Where to buy pine nut trees in the PNW?

Team, looking to add 4 to 6 pine nut producing trees to my property in the Willamette valley. I need a little  guidance on what I need as far as nut selection, pollinators and so forth. Hoping to find a supplier than can guide me a little.

Where are all the cool kids buying pine nut trees from these days?

I did a look around for this a few years ago and decided against it for my property here in NY State, but your climate and situation are probably much different.  The easiest way to get them for almost no money is to wait until Christmas and grab a few potted "christmas trees" at the local store. These are generally the Italian variety and if your weather is not too harsh they will work well for you.  The native trees that produce pine nuts in areas like colorado do not produce nuts every year.

I looked specifically for "Siberian Cedar Pine Nuts" and there is a company in Canada that will ship them to the US. Here is the thing though, you have to apply for a permit to ship into the US. They also will only ship if you purchase their micorizahea fungal mix that they say is required for the trees to thrive because they are non-native. As a native plant supporter, that it when I stopped my search.  I would have loved pine nuts, but I had a serious reaction to trader joe's pine nuts and got what is called pine breath. These nuts were sourced internationally, but the strong effect, which left a long term lingering bitter taste in my mouth which got worse with eating (and I was a food blogger at the time--yuck!) was researched and linked to nuts coming from China. After getting over the effect, I have never  had the guts to eat one again!

Good luck!