This is the largest and most DETAILED list I've ever seen on this topic.
http://www.cancelthiscompany.com/Good-Companies.html
http://www.cancelthiscompany.com
Sample listing:
Menards Hardware - Historically heavy Republican donors, but starting to waiver. Still carries MyPillow! Eau Claire, Wisconsin-based.
I've been avoiding Amazon for a while. I stopped shopping Whole Foods when Amazon bought them. Also, Google Fiber spent FOUR months installing fiber in our neighborhood. No way am I going to sign up, though.