O.K., so I,m the guy with OCD and cabin fever.......I called the local hy. jack repair shop in town (friendly, small town shop) and he enlightened me.
Hein Werner, BlackHawk, Lincoln all shared ownership of some kind and were purchased by Shin Fu (SP)some years back. He didn't think Hein Werner existed, which contradicts a web search and makes his advice questionable.
Today, U.S. brands include U.S. Jack, Milwaukee, and maybe some OTC. He said U.S Jack was a solid choice.
A good import brand is Norco.
Why good? According to him, nearly all imports have no customer support and no parts available. They're cheap because they are meant as throw aways. Would be good to call Northern Tools to see if parts are available.
I enjoy researching stuff, but in the end, I bet most of the imports would last many years for the diy'er.
Just the messenger - don't shoot me!