Local Business - SIC CODE: 4813 - Telephone Communications, Except Radiotelephone in Chicago, IL
Mcl Media Corp
875 North Michigan Avenue, Chicago, IL 60611
3122650357Axistangent & Technologies
723 West Wrightwood Avenue, Chicago, IL 60614
7733880538Bp Chicago Bovis
1 North Wacker Drive # 870, Chicago, IL 60606
3124070250Xo Communications
233 South Wacker Drive # 3510, Chicago, IL 60606
3123771000Amentech
311 West Washington St, Chicago, IL 60606
7086560289China Telecom
8755 West Higgins Road, Chicago, IL 60631
7736287752Qwest Corporation
20 North Wacker Drive # 656, Chicago, IL 60606
3126309013Level 3
600 West Chicago Avenue, Chicago, IL 60654
3122386700River Time Communications LLC
5936 West Montrose Avenue, Chicago, IL 60634
Versay Solutions LLC
224 North Desplaines St # 400, Chicago, IL 60661
3123827001Shoretel Inc
300 North Elizabeth St # 510, Chicago, IL 60607
6462305000Blackdoctor.org
116 West Illinois St, Chicago, IL 60654
3122221205Granite Telecommunication
5622 West Roosevelt Road, Chicago, IL 60644
7732877752Womens Forum CO Inc
444 North Michigan Avenue # 3550, Chicago, IL 60611
3123961800Snet Communications
3047 North Lincoln Avenue, Chicago, IL 60657
7733211500Cunningham Communications LLC
4052 North Avers Avenue, Chicago, IL 60618
5628641744Ez Links Golf Inc
401 South La Salle St # 500, Chicago, IL 60605
3129136900Qwest Corporation
455 North Cityfront Plaza Drive # 7, Chicago, IL 60611
3127550217Subscriber Base
660 West Wayman St, Chicago, IL 60661
3124419700Twt Marketing Inc
2719 West Lunt Avenue, Chicago, IL 60645
7732744470At&T Services Inc
225 West Randolph St Floor 1, Chicago, IL 60606
3127955425Tech Service Highpoint
2429 North California Avenue, Chicago, IL 60647
7732354421At&T Services Inc
425 West Randolph St Floor 8, Chicago, IL 60606
3129062720Spectracorp Technologies Group Inc
655 West Irving Park Road # 5114, Chicago, IL 60613
7733888004At&T Corp
2011 West Hastings St, Chicago, IL 60608
3124323760Quikcom
12305 South Halsted St, Chicago, IL 60628
Cgb Communications
440 North Mcclurg Court, Chicago, IL 60611
3125272886Fast Servers
427 South La Salle St, Chicago, IL 60605
3123601120Vinakom Inc
600 South Federal St, Chicago, IL 60605
5087528158Interclick Ad Network Inc
3809 North Clark St, Chicago, IL 60613
6467226260United States Cellular Corporation
2820 West Armitage Avenue, Chicago, IL 60647
7732784011Sportsline.com
630 North Mcclurg Court, Chicago, IL 60611
3129517452Hostway Corp
100 North Riverside Plaza # 800, Chicago, IL 60606
3122380125Personal Telephone Communnication
3105 North Milwaukee Avenue, Chicago, IL 60618
Internet City
1710 West 48th St, Chicago, IL 60609
7738231064American Wireless Broadband
226 West Ontario St # 500b, Chicago, IL 60654
3129519600Uscoc Of Texahoma Inc
8410 West Bryn Mawr Avenue # 700, Chicago, IL 60631
7733998912Staffing Now
125 South Wacker Drive, Chicago, IL 60606
3122147135Rolm III
150 North Michigan Avenue, Chicago, IL 60601
3123327656Global Internet Service Inc
2800 North Lake Shore Drive Apartment 3306, Chicago, IL 60657
3129335859Digitalwork Inc
661 West Lake St # 2n, Chicago, IL 60661
3122774350Telephone Coordinating Council Tcc 7
600 West Washington Boulevard, Chicago, IL 60661
3124744197Metromedia Fiber Network Service
333 West Wacker Drive, Chicago, IL 60606
3126045100Asian Phone Card Co
2143 St China Place # B, Chicago, IL 60616
3122257300At&T Teleholdings Inc
3600 West Montrose Avenue, Chicago, IL 60618
7735092502Lee Philip Stral
458 West Briar Place, Chicago, IL 60657
7739295407Verio
427 South La Salle St # 275, Chicago, IL 60605
3129945490Telecom Management Systems
401 South La Salle St, Chicago, IL 60605
3127865900Centel Corporation
8725 West Higgins Road # 310, Chicago, IL 60631
United States Cellular Corporation
9920 South Western Avenue, Chicago, IL 60643
7083863670Verizon Communications Inc
27117 Network Place, Chicago, IL 60673
Century Link
350 East Cermak Road, Chicago, IL 60616
3129490177Digital Interplay
1055 West Bryn Mawr Avenue # F, Chicago, IL 60660
7737439843Level 3 Communications
600 West Chicago Avenue # 325, Chicago, IL 60654
3126416008Sbc Global Services Inc
225 West Randolph St Room 15d, Chicago, IL 60606
2484235207Rcn Telecom Services LLC
2650 West Bradley Place, Chicago, IL 60618
Ameritech Media Ventures Inc
30 South Wacker Drive, Chicago, IL 60606
Telephone Information
6818 West Belmont Avenue, Chicago, IL 60634
7737777775Quick Connect
3362 West Chicago Avenue, Chicago, IL 60651
Web 312
2850 North Pulaski Road, Chicago, IL 60641
7733487244Morris Anthony
515 East 60th St, Chicago, IL 60637
7736758290Di Maggio Telecom Service
6010 North Northwest Highway, Chicago, IL 60631
7737759903Douglas Fava
3350 North Kedzie Avenue, Chicago, IL 60618
8455683354Light Year Moving My Wireless Rep Com
1502 East 69th Place, Chicago, IL 60637
7737269940M S Datastep Inc
2111 West Churchill St, Chicago, IL 60647
7732762810Aol Interactive Marketing
875 North Michigan Avenue # 2700, Chicago, IL 60611
3124164000Verizon Business Network Services Inc
205 North Michigan Avenue # 2600, Chicago, IL 60601
At&T Corp
205 North Michigan Avenue Floor 15, Chicago, IL 60601
3128198672Hot Telecom Chicago
4750 North Kedzie Avenue, Chicago, IL 60625
7739618307Ameritech C T Acquisition Corporation
30 South Wacker Drive, Chicago, IL 60606
Chicago Center For Integration
4700 North Ravenswood Avenue, Chicago, IL 60640
7737547441Diego R Hohepnoguera
4240 North Clarendon Avenue, Chicago, IL 60613
7738051404Jaske
Po Box 59823, Chicago, IL 60659
7734789877Serv Enterprise Computing
2415 West Palmer St, Chicago, IL 60647
7736616999Xo Communications LLC
1401 West Wabansia Avenue, Chicago, IL 60642
3129610043A B C Choice 18
9510 South Halsted St, Chicago, IL 60628
7732393900At&T Corp
225 West Randolph St Floor 1, Chicago, IL 60606
3127279411Adv Telecommunications
1340 West Monroe St, Chicago, IL 60607
3122268704Telecontinuity Inc
140 South Dearborn St, Chicago, IL 60603
9075631610Rhs Telecom
744 North Wells St, Chicago, IL 60654
3126987020Ixc Communications
731 South Plymouth Court, Chicago, IL 60605
3129861715Pm Tpay Telephone
5933 West North Avenue, Chicago, IL 60639
2814191286Futobi
2023 North California Avenue Apartment B2, Chicago, IL 60647
7739047029Tw Telecom Inc
111 North Canal St, Chicago, IL 60606
3127750182Verizon Business Global LLC
175 West Jackson Boulevard, Chicago, IL 60604
3126630030Broadwing Corporation
200 North Lasalle St # 1100, Chicago, IL 60601
3128958400Medical Communication Management Inc
401 East Illinois St, Chicago, IL 60611
3128364240Brim Enterprise Inc
1248 South Christiana Avenue, Chicago, IL 60623
7732770816Internet Streaming Corp
601 South La Salle St # 701, Chicago, IL 60605
3123410400Verizon Communications Inc
8750 West Bryn Mawr Avenue # 500, Chicago, IL 60631
7733994436U Unet
8755 West Higgins Road, Chicago, IL 60631
7736931719Telecom Auditors & Assessors Of Illinois
155 North Michigan Avenue, Chicago, IL 60601
8148389317Diversified Telecommunications
1006 South Michigan Avenue # 602, Chicago, IL 60605
3123629600Apache Motel
5535 North Lincoln Avenue, Chicago, IL 60625
7737289400Century Link
1 North Franklin St # 2600, Chicago, IL 60606
3122511235Ameritech International China L L C
225 West Randolph St Floor 20, Chicago, IL 60606
7084588460Tlcontact Inc
3047 North Lincoln Avenue # 210, Chicago, IL 60657
77334807204 Sight Communications
1700 West Irving Park Road # 103, Chicago, IL 60613
7733882399Chicago Train CO
3935 West Irving Park Road, Chicago, IL 60618
7739294152Verizon Business Global LLC
146 South Dearborn St, Chicago, IL 60603
At&T Teleholdings Inc
30 South Wacker Drive Floor 34, Chicago, IL 60606
8002570902Iroute Inc
701 West Buena Avenue Apartment 1, Chicago, IL 60613
7735255191Global Crossing Telecommunications Inc
101 North Wacker Drive # 230, Chicago, IL 60606
3126416008N-All-Connections
913 West 59th St, Chicago, IL 60621
7738920703Globalcom Holdings Inc
200 East Randolph St # 5135, Chicago, IL 60601
3128958818Innovative Government Telecom
125 South Wacker Drive # 2510, Chicago, IL 60606
3122120823Telelink Card Inc
5503 North Clark St, Chicago, IL 60640
Punto.com
3147 West Lawrence Avenue, Chicago, IL 60625
7735649960Parkwhiz.com
2243 West Belmont Avenue, Chicago, IL 60618
7738570083Buena Telecom Inc
3716 West Lawrence Avenue # 1, Chicago, IL 60625
7736541639Ameritech Communications Of Illinois Inc
30 South Wacker Drive, Chicago, IL 60606
Action Conference Call
8420 West Bryn Mawr Avenue # 400, Chicago, IL 60631
7733990792Ameritech Belgium Assets L L C
30 South Wacker Drive, Chicago, IL 60606
Showingtime.com
35 East Wacker Drive, Chicago, IL 60601
3122229780Mci World Co
1340 West Monroe St, Chicago, IL 60607
3122436107Clientserver Internetwork
5908 South Talman Avenue, Chicago, IL 60629
7736004201Tds Hms LLC
30 North La Salle St # 4000, Chicago, IL 60602
3126301900Windstream Corporation
30 South Wacker Drive # 2800, Chicago, IL 60606
3129249300Ameritech Managed Services Inc
30 South Wacker Drive, Chicago, IL 60606
2053445950Callone
2327 West 19th St, Chicago, IL 60608
3122438598Thoughtport Authority
2246 West North Avenue, Chicago, IL 60647
7733949300Palmen & Assoc
1322 South Prairie Avenue, Chicago, IL 60605
3129453300Mci Hoffman Laroche Ver V
8745 West Higgins Road # 400, Chicago, IL 60631
7736931500M Fs Intelenet
4924 Forest Avenue, Chicago, IL 60602
3125800170Eib Communication
10612 South Edbrooke Avenue, Chicago, IL 60628
7733980273Here's To Your Health Inc
155 North Harbor Drive Lower 2, Chicago, IL 60601
3129383600Make It Happen Telecommunication Service
418 South Laramie Avenue, Chicago, IL 60644
7733839996Strictly Communications LLC
1515 North Cleveland Avenue, Chicago, IL 60610
3122421025Ameritech Denmark Inc
30 South Wacker Drive, Chicago, IL 60606
Internet Development CO Global
111 North Canal St, Chicago, IL 60606
3126697547Rcn Telecom Services Of Illinois LLC
350 North Orleans St # 600, Chicago, IL 60654
3057701341Options Xpress Inc
311 West Monroe St # 1000, Chicago, IL 60606
3126303300North Shore Communications
3055 West Palmer Boulevard # 2, Chicago, IL 60647
7732526102Payphone Illinois
4918 West Madison St, Chicago, IL 60644
Outdoor Network
3921 North Claremont Avenue, Chicago, IL 60618
7735394775Ameritech Information Systems (Canada) Inc
30 South Wacker Drive, Chicago, IL 60606
Compulex Inc
5116 West Ainslie St, Chicago, IL 60630
7735459991Mci Sca Billingsears St5s17
205 North Michigan Avenue, Chicago, IL 60601
Idea Momentum Inc
344 North Ogden Avenue # 2b, Chicago, IL 60607
3122650678Screenz
2717 North Clark St, Chicago, IL 60614
7739047987Inium Inc
5448 North Glenwood Avenue, Chicago, IL 60640
3129253073Sbc Global Services Inc
225 West Randolph St Room 15d, Chicago, IL 60606
American Telephone-Technology
27 North Wacker Drive, Chicago, IL 60606
7087574401Sbc Global Services Inc
225 West Randolph St Room 15d, Chicago, IL 60606
3123643127Call One Inc
225 West Wacker Drive Floor 8, Chicago, IL 60606
3126818300Hosting Services International
900 North Franklin St # 300, Chicago, IL 60610
3126402980Airdis
7601 South Kostner Avenue, Chicago, IL 60652
7709427447T Mobile
1184 North Milwaukee Avenue, Chicago, IL 60642
7732785400Ronnies Incorporated
5718 West Fullerton Avenue, Chicago, IL 60639
3014860901Iq Telecom Home Phone Services
12301 South Halsted St, Chicago, IL 60628
7735685758Nerdery Interactive Labs
316 North Elizabeth St, Chicago, IL 60607
3122261211Mci Plumbing & Backflow Inc
3351 West 112th Place, Chicago, IL 60655
7732380500P MT Pay Telephone
2803 West Chicago Avenue, Chicago, IL 60622
7738627339Silver Key
850 North State St Unit 16e, Chicago, IL 60610
3129517525Air 1 Communication
2824 East 79th St, Chicago, IL 60649
7737344950Peerless Network Of Colorado LLC
222 South Riverside Plaza # 2730, Chicago, IL 60606
3125060920Ameritech Payphone Services Of Michigan Inc
225 West Randolph St, Chicago, IL 60606
7084588460Broadcast Comcast Sports
333 West 35th St, Chicago, IL 60616
7733736031Chicago Switch LLC
875 North Michigan Avenue, Chicago, IL 60611
3126401850American Tower Corp
520 North Michigan Avenue, Chicago, IL 60611
3124671262At&T Corp
230 West 77th St, Chicago, IL 60620
7707237456T Mobile
2900 North Broadway St, Chicago, IL 60657
Forest City Enterprises
980 North Michigan Avenue, Chicago, IL 60611
3122144944Born Capital
191 North Wacker Drive # 2075, Chicago, IL 60606
3129770123Master Telecom Corp
5100 South Kedzie Avenue, Chicago, IL 60632
7734349289Inventables
600 West Van Buren St # 602, Chicago, IL 60607
3126400660Ameritech Management Services Company L L C
30 South Wacker Drive, Chicago, IL 60606
Ameritech Illinois
2300 West 63rd St, Chicago, IL 60636
7734347265In Xpo Inc
770 North Halsted St, Chicago, IL 60642
3129623724Verizon Business
130 East Randolph St # 200, Chicago, IL 60601
3128194200D P M D Internet Website
10431 South Green St, Chicago, IL 60643
7732383014Bnn Communication Inc
1400 North Western Avenue, Chicago, IL 60622
7733423317Awhi Resources L L C
30 South Wacker Drive, Chicago, IL 60606
8002570902Verizon Business Global LLC
300 South Riverside Plaza # 1060, Chicago, IL 60606
3124666900Usa Telecom Inc
28 East Jackson Boulevard Floor 10, Chicago, IL 60604
Ameritech
413 West 105th St, Chicago, IL 60628
Norc
1 North State St, Chicago, IL 60602
3127592395Paetec Communications Inc
427 South Lasalle St, Chicago, IL 60605
8005931177Edventions
566 West Adams St, Chicago, IL 60661
8476766564U S Cellular
1611 North Sheffield Avenue, Chicago, IL 60614
Patriot International Ltd
636 West Schubert Avenue A, Chicago, IL 60614
3123714574At&T Corp
520 South Federal St, Chicago, IL 60605
3129355370Ameritech International Denmark Corporation
225 West Randolph St Floor 1, Chicago, IL 60606
7084588460Investorproductions.com
311 South Wacker Drive, Chicago, IL 60606
3126974768Ameritech Communications Inc
425 West Randolph St, Chicago, IL 60606
3126692000Ttc Marketing Solutions
3945 North Neenah Avenue, Chicago, IL 60634
7735450407Level 3 Communications
350 East Cermak Road, Chicago, IL 60616
3127910985Khw Phone Card Discount
3218 West 55th St, Chicago, IL 60632
7734712410Wave 2 Wave Communications
10 South Riverside Plaza # 1800, Chicago, IL 60606
3126481721Liquid Impressions Inc
2850 North Seminary Avenue, Chicago, IL 60657
7735292112Focal Communications
200 North La Salle St # 1000, Chicago, IL 60601
3125788400D Ls Internet
216 West Jackson Boulevard, Chicago, IL 60606
3123329000Granite Telecommunication
4625 South Pulaski Road, Chicago, IL 60632
6033661070Allinternetnow
770 North La Salle Drive # 800, Chicago, IL 60654
3123359495World Telecom Corp
6250 North Kenmore Avenue Apartment 308, Chicago, IL 60660
7734302075Com Score
233 South Wacker Drive # 3400, Chicago, IL 60606
3127756470Fina Telecommunications
350 North Orleans St, Chicago, IL 60654
3126611310Fdcservers.net
141 West Jackson Boulevard, Chicago, IL 60604
3129139302Sbc Global Services Inc
225 West Randolph St Room 15d, Chicago, IL 60606
3123643127Chokmah.com
1042 West Monroe St, Chicago, IL 60607
3124963245Ameritech New Zealand Investments Inc
30 South Wacker Drive, Chicago, IL 60606
Edge Network Innovation Inc
2012 North Howe St, Chicago, IL 60614
7738466036Tw Telecom Inc
600 South Federal St # 300, Chicago, IL 60605
Xo Communications LLC
1300 South Kostner Avenue, Chicago, IL 60623
2099435190Mfs Intelenet
100 North La Salle St, Chicago, IL 60602
3126633542Ameritech Long Distance Inc
225 West Randolph St Floor Ll, Chicago, IL 60606
3126965577Diamond Technologies Inc
8700 West Bryn Mawr Avenue, Chicago, IL 60631
7736310546Cellco Partnership
325 West Chicago Avenue, Chicago, IL 60654
3128781240Covad
3949 North Leclaire Avenue, Chicago, IL 60641
Tilted Planet Ltd
68 East Wacker Place, Chicago, IL 60601
3125510100Tbd
6237 South Union Avenue, Chicago, IL 60621
7739666692Dominican Communications Corp
4072 West 26th St, Chicago, IL 60623
9287180008Spot For Phones
1341 West Morse Avenue, Chicago, IL 60626
7737610921W Communications
2450 West Devon Avenue, Chicago, IL 60659
2125844501Rhs Telecom
750 North Orleans St, Chicago, IL 60654
3126987020Jna Seattle Inc
8770 West Bryn Mawr Avenue, Chicago, IL 60631
7738678161Teters Kolawole Olacoye
7454 North Oakley Avenue, Chicago, IL 60645
7738650460Orange Bussiness Services
150 South Wacker Drive # 720, Chicago, IL 60606
3123682600Orange Business Services U S Inc
601 West Polk St, Chicago, IL 60607
3123609422My Best Call Inc
6272 North Cicero Avenue, Chicago, IL 60646
Verizon Business
205 North Michigan Avenue # 700, Chicago, IL 60601
3124702121P T Wins
9542 South Green St, Chicago, IL 60643
Cenx
427 South La Salle St, Chicago, IL 60605
3125660059Raza Communication Inc
5219 North Harlem Avenue, Chicago, IL 60656
8774634233Qwest Corporation
1 North Franklin St # 2600, Chicago, IL 60606
3122511235Xsite Internet Access
200 East Randolph St, Chicago, IL 60601
3128035470Verizon Business Global LLC
8750 West Bryn Mawr Avenue # 500, Chicago, IL 60631
7733991700Foscett's Communications-Alarm
1842 East 79th St, Chicago, IL 60649
7733743700Vanco Us LLC
200 South Wacker Drive # 1600, Chicago, IL 60606
3127627900Personal Telephone Comm
5480 North Northwest Highway, Chicago, IL 60630
9049105960Chicago Telecom International
4825 North Western Avenue, Chicago, IL 60625
77398963784 Low Tel
5053 North Lowell Avenue, Chicago, IL 60630
7732863638Star Telecommunications Inc
1122 North Clark St Office, Chicago, IL 60610
3122176747Level 3 Communications
900 North Kingsbury St, Chicago, IL 60610
3123290864Sbc Global Services Inc
225 West Randolph St Room 15d, Chicago, IL 60606
Leap Behavioral Consulting LLC
1910 South State St, Chicago, IL 60616
7737914135Agns Telecommunications CO
330 North Wabash Avenue, Chicago, IL 60611
3124670695Monitor Group
1 Ibm Plaza, Chicago, IL 60611
3123290047Avery Patria
2300 West 63rd St, Chicago, IL 60636
7734347265Ameritech Denmark Holdings L L C
30 South Wacker Drive, Chicago, IL 60606
Eziaz Inc
550 West Van Buren St, Chicago, IL 60607
3123777600Global-Chicago
230 East Cermak Road, Chicago, IL 60616
3129293852Steelberg Caroline E
111 North Wabash Avenue, Chicago, IL 60602
3124441133Cafe Internet Latino
4101 West Armitage Avenue, Chicago, IL 60639
7734865444Media 1 Inc
3057 North Rockwell St, Chicago, IL 60618
7734781714Host General
233 South Wacker Drive, Chicago, IL 60606
7732702770Sbc Global Services Inc
225 West Randolph St Room 15d, Chicago, IL 60606
2484235207Chicago Interflash
2545 West Peterson Avenue, Chicago, IL 60659
7739890442Hitech USA Inc
5237 North Kedzie Avenue, Chicago, IL 60625
7732799999Advance International Phone
4321 North Knox Avenue, Chicago, IL 60641
3129428600