- Einstein Healhcare Network
- Einstein Medical Center Montgomery
- Einstein Medical Center Philadelphia
- Eisai Medical Research, Inc.
- Eisenhower Health
- Eisenman and Association Inc.
- Ekos Corporation
- El Camino Health
- El Camino Health Mountain View Hospital
- El Centro Comunal Borincano Day Care
- El Centro Regional Medical Center
- El Dorado Furniture
- El Paso County
- El Paso County Medical Society
- El Paso County Medical Society
- ELA
- Elan Pharmaceuticals, Inc.
- Elant, Inc
- Elder Law, Estate Planning and Estate Administration
- Eldercare America, Inc
- Elderly Housing Development and Operations Corporation
- Elderwood
- Eldora Public Library
- Election Systems and Software
- Elections USA Inc.
- Electrical Apparatus Service Association
- Electrical Workers IBEW 306
- Electrical Workers IBEW 38
- Electronic Industry Alliance
- Electronic Office
- Electronics Industries Association
- Electronics Representatives Association
- Elevator Constructors Local 6
- Eli Lilly And Company
- Eliada Homes and Services for Children and Families
- Elim Park Baptist Home
- Elizabeth Clements
- Elizabethtown Community College
- Elkhart General Hospital
- Elko County Sheriff's Office
- Elks Lodge BPOE 111
- Ellenville Regional Hospital
- Elliance
- Elliot Hospital
- Elliott Homes, Inc.
- Ellis Hospital
- Ellwood City Hospital
- Elmore Community Hospital
- Elmore County Commission
- Elsevier