By now Canada and Australia are meeting most if not all of their aircraft needs from domestic production, with Commonwealth Aircraft also delivering for the Kiwis, (and yes, Avro Canada is part of this), and the Canadians are becoming the second-biggest Arms suppliers after the Brits themselves.
The ANZACs are getting a lot from factories in India, but are ramping up domestic production. Before El Pip intervenes: Yes, HMG isn't happy about the colonials becoming so independent but alas they know it can't be helped. Lots of teeth have been gnashed and tea has been spilt over this, but it cannot be helped.
The Mexicans are far too busy to send anyone to war. They keep their eyes nervously north while at the same time trying to stop the Neo-Zapatistas from happily joining the true workers Paradise, same going for most of the other Latin and South-American countries. Most of the others you listed aren't sending troops, except for Nepal and Bhutan who are by now more than three quarters of Montgomery's North-West Frontier Force.