STT vs TDY Comparison

State Street is a leading provider of financial services, including investment servicing, investment management, and investment research and trading. With approximately $49 trillion in assets under custody and administration, and $5.1 trillion in assets under management, as of June 30, 2025, State Street operates globally in more than 100 geographic markets and employs about 53,000 worldwide.

Teledyne Technologies Inc sells technologies for industrial markets. Roughly a fourth of Teledyne's revenue comes from contracts with the United States government. The firm operates in four segments: instrumentation, digital imaging, aerospace and defense electronics, and engineered systems. The instrumentation segment provides monitoring instruments primarily for marine and environmental applications. The digital imaging segment contributes majority of proportion of revenue and includes image sensors and cameras for industrial, government, and medical customers. The aerospace and defense electronics segment provides electronic components and communication products for aircraft. The engineered systems segment provides solutions for defense, space, environmental, and energy applications.