American Telephone
- Authorized Dealer for NEC PBX-Key-IP-Voice Mail systems. Scottsdale
- http://www.americantelephone.com/

Trio Technologies
- Sells, installs and services both traditional and VoIP business telephone systems and related products. Mesa Arizona and surrounding cities.
- http://www.trio-technologies.net/

Ken Wier Telecom
- Provides sales, service, and installation of business telephone and voice mail systems. Phoenix
- http://www.wiertel.com/

Avidity Communications
- Providing a single point of contact for voice and data cabling, system installation, programming, additions and moves. Phoenix
- http://www.aviditycomm.com/

Copper State Communications, Inc.
- Supply business telephone systems and service. Services include new and existing installations, programming and training. Phoenix and Tucson
- http://www.copper-state.com/

Tel-Data West, Inc.
- Sales and service of business telecom and networking solutions along with structured cabling installations. Located in Phoenix.
- http://www.teldatawest.com/