GBBR

AcronymDefinition
GBBRGas Blowback Rifle (airsoft)
GBBRGreater Baltimore Board of Realtors (Maryland)
GBBRGabbro (lithological term)
References in periodicals archive ?
Ingraham told organization members in a message posted on GBBR's website Wednesday afternoon there's potential to fix systems hijacked by a ransomware attack on City Hall last week in as little as four days.
GBBR's leadership team is attempting to schedule an emergency meeting with city officials.
He earned numerous honors for his sales accomplishments, including the title of Realtor of the Year, which was awarded to him by the Greater Baltimore Board of Realtors (GBBR) in 2015.