American Marsh

It was originally called American Steam Pump Co., as they started out making steam pumps.

They were the first company to market a centrifugal pump, and briefly forayed into making corliss-valved air compressors.

[1] The company focuses on the Industrial, Municipal, Commercial and Fire Protection markets.

The company is considered a major pump manufacturer and key pump design developer.

[5][6] The company is owned by, but retains separate identity from, J-Line Pump.