Hercules came with Sachs, obviously.
For a while there had been also some
Sachs-labled MTBs around, mostly with Manitou fork, Sachs power disc and everything else frorm the Quarz group.
I think also
Peugeot was a more heavier user of Sachs components, most likely this was some kind of patriotism related to their former local company Huret.
Some names and pics are in this thread
I just got a Sugino disc wheel which has a modified Hügi hub with custom Sachs disc. The modification was done by a Swiss guy who also designed some brakes for race cars. The custom star is made out of titanium and also the brake disc was custom made. Now I think about if I should remove the...
www.retrobike.co.uk
although focused at the Sachs disc brakes.
When it comes to International brands, to me
Cannondale was the only known one, and it was a bit of a Cannondale typical behaviour. Don't use/do what others use/do to not get comparable but rather stand out of crowd.
Not sure, maybe Sachs gave them also a nice discount to have at least one good and iconic refernce, even with successful race team.
Just in particular the race bikes had a lot of Sachs stickers but very often quite a few non-Sachs parts, e.g. Avid Brakes.
Kona had for a while at some mid nineties models Sachs front derailleurs, in combination with Shimano rear mech, Curve cranks and Gripshift.