Profile: McFarland Pump Company L.L.C. offers positive displacement reciprocating plunger/piston and diaphragm pumps for chemical injection metering, hydrostatic testing and high pressure water jetting applications. We also provide a complete line of spare pump parts. We manufacture rugged equipment for the oil field and petrochemical industries. We specialize in pump or sampling system. We are ISO 9001:2000 certified.