| Acronym | Definition |
|---|
| ECCS➣European Convention for Constructional Steelwork (various organizations) |
| ECCS➣Emergency Core Cooling System |
| ECCS➣Extreme Conventional Combustion System |
| ECCS➣Electronically Concentrated Control System |
| ECCS➣Electrical, Communications and Cyber Systems (US NSF) |
| ECCS➣European Conference on Complex Systems |
| ECCS➣Elite Cruise Counselor Scholar (travel) |
| ECCS➣Électricité Chauffage Cuisine Sanitaire (French: Electricity Heating Kitchen Sanitation) |
| ECCS➣Fundamentals of Electronics, Communications and Computer Sciences (Institute of Electronics, Information and Communication Engineers) |
| ECCS➣Expeditionary Command and Control Suite (US Marine Corps) |
| ECCS➣Electrolytic Chrome-Coated Steel |
| ECCS➣EKMR (Extended Karnaugh Map Representation) Compressed Column Storage |
| ECCS➣Emergency Contamination Control Station |
| ECCS➣Electro-Coated Chromium Steel |
| ECCS➣Engineer Command and Control System |
| ECCS➣Electronic Check Clearing System |
| ECCS➣Enterprise and Customer Connection Services (Sprint) |
| ECCS➣Environmentally-Conscious Corporate Strategy |
| ECCS➣Emotional Content and Cooperation Score |
| ECCS➣Evangelical Covenant Church of Sudan |