The meaning of the Acronym PRB is...

PRB is

• Press Release Blaster

More Meanings For PRB:

• Pseudo-Random Binary
• Powder River Basin
• Polar Research Board
• Polar Research Board
• Philosophy Research Base
• Punk Rock Blues
• Preserve The Rare Breeds
• The Private Radio Bureau
• Paul Raymond B
• Projector Recorder Belts
• Puerto Rican Baby
• PROBEX Corporation
• Problem Review Board
• Performance Review Board
• Personnel Replacement Battalion

PRB is also in:

• AMEX Symbols
• Electronics
• FDA
• Firms
• Geology
• Meteorology
• Military
• Ocean Science
• Unfiled
• Universities