PSN vs ALSN Comparison

Parsons Corp is a provider of technology-driven solutions in the defense, intelligence, and critical infrastructure markets. The business activities of the group are carried out through Federal Solutions and Critical Infrastructure segments. The Federal Solutions segment is a high-end service and technology provider to the U.S. government, delivering timely, cost-effective solutions for mission-critical projects, whereas the Critical Infrastructure segment provides integrated design and engineering services for complex physical and digital infrastructure around the globe.

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.