| Rank | Abbreviation | Meaning |
|---|
| ***** | AORC | Anarchy Online Relay Chat
| |
| **** | AORC | Arak Oil Refining Company
| |
| *** | AORC | Agent Orange Resource Center
| |
| *** | AORC | Association of Racing Chemists
| |
| *** | AORC | Asia Oceania Regional Council
| |
| *** | AORC | Automotive Occupants Restraints Council
| |
| *** | AORC | Arthritis and Other Rheumatic Conditions
| |
| *** | AORC | Association of Official Racing Chemists
| |
| *** | AORC | Automatic Off Resonance Correction
| |
| *** | AORC | azzawiya oil refinery co
| |
| *** | AORC | Abadan Oil Refining Company
| |
| ** | AORC | C2 Systems Section (USAFE)
| |
| ** | AORC | Artists of Rubber City
| |
| ** | AORC | Agent-Owned Reinsurance Company
| |
| * | AORC | American of Oriental Research
| |
| * | AORC | Asia Oceania Regional Conference
| |
| * | AORC | Appalachian Off Road Club
| |
| * | AORC | American Overseas Research Center
| |
| * | AORC | Association of Racing Commissioners
| |
| * | AORC | Australian Off Road Championship
| |
| * | AORC | Assessment of Obesity Related Comorbidities
| |
| * | AORC | Australian Open Road Championships
| |
| * | AORC | American Oboe Reed Company
| |
| * | AORC | Anglet Olympique Rugby Club
| |
| * | AORC | Assured Opportunity for Research Careers
| |