- Eastern Virginia Medical School
- Eastern Virginia Medical School, Portsmouth Family Medicine
- Eastman Chemical Company
- Easton Inn
- Eastside Medical Center
- Eastwest University
- Eaton Corp
- Eaton Eletrical
- EBSCO Inc.
- EBSCO Media
- EC Power Inc.
- ECELS
- ECHN Manchester Memorial Hospital
- ECHN Rockville General Hospital
- Echo Strategies
- Ecivis
- ECO and Sons, Inc.
- Eco Resources Inc
- Ecology and Environment, Inc.
- Ecology and Environmental, Inc.-NYC, NY
- Econo Lodge
- Econo Lodge, Florence, SC
- ECU Health Beaufort Hospital
- ECU Health Roanoke Chowen Hospital
- Ecumenical Community Outreach-Lenexa United Methodist Church
- Eddy Memory Care at Marjorie Doyle Rockwell Center
- Edelman Healthcare
- Eden Medical Center
- Eden Prairie Schools
- Eden Village Retirement Community
- Edinburg Regional Medical Center
- Edinburg Regional Medical Center - Edinburg Children's Hospital
- Edinger Medical Group
- Edison
- Edison Electric Institute
- Edith Nourse Rogers Memorial Veterans Hospital
- EDS
- EDS
- Educators for Children, Youth and Families Inc. ECYF)
- Educause
- EduTech Ltd.
- Edward Barry and Associates
- Edward Howard and Company
- Edwards Electronic Processing
- Edwards Funeral Home
- Edwards Lifesciences LLC
- Efferson Medical Center
- Effingham Hospital
- EGGP
- Einstein Brothers Bagels - Nationwide