AME vs STT Comparison

Founded in 1930 and transformed over the decades through the acquisition of dozens of esteemed brands, Ametek owns more than 40 autonomous industrial businesses operating across research, aerospace, energy, medical, and manufacturing. Ametek segments its business into two operating groups: the electronic instruments group and the electromechanical group. The EIG sells a broad portfolio of analytical, test, and measurement instruments, while the EMG sells highly engineered components, interconnects, and specialty metals. The company emphasizes product differentiation and market leadership in the niche markets it operates in.

State Street is a leading provider of financial services, including investment servicing, investment management, and investment research and trading. With approximately $54 trillion in assets under custody and administration, and $5.7 trillion in assets under management, as of Dec. 31, 2025, State Street operates globally in more than 100 geographic markets and employs about 51,500 worldwide.