About Knox Oil Field Supply

Knox Oil Field Supply Inc. was founded in 1978 and based in San Angelo Texas.  Knox® has seventeen supply stores strategically located in Texas and New Mexico to service your oil field and industrial requirements.


Knox Oil Field Supply is a major supplier of quality oil field production equipment.
Harbison Fischer, Weatherford, Kimray Valves, Balon Valves, Casing, Flow Control Devices, downhole pumps, tubing anchors, and more.


Knox Oil Field Supply provides exchanges to bring extraordinary service to the oil and gas producers. We work directly with producers to increase their production and run times on downhole pumps.


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Our Suppliers

AOP Industries
Arrow Specialty Company
Baird Manufacturing
Centron Fiberglass
Balon Corporation
Harbison Fischer
Norris Sucker Rods