Digital Currency Group CEO Barry Silbert has said miners equivalent to almost 80% of the Bitcoin hashrate support SegWit and 2MB blocks.
Having publicly stated his own preference for Bitcoin scaling, Silbert then reported he had signed up “over 50 bitcoin companies from ~20 countries” to support the same.
Read more here: https://cointelegraph.com/news/78-bitcoin-hashrate-comes-from-segwit-supporting-miners-barry-silbert