C3-Wireless
www.C3-Wireless.com
The parent site of CWNPZone.  C3-Wireless is a premier CWNP learning center, member of the CWNE roundtable, and developer of the official CWNP practice exams.  C3-Wireless provides site surveys, security and troubleshooting for mission-critical systems.

The CWNP Program
www.cwnp.com
Official website of the CWNP program.  Developed by Planet3 wireless, the CWNP program is the leading vendor-neutral wireless certification program.

Vlogic, Inc.
www.vlogic.org
Rick Murphy, CWNE #10 is the developer of the authorized CWNP courseware used in all official CWNP instructor-led classes.  He offers online CWNP classes using virtual labs.

AirSpy Networks
www.airspy.com
David Coleman , CWNE #4, aka Mister Multipath, has extensive CWNP training experience and is the co-author of the authorized CWNA study guide by Sybex and provides a CWNP training class focused on VoWLAN.

Atlanta Cisco Study Group
http://www.internetworkexperts.net
Joel Barrett, CWNE #6, in addition to being a Communications Architect for Cisco Systems, also runs the Atlanta Cisco Study Group.  The most visited area of the ACSG site is the Recommended Books section (http://www.internetworkexperts.net/recommendedbooks.htm). Here you'll find Amazon links to technical books segmented by industry certifications the CWNP Program's CWNA, CWSP, and CWNE. It's a great one-stop reference and is constantly updated as new books are released.

AirMagnet, Inc.
www.AirMagnet.com
AirMagnet, Inc. is the world leader in wireless network assurance. The company's wireless LAN monitoring and analysis products—available in handheld, laptop and enterprise configurations—are designed to provide an integrated set of solutions to plan, set up, secure and manage wireless networks.