Companies choose the cheapest! :dev2:

In my experience Snap-On tend to be the favourite.

Absolutey NOT!
Draper, or any other cheap Chinese garbage would not be allowed in my Aircraft factory nor near any aeroplane.
I’m not naming, but our tools are American made, (1) sometimes Brazillian (As they are the only country/place outside Sheffield that have truly mastered the art of making Stainless Steel actually stainless (To the 22 chemicals under MoD testing)

(1) There are no quality British tools anymore. Sad, but true. The British names just pack them, the kit is made in China, and it’s rubbish. Use once is fine, then bin it.