Every box/tub of GB wire nuts I have say "Made in USA". They seem to feel nicer, work better, and don't crack like a LOT of others do. (I'm looking at you HF wirenuts!)
The hex-head ones say made in USA, Both Red and Yellow and the orange 22-14 AWG nuts also are made in USA.
The hex-head ones say made in USA, Both Red and Yellow and the orange 22-14 AWG nuts also are made in USA.