ht tp://www.northernindustrialplating.com/plating.html
And they say there's nothing interesting in Sakatoon.
Nickel-Boron is a common coating for Sour Service (NACE) trim components that we use in the oil patch. Valve balls and seats, hard coated components like drill motor bearing parts etc. Something to remember, it's non-ductile so whatever you plate can't flex.