- Envirocare of Utah
- Environmental Industry Association
- Environmental Systems Research Institute
- Ephraim McDowell Fort Logan Hospital
- Ephraim McDowell James B. Haggin Hospital
- Ephraim McDowell Regional Medical Center
- Epic Design by June Faircloth
- Epic Meetings and Production
- Epic Systems
- Episcopal Ministries to the Aging Inc.
- EPIX Pharmaceuticals
- Eplab Digest
- EPMOD Consultants, Inc.
- Eppstein Uhen Architects
- Epstein, Tabor and Schorr
- Equinoxx Smart Marketing
- Equipment Leasing Association
- Equipo BSN Santeros de Aguada
- Equipo de Voleibol Masulino Criollos de Caguas Inc.
- Equipo do Volleyball Femenino Criollas de Caguas
- eResearch Technology, Inc.
- eResources
- Ergos Technology Partners Inc.
- Erickson Retirement Communities
- Erie 1 Boces
- Erie Community College
- Erie County
- Erie County Convention Center Authority
- Erie County Medical Center
- Erie Insurance Group
- Erie VA Medical Center
- Erlanger Baroness Campus - Erlanger Baroness Hospital and Children's Hospital at Erlanger
- Erlanger Baroness Hospital
- Erlanger Bledsoe Hospital
- Erlanger East Hospital
- Erlanger Health System
- Erlanger Medical Center
- Erlanger North Hospital
- Erlanger Sequatchie Valley Emergency Department
- Erlanger Western Carolina Hospital
- Ernst and Yang LLP - Tampa
- Ernst and Young - Pittsburgh, PA
- Ernst and Young - Richmond, VA
- Ernstthal and Associates
- Erwin High School
- Erwin Middle School
- Escambia County
- eshow 2000
- ESI International
- Eskenazi Health