GD vs FI Comparison

General Dynamics is a defense contractor and business jet manufacturer. The firm's segments are aerospace, marine, combat systems, and technologies. General Dynamics' aerospace segment manufactures Gulfstream business jets and operates a global aircraft servicing operation. Combat systems produces land-based combat vehicles such as the M1 Abrams tank and Stryker armored personnel carrier, as well as munitions. The marine segment builds and services nuclear-powered submarines, destroyers, and Navy support ships. The technologies segment contains two main units: an IT business that primarily serves the government market and a mission systems business that focuses on products that provide command, control, computing, intelligence, surveillance, and reconnaissance capabilities to the military.

Fiserv is a leading provider of core processing and complementary services, such as electronic funds transfer, payment processing, and loan processing, for US banks and credit unions, with a focus on small and midsize banks. Through the merger with First Data in 2019, Fiserv also provides payment processing services for merchants. About 10% of the company's revenue is generated internationally.