Usinger's ships great knackwurst and true German sausages. Not cheap but good.
I worked in a famous German restaurant for 4-5 years with actual "reformed Nazis" (found out only right before I left) who picked all the meats, smoked them, best Kassler Ripchen I ever had (smoked pork chops).
I figured it out when someone ordered a beer I was unfamiliar with then (my DH's fav as he got to tour the brewery ouside Prague), PILSNER URQUIL. Made in the now Czech Republic; then Czechoslovakia.
The Chef poured me one and in all seriousness said "please serve them our "suburban German" beer"
I then asked around and sure enough, both of these really nice owners had served for years as Nazis. Milwaukee in the 1950s and up until I was working in the late 1970s had tons and tons of Germans and we just didn't ask.