Bitcoin (SHA-256) ASICs sold to miners:

- Avalon (by Canaan, China)
- DragonMint (by Halong, China)
- eBit (by ebang, China)
- antminer (by bitmain, China)

Bitcoin (SHA-256) ASICs produced for (internal) corporate use exclusively or primarily:

- GMO, Japan https://mining.gmo.jp
- Cryptotech AS, Norway https://Cryptotech.no

I don't know where/how/what BitFury sources their Bitcoin (SHA-256) ASIC mining hardware.

- https://www.reddit.com/r/BitcoinMining/comments/7k69go/why_arent_other_companies_releasing_asic/dt8v24a