Farrar Corporation, Green Sand Foundry, Metal Casting, Ductile Iron Castings, Pattern Design and Fabrication, Casting Design, CNC Grinding, Fixture Design and Fabrication, Astm A536 Ductile Iron, Austempered Ductile Iron, Adi, Annealing and Austempering, Casting Conversion Design; Farrar Corporation is a Green Sand Foundry, Machine Shop, Pattern Shop, Heat Treatment, and Assembly Operation Pouring All Grades of Ductile Iron To Make Castings Up To 75 Pounds; Farrar Green Sand Foundry and Machine Shop, Metal Castings ...