ALSN vs SSD Comparison

Allison Transmission is the largest manufacturer of fully automatic transmissions for commercial vehicles. The company's automatic transmissions allow customers to achieve better fuel and operator efficiency than less expensive manual and automated manual transmissions. Allison serves several end markets, including on- and off-highway equipment and military vehicles. Its on-highway business has about 60% global market share. The company's transmissions can be found in Class 4-8 trucks, buses, and a limited number of large passenger vehicles (heavy-duty pickup trucks and motor homes). Allison also produces electric hybrid propulsion systems and is developing e-powertrains.

Simpson Manufacturing Co Inc is a manufacturer of wood construction products. The company offers connectors, truss plates, fastening systems, fasteners, prefabricated lateral systems, concrete construction products, adhesives, mechanical anchors, carbide drill bits, powder-actuated tools, and fiber-reinforced materials. Simpson Manufacturing markets its products to the residential, light industrial, and commercial construction markets as well as the remodeling and do-it-yourself markets. The Company is organized into three reporting segments defined by the regions namely North America, Europe, and Asia Pacific. The company generates the majority of its revenue from wood products.