| Rank | Abbreviation | Meaning |
|---|
| ***** | CMSO | Commercial Manager Store Operations
| |
| ***** | CMSO | Chief Marketing and Strategy Officer
| |
| ***** | CMSO | Crédit Mutuel du Sud-Ouest
| |
| ***** | CMSO | Computer-Integrated Manufacturing for Multi-Supplier Operations
| |
| **** | CMSO | Credit Mutuel Sud Ouest
| |
| **** | CMSO | CENTRAL MEDICAL STORES ORGANIZATION
| |
| *** | CMSO | Crew Medical Support Office
| |
| *** | CMSO | Consultation Médico-Sociale d'Orientation
| |
| *** | CMSO | Center for Magnetic Self-Organization in Laboratory and Astrophysical Plasmas
| |
| *** | CMSO | Center for Magnetic Self Organization
| |
| ** | CMSO | CSS Modeling and Simulation Office
| |
| ** | CMSO | Centro Multiprovincial de Supervision y Operacion
| |
| ** | CMSO | Central Medical Store Organisation
| |
| ** | CMSO | Cellular Mobile Service Operators
| |
| * | CMSO | Canada on the Move: Step One
| |
| * | CMSO | Center for Medicaid State Operations
| |
| * | CMSO | Controle Médico de Saúde Ocupacional
| |
| * | CMSO | Club Municipal Sportif d'Oissel
| |
| * | CMSO | Center for Medicaid and State Options
| |
| * | CMSO | Chicago Metropolitan Symphony Orchestra
| |
| * | CMSO | Consortium of Medical Student Organizations
| |
| * | CMSO | Construction Management Student Organization
| |
| * | CMSO | CIM for Multi Supplier Operations
| |
| * | CMSO | Centralized Mobile Switching Office
| |