Yes, though it has been absorbed by Smiths Group in the UK. The seal company I worked for was bought out by Duriron, which was since merged into Flowserve.
It is good to have redundant systems.
Speaking of Boeing. Seems the manual says that, if the rudder jams, pilot and copilot both push on their pedals really, really, hard. The NTSB says "what happens if the rudder comes unstuck with both guys pushing on their pedals really hard? Would it not be a better idea to solve the problem of the rudder sticking, instead?