| SCMA | Sacramento County Management Association 
| Others |
| SCMA | Saskatchewan Country Music Awards
| Others |
| SCMA | School of Communication Media and the Arts
| Others |
| SCMA | Schuylkill County Municipal Authority
| Others |
| SCMA | Scripps Center for Marine Archaeology
| Others |
| SCMA | Security Configuration Management Automation
| Others |
| SCMA | Sierra College Management Association
| Others |
| SCMA | Smith College Museum of Art
| Others |
| SCMA | Society for the Current Middle Ages
| Others |
| SCMA | Sonoma County Medical Association
| Others |
| SCMA | South Carolina Manufacturers Alliance
| Others |
| SCMA | South Carolina Medical Association
| Others |
| SCMA | South Central Membrane Association
| Others |
| SCMA | South Central Motorcoach Association
| Others |
| SCMA | Southern California Mediation Association
| Others |
| SCMA | Southern California Military Academy
| Others |
| SCMA | Southern California Motorcycling Association
| Others |
| SCMA | Southern California Mountaineers Association
| Others |
| SCMA | Southern Community Media Association
| Others |
| SCMA | Southern Cypress Manufacturers Association
| Others |
| SCMA | Southwest Celtic Music Association
| Others |
| SCMA | Sparse Code Multiple Access
| Others |
| SCMA | Spartanburg County Museum of Art
| Others |
| SCMA | Specialty Certified Medical Assistant
| Others |
| SCMA | Sport Clube Mineiro Aljustrelense
| Others |
| SCMA | Student Christian Medical Association
| Others |
| SCMA | Supply Chain Management Analyst
| Others |
| SCMA | Supply Chain Management and Analytics
| Others |
| SCMA | Supply Chain Management Association
| Others |
| SCMA | Sussex County Medical Associates
| Others |