Our New Digital Devices Please visit our About Page for more information on availability

The company headquarters in 1941

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

Introducing the Walker Judgment Dry Block

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

See Below link for tips on Navigating our New site

                                           We have created a page to help you navigate through our new site !   Click Here for Tips                                            

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). 


W L Walker Co News

W L Walker Co News

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.

We have joined the modern age and launched a Twitter Account (Click Here) to view our Twitter Page.