Illinois Telecommunications Companies

707 companies headquartered in Illinois

Company Name	DBA	Type	City	Status
IQ Telecom, Inc.	-	Interexchange Carrier	Blue Island	Inactive
ISASO, LLC	-	Interconnected VoIP	Buffalo Grove	Inactive
ISI Telemanagement Sourcing, LLC.	-	Other Toll	Schaumburg	Active
IT In Motion, Inc	-	Other Local	Schaumburg	Inactive
IT SATISFY LLC	ITS PBX	Private Service Provider	Oak Park	Active
IdeaOne Telecom, Inc.	Enventis	CAP/CLEC	Mattoon	Inactive
Illinois Bell Telephone Company	AT&T Illinois	Incumbent LEC	Chicago	Active
Illinois Cooperative Association, Inc.	Clear Talk	SMR (dispatch)	Paris	Active
Illinois Electric Cooperative	-	Interconnected VoIP	Winchester	Active
Illinois Fiber Connect LLC	-	Interconnected VoIP	Louisville	Active
Illinois Fiber Resources Group, NFP	IFiber	Other Local	Sycamore	Inactive
Illinois IntraNetwork, Inc.	-	Toll Reseller	Naperville	Inactive
Illinois Payphone Systems, Inc.	-	Payphone Service Provider	Hickory Hills	Active
Illinois Public Telephone, Inc.	-	Payphone Service Provider	Chicago	Active
Illinois RSA #3, Inc.	United States Cellular	Cellular/PCS/SMR	Chicago	Inactive
Illinois Signal Communications, Inc.	-	Paging & Messaging	Quincy	Active
Illinois Telephone Corporation	-	CAP/CLEC	Hillside	Active
Illinois Valley Cellular RSA 2, Inc.	-	Cellular/PCS/SMR	Marseilles	Active
Illinois Valley Cellular RSA 2-111 Partnership	Illinois Valley Cellular	Cellular/PCS/SMR	Marseilles	Inactive
Illinois Valley Cellular RSA 2-I, Inc.	Illinois Valley Cellular RSA 2-I Partnership	Cellular/PCS/SMR	Marseilles	Active
Illinois Valley Cellular RSA 2-II Partnership	-	Cellular/PCS/SMR	Marseilles	Active
Illinois World Trade Center Association	Illinois World Trade	-	McHenry	Inactive
Indian Hills Wireless, Inc.	-	Cellular/PCS/SMR	Burr Ridge	Inactive
Indiana RSA No. 4 Limited Partnership	U.S. Cellular	Cellular/PCS/SMR	Chicago	Active
Indiana RSA No. 5 Limited Partnership	U.S. Cellular	Cellular/PCS/SMR	Chicago	Active
Indy Mobilecom, Inc.	-	SMR (dispatch)	Bourbonnais	Inactive
Innosys Computing, Inc.	Innosys Commmunications, Inc.	Toll Reseller	Oak Brook	Inactive
Innovative Businesses & Services, Inc.	-	Payphone Service Provider	Glendale Heights	Inactive
Innovative Telephone and Data Solutions, LLC	-	Interconnected VoIP	Batavia	Active
Integrated Technology Providers, Inc.	-	Private Service Provider	Bolingbrook	Active
Integrated Technology Solutions	Integrated Technology Soluitons	Private Service Provider	Collinsville	Active
Intelcom, Inc.	-	Payphone Service Provider	Roselle	Active
Inteliquent, Inc.	-	CAP/CLEC	Chicago	Active
Interactive Services, Inc.	-	Toll Reseller	Willowbrook	Inactive
Iowa #13, Inc.	U.S. Cellular	Cellular/PCS/SMR	Chicago	Inactive
Iowa RSA #12, Inc.	United States Cellular	Cellular/PCS/SMR	Chicago	Active
Iowa RSA #9, Inc.	United States Cellular	Cellular/PCS/SMR	Chicago	Active
Iportalis, Inc.	-	Audio Bridge Service	Highland Park	Active
J. B. Tel., Inc.	J. B. Tel. Co.	Payphone Service Provider	Lincolnwood	Inactive
J.A. Watts, Inc	-	Other Local	Chicago	Inactive
J.D. Barry Ent., Inc.	Pager One	Paging & Messaging	Wheaton	Inactive
JAX USA, Inc.	-	SMR (dispatch)	Bourbonnais	Inactive
JKC Coin Communications, Inc.	-	Payphone Service Provider	Melrose Park	Inactive
Jacksonville Cellular Telephone Company	U.S. Cellular	Cellular/PCS/SMR	Chicago	Active
Janesville Cellular Telephone Company, Inc.	United States Cellular	Cellular/PCS/SMR	Chicago	Inactive
Jarrett Communications	-	Payphone Service Provider	St. Charles	Inactive
Jay Hackney	Galaxy Payphone Systems	Payphone Service Provider	Tinley Park	Inactive
Jeff Howe IT Consultancy	Arqnetworks	Interconnected VoIP	Lincolnshire	Inactive
Jep Communications LLC	Jep Communications	Interconnected VoIP	Naperville	Active
JirehCom, Inc.	-	Toll Reseller	East Peoria	Inactive

Showing 301 to 350 of 707 companies

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