- American College of Veterinary Surgeons
 - Bethesda - Includes information about veterinarians who are board certified in surgery. - American Association for Adult and Continuing Education (AAACE)
- Dedicated to the belief that lifelong learning contributes to human fulfillment and positive social change.
- Equissage
- Round Hill - Equine and canine massage certification offered by a national and international school.
- American School of Equine Dentistry, The
- Brunswick - A four-week course that prepares a student for entry into a full or part time career as an equine dental technician.
- Literacy Volunteers of America
- Columbia School of Broadcasting
- Baileys Crossroads - Teaches radio and television announcing and broadcasting techniques.
- Valley College of Technology
- Martinsburg - Offering courses and distance learning in computer applications, small business, human resources, sales and marketing, accounting, and business law.
- Americare Career Institute
- Wheaton - Provides training for employment as medical assistant or IT and Networking professionals.
- Strayer University Continuing Education
- Offering continuing education in Washington D.C., Maryland, and Virginia for working adults, through the online or on-college campus. Earn Bachelor's, Master's, or Associate degrees.
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