A-Tel Communications
Offering communication phone systems for both large and small businesses. Harwood Heights
Applied Communications Group
Supply, design, and installation of communication cabling systems. Roselle
Connect Technology
Contractor specializing in optical fiber and high-speed copper network cabling for CCTV, Access Control and telephone systems. Elk Grove Village
Dial-A-Tech Communications, Ltd.
Sales and service of business telephone systems in and around the Chicago area. Chicago Ridge
Prime Telecommunications, Inc.
Providing business telephone and voice-data systems to the greater Chicago area.
Technology Solutions Group, Inc.
Provider of voice and data solutions, telephone, voicemail, call center and IP located in Wheaton.
Telcom Innovations Group
Providing voice and data applications. Services Itasca, IL.
Wireline Inc.
Provides telecommunication services to the greater Chicago area. Offerings include phone systems, voice and data cabling, VoIP, and paging.