The Frog, Switch & Manufacturing Co.
A leading and innovative manufacturer of steel castings. As a provider of unmatched quality and service, Frog, Switch has prospered through the industry's most difficult times. Originally a supplier of components to the railroad industry, a long and fascinating history has brought Frog, Switch to where we are now - primary producers of replacement parts for the crushing and grinding industry. We are presently also a world leader in manganese steel castings.