Our most popular centrifuge the model 18721

The company headquarters in 1941

Our products have been developed to excel in the most demanding environments

We have been building superior gauging equipment since 1926

Tulsa Thief TM in its most popular form AVAILABLE TODAY Part No 70021

Developing Technology for the Global Hydrocarbon Industry


W. L. Walker Company is dedicated to developing, manufacturing and distributing accurate and durable testing, measuring and sampling instrumentmentation for the global hydrocarbon industry.


All Walker products are designed and manufactured in the United States to the highest industry standards.


All of our products comply with the specifications set forth by the American Petroleum Institute (API), and The American Society for Testing and Materials (ASTM). 


Our New State of the Art Laboratory

Our New State of the Art Laboratory

All of our digital instruments are assembled and tested in Our New Laboratory

We recently expanded into a new, state of the art laboratory at our Tulsa Headquarters. We tripled the size of our testing and verification labs to help us keep up with demand while maintaining the highest standards of quality.