What does RLG stand for?

What does RLG mean?

RLG	Research Libraries Group Governmental » NASA
RLG	Research Libraries Group Community
RLG	Research Libraries Group Academic & Science » Universities
RLG	Research Libraries Group Governmental » US Government
RLG	Ring Laser Gyro Governmental » Military
RLG	Rostock- Laage, Germany Regional » Airport Codes
RLG	Reshall Linux Geek Business » Positions
RLG	Ring Laser Gyro Governmental » NASA
RLG	Regional Liaison Group Governmental » Military
RLG	Rcl Group Business » ASX Symbols