Boson Software, LLC
- Offer instructor led courses for CCNA, CCNP, CCSP, CCIE and CEH certifications. Training centre in Tampa, Florida.
- http://www.boson.com/

IP Expert
- Offers training material and boot camps for the CCIE lab exams.
- http://www.ipexpert.com

Cisco Certification in Houston
- The CCNA program is designed to prepare the professionals to identify, design and recommend the best Cisco solutions for small to medium-sized business.
- http://www.epsolon.com/ccna.asp

Cisco exam notes
- A good collection of exam notes for many Cisco exams in PDF, HTML or printable format. A membership is required to download material.
- http://www.examnotes.net/CISCO-certification.html

Soundtraining.net
- Cisco router fundamentals: An intensive, 2-day, hands-on training program for network administrators and network engineers. Located in Washington, United States.
- http://www.soundtraining.net/

InterNetwork Defense
- Cisco Premier Partner specializing in Security/VPN training and consulting. Locations in Maryland, New Jersey, New York, and headquarters in Pennsylvania, United States.
- http://www.internetworkdefense.com

E-Business Process Solutions
- Classes using authorized Cisco Curriculum and providing hands on labs with today's current equipment. Located in California, United States.
- http://www.e-bps.com/

Ascolta Training Company
- Instructor-led and online internetworking training by a Certified Learning Solutions Partner with Cisco. Locations in the United States.
- http://www.ascolta.com/

Advanced Network Information
- Specializing in Cisco certified voice over data network instructor-led and web-based training services. On-site training in the United States.
- http://ani-training.com