| Abbreviation | Definition |
|---|---|
| ECR | Electronic Corner Reflector |
| ECR | Electronic Court Record |
| ECR | Engineering Change Request |
| ECRC | Electronic and Continuing Resources Committee |
| ECRC | Electronic Commerce Resource Center |
| ECRC | Electronic Continuing Resources Committee |
| ECRF | Electronic Case Report Forms |
| ECRI | Electronic Cash Register Interface |
| ECRIC | Electrical Code Revision and Interpretation Committee |
| ECRM | Electronic Customer Relationship Management |
| ECRS | Electronic Correspondence Referral System |
| ECS | Electronic Claim Submission |
| ECS | Electronic Claims Submission |
| ECS | Electronic Clearing System |
| ECS | Electronic Commerce Server |
| ECS | Electronic Credit Settlement |
| ECSC | Electric Cooperatives of South Carolina |
| ECSE | Electrical Conductivity of Soil Extract |
| ECSG | Electronic Commerce Steering Group |
| ECSN | Electronic Component Supply Network |