M&M International ("M & M") is an Original Equipment Manufacturer ("OEM") of well control valves and inside blowout preventers ("IBOP"), as well as saver, crossover, pump-in.a nd integral side-entry subs. At M & M we design and manufacture the most efficient and user friendly well control valves on the market today. Our patented CANISTER GUARD(TM)technology is incorporated into our valves designs, which helps to make ours the most reliable valves in the business.