Why can't I find Ritchie, the manufacturer of high vacuum refrigeration pumps?

Question

Ritchie is a mfg.of refrigeration and air conditioning tools and

equiptment.

Answer 1

http://www.yellowjacket.com/Default.asp works for me, it was a little slow to load, but not dead.

Answer 2

http://www.achrnews.com/thedirectory/res...

their website is supposed to be at

Website: www.yellowjacket.com

but it's dead.