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Probably the most legit is: https://www.genesis-mining.com/
Check @craig-grant posts - he has some knowledge about this site:)

Thank you. I have seen this site online but never really did any investment to it. Hopefully it a legits company for me to invest in to.

if you want to know my opinion! best is
https://www.eobot.com/user/400201
just get the cloud contrat and coins in the faucet
or use the pool and even get steem tested and withdraws working cool!!

and if you whant to know my opinion on met...
get the free credit but don't invest! and expect publicity in your email :P
https://steemit.com/bitcoin/@eliowilson/new-mining-site-in-town