I think Intec has an AWD dyno now.
"Search Intech racing +WA" on google.
Axiom has an AWD dyno for sure. (but I don't think they have the personal to tune your car to its max potential. There is one guy there who can do a good job, but he's not there that often.
www.axiommotorsports.com
I don't go there anymore so I wouldn't know whats changed. Oh and its in Lakewood WA.
Then there is Torque freaks down in portland.
www.torquefreaks.com
Sorry man most people are SOL when it comes to AWD dyno's in WA. There is only 2, possibly 3 of them that Ive seen