- Designingevents
- Digital Preservation Strategies
- DirectMail.com
- Doctors Community Hospital
- Donate Life Maryland
- Dunes Manor Hotel
- Dynamic Communication
- E and S Cleaning Services
- E. J. Krause and Associates, Inc.
- Earl Beckwith and Associates, Inc.
- Eastern Embroidery Inc.
- Easton Inn
- EduTech Ltd.
- Elder Law, Estate Planning and Estate Administration
- Eldercare America, Inc
- Elsevier
- EMA Management Inc.
- Embassy Suites by Hilton Baltimore Hunt Valley
- Empowering Initiative
- Endiva Software, Inc
- Episcopal Ministries to the Aging Inc.
- Erickson Retirement Communities
- Euclid Technology
- Evercare
- Example Company
- Expo Exchange
- Facility Logix
- FDC Reports, Inc
- Federal Highway Administration Resource Center
- Fenwick Inn
- Fiberglass Specialties
- Firstgroup
- FirstPay
- FOI Services, Inc.
- Forest Resources Association Inc. National Office
- Fort Washington Medical Center
- Foster, Soltoff and Love, LTD
- Fox Television
- Francis J. Collins Funeral Home, Inc.
- Frederick Health
- Frederick Memorial Hospital
- Frostburg Heights Apartments
- Gail Klein Bentley
- Gertrude's
- Gift of Life Foundation, Inc.
- Global Learning Systems
- Good News Enterprises, Inc.
- Goodwill Global Inc., Goodwill Industries International Inc.
- GORE
- Grand Hotel and Spa