Reputable chainsaw tuner

[Treetopflyer]

I was lucky a friend of mine would go to the saw shop and pick my stuff up when he would go. They were from monster in Oley Pa
I had a few snellorized 201s and 151s via @treevet recommendation back in the early twenty teens years like 2014

 

[Analog]

I'm pretty sure that Madsen's will build saws too, you have to call them. No personal experience with any ported saws though, I just run them stock.

Madsen's Shop & Supply Inc | Authorized Power Equipment Dealer | Centralia WA

Madsen's is an authorized dealer for Stihl®, Husqvarna®, and Honda® power equipment. Our warehouse is filled with chainsaws, related tools, and various timber harvesting supplies, including lots of rugged outdoor work wear.

www.madsens1.com