Profile: Flint & Walling, Inc. is a source for complete water system. We manufacture a complete pump line, including submersible well pumps, jet pumps, centrifugal pumps, booster pumps, lawn sprinkling pumps, specialty pumps, sump pumps, utility pumps and sewage pumps. Our 4" submersible pumps are low, medium and high capacity submersible pumps for home, farm, industry and dozens of other domestic or commercial applications.