Sterling Interactive Design
- Designer and developer of custom computer-based training (CBT), web-based training (WBT), graphics.
- http://sterlinginteractive.com/

DC Connections
- Wholesale distributor of cabling supplies and network devices. Includes announcements and contact information.
- http://www.dcconnections.com

Open Standards Technologies LLC
- Providing networking products and support.
- http://www.ostllc.com

Cables N Mor
- Computer cables, tools, switches, and networking accessories.
- http://cablesnmor.com/

C-Lutions, Inc.
- Developers of computer based software products for academic course evaluation collection systems, management tools, and phototracking systems. Also software resale. Located in Sterling, Loudoun County, VA.
- http://www.c-lutions.com/