About Knox

Knox Oil Field Supply is a value-added distributor of oilfield supplies and related services. Products include downhole pumps, rods, valves and fittings, and general supplies. Services include pump diagnostics and repair, as well as valve repair. Knox operates seventeen locations in Texas and New Mexico.


1978 – Knox Oil Field Supply was founded

July 2014 – Knox Oil Field Supply was acquired by Applied Industrial Technologies, Inc.

March 2018 – Applied US Energy, Inc. [dba] Knox Oil Field Supply

Parent company Applied Industrial Technologies (NYSE: AIT) is a leading industrial distributor that offers more than five million parts to serve the needs of MRO and OEM customers in virtually every industry. In addition, Applied® provides engineering, design and systems integration for industrial and fluid power applications, as well as customized mechanical, fabricated rubber and fluid power shop services. Applied also offers maintenance training and inventory management solutions that provide added value to our customers.  As of June 30, 2017, Applied achieved sales of $2.6 billion.  Applied can be visited on the internet at www.applied.com.

Knox provides customer's a valuable experience with:



·         Knowledgeable Oil Field Experience Sales Team

·         Large Local Inventories – Six Distribution Centers – 4000+ Manufacturers

·         Dedicated Nightly Deliveries from Fort Worth, Texas Distribution Center

·         Fast Reliable Local Deliveries –Minimize Downtime – Improve Operations

·         Value Add Through Innovative Solutions

·         Downhole Pump Repair

Blender Pump Repair

·         Pump Repair Tracking

Contact your nearest Knox Oil Field Supply location today to see how we can bring more value to your production.