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25 years experience in the aggregate/recycle and soils processing industry. Specializing in portable screening and crushing materials. I worked for CEC, which sold machines built by RD OLSON manufacturing. I now represent Major Wire with my company Northwest Screening Supply, LLC.


Pat also owns Interstate Equipment Supply LLC, which sells all of the replacement parts for machines labeled as CEC/ built by RD OLSON. We also sell new equipment built currently by RD Olson. We also sell used crushing and screening equipment. 

We are a service first based company. Specializing in customer first solutions..

10 years of experience in the aggregate/recycle and solls processing industry. Specializing in Accounting, finance, inventory management, purchasing and administration. Michael has an additional 20 years experience in the wood products and high tech industries.

Northwest Screening Supply LLC

Patrick Andrew - 503-819-1689

Michael Andrew - 971-322-6663