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Greenfield Banking Company is the first bank formed in Greenfield, opening Sept 4, 1871 The bank has remained open and operated normally through 2 financial times of crisis in 1873 and during the stock market crash of 1929
Sydex Computer Systems is a Wyoming, MI-based company in the Business Services sector.
Penna Powers Brian and Haynes is a Salt Lake City, UT-based company in the Business Services sector.
New York State Energy Research and Development Authority is a Albany, NY-based company in the Business Services sector.
Optimus is a Chicago, IL-based company in the Business Services sector.