leader in the manufacture of fully-automatic transmissions for medium and heavy-duty commercial vehicles, as well as medium and heavy-tactical U.S. military vehicles. The company also specializes in hybrid-propulsion systems for transit buses. Allison's core mission is to provide reliable, innovative propulsion solutions that improve the performance and efficiency of commercial and military vehicles. Their market focus spans various applications, including refuse trucks, buses, construction, fire and emergency, and defense.

Notable individuals affiliated with Allison Transmission include its executive leadership team and board members who have extensive experience in the automotive and defense sectors. The company has received significant investment from various stakeholders over the years. Key achievements include the widespread adoption of their automatic transmissions in diverse vehicle applications globally, enhancing fuel efficiency and operational reliability. Allison Transmission's impact is evident in its contribution to advancing vehicle technology and supporting critical infrastructure through dependable transmission systems.