Contact Us Today: or (360)352-8688

Full Service Cannabis Laboratory

"Cannabis Testing, Driven by Quality Science and Experience"

All Your Testing Needs, Covered.

Free Sample Pickup

Our couriers cover the entire state of Washington meeting our clients' pickup needs. Consistent, On-Time, and Flexible.

3-Day Turn-Around

We know that time is of the essence. You can plan ahead knowing that your results will be ready when you need them most. Rush services available.

Quality Data Packages

As a small, independent laboratory, you get the benefit of our years of experience in the field and in the lab, with a reputation of quality and accessibility.

Are You In Need Of A Full-Service Analytical Laboratory?

True Northwest Inc. offers all state mandated I-502 Quality Assurance Testing to Producers and Processors in the State of Washington. We support our clients with customized services like Grow Checks, Wastewater Consultations, Environmental Monitoring, and a range of Additional Analytical Testing.

Female scientist in a hemp field checking plants and flowers, alternative herbal medicine concept


"We appreciate your teams diligence and professionalism. It has been a pleasure to work with your lab. We look forward to conducting future business."

American Hash Makers

"Thank you for all the follow ups that you have been working out with our inventory manager. I have seen that there is efficient communication every time we have a doubt."

CannaSol Farms

"Quality, Customer Service, Timeliness. Very quick turnaround, good help understanding results, great folks to work with."

Howlng Dog Farms

"First off, thank you so much for all of the tests you run for Cascadia! We are truly lucky to have such a wonderful resource like TNW and we appreciate your level of professionalism greatly."

Cascadia Gardens

"After bouncing around other testing labs, we settled in with True Northwest because we feel the results are accurate and the entire staff makes it easy to QA test and understand the process."

Select Label

"After trying several labs we were very pleased to find True Northwest.  Their customer service has been awesome!  They always show up when they say they will, and they even bring candy!  They bend over backwards to help us, even picking up on days that aren't their normally scheduled days if we need them to.  They've been an absolute pleasure to work."

American Sensi Gardens

Accuracy Matters

We understand the importance of testing methods that are accurate and consistent. Clients can rest assured knowing that quality data is one of our top priorities. We hold ourselves to the same standards of our parent lab, Libby Environmental, that has over a decade of experience performing analytical chemistry and is accredited by the Washington State Department of Ecology. That's why, we perform quarterly proficiency and daily standards testing to ensure the results our laboratory delivers are true.

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