| Electronic Rapid Action Change | Academic & Science |
| Electronic Request for Additional Compensation | Academic & Science |
| Engineering Response Action Contractor | Academic & Science |
| Examination Resources and Advisory Committee | Business |
| Evaluation and Research Advisory Committee | Business |
| Environmental Risk Advisory Committee | Business |
| Environmental Resources Advisory Council | Business |
| Environmental Review Advisory Committee | Business |
| Electric Rate Advisory Committee | Business |
| Educational Resource Acquisition Consortium | Community |
| Education Resource Acquisition Consortium | Community |
| Educational Resources Acquisition Consortium | Community |
| Equal Respect for All Communities | Community |
| Enterprise Rent A Car | General |
| Enhanced Recovery After Cesarean | General |
| Electric Armaments Research Center | Governmental |
| Environmental Research Advisory Council | Governmental |
| Environmental Response Action Contractor | Governmental |
| Electrical Regulatory Authorities Council | Governmental |
| Environmental And Regulatory Affairs Committee | Governmental |
| Public Employee Retirement Administration Commission | Governmental |
| Environmental Review Appeals Commission | Governmental |
| Employee Relations Advisory Committee | Governmental |
| European Radio Astronomy Club | Regional |
| Eastern Regional Advisory Committee | Regional |
| European Regional Affairs Consultants | Regional |
| European Regional Aerodromes Community | Regional |
| Emergency Response Assistance Canada | Regional |
