| EOSS | East Orange Shooting Sports 
| Others |
| EOSS | Economic Opportunity Strategy and Solutions
| Others |
| EOSS | Edge of Space Sciences
| Others |
| EOSS | Edmonton Obesity Staging System
| Others |
| EOSS | Educational Outreach
| Others |
| EOSS | Educational Outreach and Student Services
| Others |
| EOSS | Educational Outreach Student Services
| Others |
| EOSS | Electro Optical Sensor System
| Others |
| EOSS | Electro Organic Sound System
| Others |
| EOSS | Electro-Optical Simulation System
| Others |
| EOSS | End of Season Sale
| Marketing, Sales |
| EOSS | Engineering Operational Sequencing System
| Others |
| EOSS | Enhanced Operational Support System
| Others |
| EOSS | Enroute and Oceanic Support Services
| Others |
| EOSS | Enterprise Open Source Solutions
| Others |
| EOSS | Enterprise Operation and Security Services
| Others |
| EOSS | Enterprise Operations and Security Services
| Others |
| EOSS | Event Organizers Sector Supplement
| Others |
| EOSS | Evolution of Semantic Systems
| Others |
| EOSS | Expeditionary Operations Support Squadron
| Others |
| EOSS | Eye on the South Side
| Others |
| EOSS | Eyes on the South Side
| Others |