| Radcliffe observatory Magellanic Clouds | Academic & Science |
| Rocky Mountain College | Academic & Science |
| Rigid Metal Conduit | Academic & Science |
| Rockford (il) | Airport Code |
| Ready Mix Cement | Business |
| Resource Marketing Company | Business |
| Relocation Management Company | Business |
| Regional Marketing Concepts | Business |
| Ranch Management Consultants | Business |
| Rochester Midland Corporation | Business |
| Renton Motorcycle Company | Business |
| Repairable Maintenance Company | Business |
| Rainbow Multi-Coating | Business |
| Risk Management Conference | Business |
| Reimbursement Management Consultants | Business |
| Raw Material Costs | Business |
| Resource Management Center | Business |
| Resource Management Concepts | Business Management |
| Recruitment Management Consultants | Business Management |
| Restoration Management Company | Business Management |
| Rock Music Club | Community |
| Royal Masonic Cyclopaedia | Community |
| Randolph Mountain Club | Community |
| Roundtable of Musical Craftsman | Community |
| Real Man Conference | Community |
| Regional Ministers Conference | Community |
| Rebuild My Church | Community |
| Reading Motorcycle Club | Community |
| Revolt Music Conference | Community |
| Risk Management Committee | Community |
| Reciprocal Meat Conference | Community |
| Recreational Music Center | Community |
| Ron's Mud Client | Computing |
| Receive Message Counter | Computing |
| Rack Mount Computer | Computing |
| Recursive Macro Call | Computing |
| Rackmount Monitor Chassis | Computing |
| Resource Monitoring and Control | Computing |
| Resource Management and Control | Computing |
| Replica Metadata Catalog | Computing |
| Remote Memory Communication | Computing |
| Rich Mobile Content | Computing |
| Real Marketing Card | Computing |
| Rich Media Communications | Computing |
| Rich Media Content | Computing |
| Reference Model for Cloud | Computing |
| Remote Management Controller | Computing |
| Right Mouse Click | Computing |
| Randolph Macon College | Educational Institute |
| Remote Methode Call | General |
| Removable Mood Color | General |
| Register Of Mesne Conveyance | General |
| Resurrection Muscle Cars | General |
| Riverland Motorsport Club | General |
| Rate My Courses | General |
| Rare and Manuscript Collections | General |
| Reichle Modular Cabling | General |
| Rivers and Mountains Conservancy | General |
| Record My Call | General |
| Rocky Mountain Chapter | General |
| Rocky Mountain Construction | General |
| Rallye de Monte Carlo | General |
| Reverse Monte Carlo | General |
| Riley Motor Cars | General |
| Recovery Manager Central | General |
| Radial Master Cylinder | General |
| Race Master Cylinder | General |
| Rallye du Maroc Classic | General |
| Rear Mount Connector | General |
| Raman Music Center | General |
| Roadrunner Miata Club | General |
| Ridgerunner Miata Club | General |
| Ready Mix Concrete | General |
| Rocky Mountain Corsa | General |
| Real Master Collection | General |
| Riley Motor Club | General |
| Rotax Max Challenge | General |
| Rehoboth Motor Club | General |
| Restomod Muscle Car | General |
| Room Mode Correction | General |
| Random Mandatory Candidacy | General |
| Ravenclaw Muggles Club | General |
| Ready Mixed Concrete | General |
| Radio Monte Carlo | General |
| Real Mccoy Custom | General |
| Radar Maintenance Centre | General |
| Remote Monitoring And Control | General |
| Respectful Maternity Care | General |
| Resource Monitoring Control | General |
| Reliability and Maintainability Center | General |
| Regression for Multiple Comparison | General |
| Register Of Mesne Conveyances | General |
| Rainbow Multi-Coated | General |
| Rural Maryland Council | Governmental |
| Recycling Markets Center | Governmental |
| Radioman Chief Petty Officer | Governmental |
| Rajkot Municipal Corporation | Gujrat Government |
| RAM CHAURA ROAD | Indian Railway Station |
| Russian Miner Coin | International |
| Registered Municipal Clerk | Jobs |
| Reception Medical Center | Medical |
| Reception and Medical Center | Medical |
| Regional Medical Center | Medical |
| Riverside Medical Clinic | Medical |
| Renal Medullary Carcinoma | Medical |
| Rec Music Christian | Messaging |
| Resource Management Committee | Military and Defence |
| Remote Multiplexer Combiner | Military and Defence |
| Regular Military Compensation | Military and Defence |
| Rescue Mission Commander | Military and Defence |
| Resource Management Committee (csif) | Military and Defence |
| Returned To Military Control | Military and Defence |
| Royal Marines Commandos | Military and Defence |
| Royal Military College | Military and Defence |
| Chief Radioman | Military and Defence |
| Remote Method Call | Networking |
| Radiative Muon Capture | Physics Related |
| Raymer, Mostowski, and Carlsten | Physics Related |
| Repeater Management Committee | Radio Science |
| Rail Motor Car | Regional |
| Regional Mini Camp | Regional |
| Regional member countries | Regional |
| Regional Meteorological Centre | Regional |
| Rational Method Composer | Softwares |
| Redundancy Management Control | Space Science |
| Regional Match Course | Sports |
