To make the order-placing process easier for all, we have established an email address where you can send purchase orders. The address is accessible to all QSI staff and is continuously monitored. This way you can place an order and rest easy knowing that it has been received and will be processed promptly.


Cathy Nau
(360) 694-3165

QSI’s main customer service number is (360) 694-3165 and our staff is sure to be able to answer your questions and get your orders processed. The phones available from 8:00 AM to Noon and from 1:00 PM to 4:30 PM, and the email is on 24/7 – 365 and you will receive a response as quickly as possible.

Outside Sales Team

Eric Halberg
(503) 849-9071

Jerry Loiseau
(206) 510-9449

Jessica Halberg
(503) 577-5546

Brian Fleming
(206) 473-8212

Matt Wasch
(503) 329-6364

Outside sales staff are also available for you to contact directly via their cell phones and they will always take a call when possible or return a message at their earliest opportunity.

Information, sample, or literature requests may be sent to

We look forward to hearing from you!