TTMI vs ALSN Comparison

TTM Technologies Inc manufactures technology products, including mission systems, RF components, RF/microwave assemblies, and advanced interconnect products such as PCBs and substrates. It operates through three segments: A&D, Commercial, and RF&S Components. The A&D segment supports aerospace and defense missions with PCBs, assemblies, microelectronics, and integrated systems. The Commercial segment, generating the majority of revenue, serves automotive, medical, industrial, and data center markets. The RF&S Components segment provides TTM-designed RF components and COTS products. The Company's revenues come from PCBs, engineered systems, and long-term contracts for intelligence, surveillance, and communications solutions.

Allison Transmission is the largest manufacturer of fully automatic transmissions for medium- and heavy-duty commercial vehicles. Its 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 commands approximately 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 motorhomes). Allison also produces commercial hybrid propulsion systems and is developing fully electric powertrains.