333911  Pump and Pumping Equipment Manufacturing

This U.S. industry comprises establishments primarily engaged in
manufacturing general purpose pumps and pumping equipment (except fluid
power pumps and motors), such as reciprocating pumps, turbine pumps,
centrifugal pumps, rotary pumps, diaphragm pumps, domestic water system
pumps, oil well and oil field pumps and sump pumps.

The data published with NAICS code 333911 include the following
SIC industries:

3561 Pumps and pumping equipment                                               
                                                 
3743 Railroad equipment (pt)