| Rank | Abbreviation | Meaning |
|---|
| ***** | MORC | Midget Ocean Racing Club
| |
| ***** | MORC | Midget Offshore Racing Club
| |
| ***** | MORC | Moorish Orthodox Radio Crusade
| |
| **** | MORC | Macomb Oakland Regional Center, Inc.
| |
| **** | MORC | Minimum Operating Reserve Criteria
| |
| **** | MORC | Minimum Operating Reliability Criteria
| |
| **** | MORC | Midget Ocean Racing Conference
| |
| **** | MORC | Ministry of Religion and Culture
| |
| *** | MORC | Mortgage Origination Resource Center
| |
| *** | MORC | Multi-Output Resonant Converter
| |
| *** | MORC | Medical Officers Reserve Corps
| |
| *** | MORC | Maine Orthopaedic Review Course
| |
| *** | MORC | Mineral Oils Relief Centre
| |
| ** | MORC | Manually Operated Rail Cart
| |
| ** | MORC | Manitoba Ornithological Records Committee
| |
| ** | MORC | Market Operations Review Committee
| |
| ** | MORC | Motor Oils Refining Company
| |
| ** | MORC | MN Off Road Cyclists
| |
| ** | MORC | Memorandum of Regional Cooperation
| |
| ** | MORC | Memorandum of Regulatory Co
| |
| ** | MORC | Mercedes Off Road Club
| |
| ** | MORC | Members of Reciprocal Clubs
| |
| * | MORC | Model of Relational Communication
| |
| * | MORC | Minnesota Off-Road Cyclists
| |
| * | MORC | Memorandum of Regulatory Cooperation
| |