- Design Communication
5903 West Ivybridge Place, Peoria, IL, 61615(309) 691-3000
- Benchmark Communications
Chicago, Naperville, IL, 60563(312) 559-1544
- Gatch Lake Community Phone
RR 1, Shobonier, IL, 62885(618) 846-8405
- United Network Systems
2021 Midwest Road Suite LL6, Oak Brook, IL, 60523(630) 279-2400
- Chicago Wireless Inc
1450 Hillcrest Avenue, Hanover Park, IL, 60133(630) 540-9430
- Illinois Audio Productions
3906 Turner Avenue, Plano, IL, 60545(630) 552-9600
- E Z On Wireless
1661 North State Route 59, Naperville, IL, 60563(630) 355-5077
- TN Solutions Inc
2425 Curtiss Street, Downers Grove, IL, 60515(630) 829-5880
- Avaya Inc
20 North Wacker Drive Suite 2600, Chicago, IL, 60606(312) 252-0898
- Preferred Communications
15412 South 70th Court, Orland Park, IL, 60462(708) 535-8200
- Illinois Telephone Corporation
50 East North Avenue, Northlake, IL, 60164(708) 531-0250
- WireSpeed Telecommunications - Illinois
Rockford, IL, 61101(815) 209-9061
- Carroll Communications
260 West Lynn Drive Unit 2, Palatine, IL, 60067(847) 358-9397
- Phone Outlet
20446 Rand Road, Kildeer, IL, 60074(847) 550-1218
- Talk America
Joliet, IL, 60435(815) 727-4570
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- Ampol Inc
864 North Ashland Avenue, Chicago, IL, 60622(312) 421-0624
- Paetec Communications Inc
200 West Adams Street, Chicago, IL, 60606(312) 924-9300
- Clear Wave Communications
404 Seright Street, Harrisburg, IL, 62946(618) 253-4174
- United Network Inc
602 West 5th Avenue, Naperville, IL, 60563(630) 305-4205
- Access Point Communications
1847 West Jefferson Avenue, Naperville, IL, 60540(630) 544-3300
- ESCO Communications
1900 Spring Road, Oak Brook, IL, 60523(630) 570-7570
- Paetec Communications
10 South Riverside Plaza Floor 2000, Chicago, IL, 60606(312) 575-0291
- LDCircuit.com
Chicago, IL, 60622(708) 233-6300
- Primetime Global Communications
7023 Roosevelt Road, Berwyn, IL, 60402(708) 484-9468
- Is Cheap Talk
7520 West 63rd Street, Summit Argo, IL, 60501(708) 563-0360
- Ameritech
Westchester, IL, 60154(708) 344-2739
- Talk Is Cheap
2031 North Mannheim Road, Melrose Park, IL, 60160(708) 343-8510
- Crossroads Communications
1507 Laurel Court, Sleepy Hollow, IL, 60118(847) 426-0009
- Aspect Communications
10255 West Higgins Road Suite 100, Rosemont, IL, 60018(847) 768-7500
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