Applied Communications Group
- Supply, design, and installation of communication cabling systems. Roselle
- http://getacg.com/

Wiilcom
- Sales and service on business telephone systems. Gurnee
- http://www.wiilcom.com/

Dial-A-Tech Communications, Ltd.
- Sales and service of business telephone systems in and around the Chicago area. Chicago Ridge
- http://www.dial-a-tech.50megs.com/

Wireline Inc.
- Provides telecommunication services to the greater Chicago area. Offerings include phone systems, voice and data cabling, VoIP, and paging.
- http://www.wirelineinc.com/

D & S Communications
- Communication systems and service for the secondary market. Elgin
- http://www.dscomm.com/

Prime Telecommunications, Inc.
- Providing business telephone and voice-data systems to the greater Chicago area.
- http://www.primetelecommunications.com/

Technology Solutions Group, Inc.
- Provider of voice and data solutions, telephone, voicemail, call center and IP located in Wheaton.
- http://www.4tsg.com/

Ablejack, Inc.
- Installs phone jacks in houses, condos, apartments and offices. Serving all major metropolitan areas in the U.S. and Canada. Includes pricing and service area list. Palatine
- http://www.ablejack.com/

Commercial Telephone Systems
- Sales and service of Telephone systems, serving a 100 mile radius from the St. Louis Arch. Granite City
- http://www.ctsphone.com/

Tele-Movers
- Buy and sell and install new, used, refurbished business telephone equipment.
- http://www.tele-movers.com/

Alumni Technology Services
- Supply and install Vodavi products, including XTS, STS, DHS and all starplus models. Indianapolis
- http://www.alumnitechnology.com/

A-Tel Communications
- Offering communication phone systems for both large and small businesses. Harwood Heights
- http://www.a-telcom.com/

Connect Technology
- Contractor specializing in optical fiber and high-speed copper network cabling for CCTV, Access Control and telephone systems. Elk Grove Village
- http://www.connect-technology.com/

Telephonz.com
- Retailer of telephone equipment for home, home office, and businesses in the Chicago area.
- http://www.telephonz.com/

The Listen Company
- A client focused, total solutions communications company serving the Chicago area.
- http://www.listeninc.net/

Telcom Innovations Group
- Providing voice and data applications. Services Itasca, IL.
- http://www.telcominnovations.com/

Datatel
- Lucent legend, small PBX /key system. Category 3&5 voice and data cabling in the Chicago area.
- http://www.datatel-inc.com/