Last updated: 1/17/2025

This directory lists the individuals, and the companies they represent, who have satisfied the requirements for accreditation in Washington state by completing the Master Logger Professional or Onsite Supervisor training. Onsite Supervisors can be identified by looking at the certification number. Onsite Supervisors have the “OSS” preceding their certification number.

(Note: As of this revision, 670 individuals are currently certified in the Master Logger program. For more information on the MLP, contact the WCLA, Inc. at (800) 422-0074.)