- 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
- Elmhurst Hospital - Main Campus
- Elmore Community Hospital
- Elmore County Commission
- Elsevier
- Elvis Presley Enterprises
- EMA Management Inc.
- Emanate Health Foothill Presbyterian Hospital
- Emanate Health Inter-Community Hospital
- Emanate Health Queen of the Valley Hospital
- Emanuel Medical Center
- Emanuel Medical Center
- Embassy Suites by Hilton Baltimore Hunt Valley
- Embassy Suites by Hilton Charleston Airport Hotel and Convention Center
- Embassy Suites by Hilton Chicago Downtown
- Embassy Suites by Hilton Columbia Greystone
- Embassy Suites by Hilton Des Moines Downtown