About ASF-Keystone

Wilbur and Orville Wright's first flight might never have succeeded without an assist from Amsted Industries' Diamond Chain subsidiary. A maker of bicycle and industrial roller chains, Diamond produced the propeller chain for the Wright brothers' aircraft. Amsted Industries' three different segments manufacture highly engineered industrial components – more... 

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Headquarters
2 Prudential Plaza
180 N. Stetson St., Ste. 1800
Chicago IL, United States 60601
Revenue
$1B to $5B (USD)
Employees
5,001 to 10,000
Industry
Links
ASF-Keystone website