Profile: Harbison-Fischer Mfg. Co.manufactures a line of oil well pumping equipment. Our products are sucker rod pump barrels, sucker rod pump plungers, sucker rod pump valve cages, sucker rod pump balls and seats, Johnson-fagg stuffing boxes, John martin polished rod clamps, sucker rod pump seal assemblies and accessories. We also provide solutions for gas locking and handling conditions, fluid production with sand/particulates, high volume production and API insert and tubing pumps.