Both bombers targeted cellphone firms, in the city.
At the Airtel office building military troops shot the gunman before he could get to the building, his bomb did explode, but injured no one.
One security guard was injured, when the second bomber attacked MTN's offices, hitting a fence, which caused his bomb to explode.
Boko Haram is being blamed for the attacks.
The conflict with the terrorist group has seen nearly three thousand people die, since beginning in March of 2009.
Most of their attacks are carried out via suicide car bombs.