ISHM International School of Hydrocarbon Measurement

Invested in Education and Industry Excellence

At W.L. Walker Co., Inc., we believe that the advancement of measurement practices depends on continuous education and open collaboration. That’s why we are proud participants and long-standing contributors to the International School of Hydrocarbon Measurement (ISHM)—one of the industry’s premier forums for training and technical exchange.

Our company has served on the ISHM Organizing Committee for multiple generations, reflecting a deep-rooted commitment to fostering knowledge and upholding measurement integrity. Each year, our team helps teach several technical classes, sharing hands-on expertise in areas such as manual gauging, temperature measurement, and custody transfer practices.

ISHM serves as a cornerstone of industry learning, bringing together thousands of professionals annually to promote safer, more accurate, and more efficient hydrocarbon measurement—and we’re honored to play an ongoing role in that mission.