This snippet shows when Beutron started manufacturing buttons in South Africa. Apparently, the government was encouraging foreign businesses to invest locally:
Williams & Weller, Dandenong:
A total mystery. There is no sign of them online!
Bert Saunders, Northcote:
Albert (Bert) Edward Saunders took over his fathers business on his death in 1915. He was still advertising in 1943.