If MELY is really looking to lease 3 PH/s, then that is an enormous lease. You are not going to find a contract for that on the Internet, that would require direct communique, serious cash upfront (amount determined on the length of contract), and a daily maintenance fee that is directly deducted from the Coins earned.
If they really are doing this, I suspect Genesis Mining is the company they are going with, as they have top of the line Spondoolies Miners and 3 different Mining facilities and direct access to as much hardware as they need when they need it thanks to their partnership with Spondoolies. Right now Genesis mining offers a contract for .44 per GH/s for the lifetime of the contact (I'm sure if it were for 3 PH/S the price would be less) which means as long as the maintenance fee can be covered by the daily coin earnings the contract will continue.
According to the Crypto Currency article they were going to order from Spondoolies for the build that never happened.