Illinois Telecommunications Companies

707 companies headquartered in Illinois

Company Name	DBA	Type	City	Status
SteadyLink, LLC	-	Interconnected VoIP	Evanston	Inactive
Steiner Electric Co	-	CAP/CLEC	Elk Grove Village	Active
Stelle Tel. Co.	Stelle Telephone Company	Incumbent LEC	Stelle	Active
Stratus Networks, Inc.	Stratus Networks, Inc. fka ACCESS2GO, Inc.	Toll Reseller	Peoria	Active
SundogIT, Inc.	-	Interconnected VoIP	DeKalb	Active
Suntalk LLC	-	SMR (dispatch)	PLAINFIELD	Active
SureWest Kansas, Inc.	-	CAP/CLEC	Mattoon	Inactive
SureWest Long Distance	-	Toll Reseller	Mattoon	Inactive
Surewest Televideo	-	CAP/CLEC	Mattoon	Inactive
Swetland Internet, Inc.	Swetland Communications	CAP/CLEC	Vandalia	Inactive
Syndeo Netowrks, Inc.	Syndeo Netowrk	CAP/CLEC	St Charles	Active
Systems Development Integration, LLC.	-	Wireless Data	Chicago	Inactive
T-Systems North America, Inc.	-	Interexchange Carrier	DOWNERS GROVE	Active
TELEPHONEYACHT, LLC	-	Interconnected VoIP	CHICAGO	Active
TMP Corp.	Simmetry Communications, Inc.	Cellular/PCS/SMR	Golden	Inactive
TONCOM, Inc.	-	Toll Reseller	Tonica	Active
Taconic Technology Corp.	-	Other Local	Mattoon	Active
Taconic Tel. Corp.	Taconic Telephone Corp.	Incumbent LEC	Mattoon	Active
Taconic TelCom Corp.	-	Toll Reseller	Mattoon	Active
Talkroute Inc	-	Toll Reseller	Tinley Park	Inactive
TallGrass Communications, Inc.	-	Other Toll	Oakbrook Terrace	Inactive
Tel-Star Cablevision, Inc.	-	Interconnected VoIP	Metamora	Active
TeleCourier Communications Corp.	Tower Cellular	Paging & Messaging	Bloomington	Active
Telecard, Inc.	-	Toll Reseller	Chicago	Active
Telecom Direct, LLC	Telpower1	Non-interconnected VoIP	O Fallon	Active
Telephone Operating Company of Vermont, LLC.	-	Incumbent LEC	Mattoon	Active
Teletech Communications Inc.	-	Interconnected VoIP	Itasca	Active
Teletech VOIP LLC	-	Interconnected VoIP	Itasca	Active
Telnyx, LLC.	-	Non-interconnected VoIP	Chicago	Active
Tennessee RSA No. 3 Limited Partnership	U.S. Cellular	Cellular/PCS/SMR	Chicago	Active
Texahoma Cellular Limited Partnership	U.S. Cellular	Cellular/PCS/SMR	Chicago	Active
Texas #20 Rural Cellular, Inc.	United States Cellular	Cellular/PCS/SMR	Chicago	Inactive
The Marseilles Telephone Company of Marseilles Ill	Marseilles Telephone Company	Incumbent LEC	Metamora	Active
Think 12 Corporation	HELLO DEPOT	Local Reseller	Itasca	Inactive
Time Business Systems, Inc.	-	Interconnected VoIP	Roselle	Active
Todays Conferencing Inc	-	Audio Bridge Service	Arlington Heights	Active
Toni M. Tolley	Payphones of America North	Payphone Service Provider	Springfield	Inactive
Tonica Tel. Co.	Tonica Telephone Company	Incumbent LEC	Tonica	Active
Transcend Multimedia, LLC	-	Private Service Provider	Chicago	Inactive
Tri City 220 SMR	-	SMR (dispatch)	Chicago	Inactive
Tri Rural Independent Operations, Inc.	-	Toll Reseller	Viola	Active
Tri-Com, LLC	Geneseo, Cambridge & Henry County Long Distance	Toll Reseller	Geneseo	Active
Tri-Points Communications, Inc.	JabberTalk, Inc.	Prepaid Card	Evanston	Inactive
Tri-Star Communications, Inc.	-	SMR (dispatch)	Sycamore	Active
TruComm Corporation	-	CAP/CLEC	Rolling Meadows	Active
Trumpet Communications, LLC.	-	Wireless Data	Riverside	Inactive
Two Rivers Conferencing	Two Rivers Conferencing, LLC	Private Service Provider	Elk Grove Village	Active
UI Long Distance, Inc.	Fairpoint Communications, Inc.	Toll Reseller	Mattoon	Active
USBG, Inc.	USBG, Inc./ US Buying Group, Inc.	Toll Reseller	Alsip	Inactive
USCOC Nebraska/Kansas, LLC	U.S. Cellular	Cellular/PCS/SMR	Chicago	Active

Showing 551 to 600 of 707 companies

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