- OSC
- Ontario Securities Commission (Business » General)**** Office of the State Comptroller (Governmental » State & Local)** Office of Special Counsel (Governmental » US Government)** Ohio Supercomputer Center (Academic & Science » Universities)** Ohio Supercomputer Center (Computing » General)* Open Sound Control (Academic & Science » Electronics)* On- Scene Commander (Governmental » Military)* Orlando Science Center (Community » Non-Profit Organizations)* Online Service Center (Business » General)* Ottawa Ski Club (Community » Sports)* Office of State Controller (Community » Law)* Operation Support Center (Governmental » Military)* Objective Supply Capability (Governmental » Military)* Optimizing Sisal Compiler (Computing » General)* Operator Services Center (Business » General)* Office of Space Communications (Governmental » NASA)* Office of the Surveillance Commissioners (Governmental » Police)* Objective Straight Chiropractic (Medical » Physiology)* Other Side Of Creativity (Community » Educational)* Operations Support Cell (Governmental » Military)* Office Support Center (Business » General)* Ocean Science Committee (Academic & Science » Ocean Science)* Organic Solderability Coating (Academic & Science » Electronics)* The Order Of Saint Clare (Community » Religion)* Organized Serial Crimes (Community » Law)* Oscoda- Wurtsmith Airport, Oscoda, Michigan USA (formerly Paul B. Wurtsmith Air Force Base) (Regional » Airport Codes)
Abbreviations dictionary. 2012.