| Business | Phone |
| Bks Enterprises 1118 Lunt Ave, Schaumburg 60193 | (847) 352-1118 |
| Dish Network Schaumburg 60173 | (847) 240-0039 |
| Coombs Associates 943 N Plum Grove Rd, Schaumburg 60173 | (847) 908-0600 |
| Alpha Communications Inc 1321 Tower Rd, Schaumburg 60173 | (847) 922-8989 |
| Klj Electronic Sales 2612 Pirates Cv, Schaumburg 60173 | (847) 397-0832 |
| Kronos Inc 1515 E Woodfield Rd 400, Schaumburg 60173 | (847) 969-1300 |
| Martan Inc 1100 E Woodfield Rd, Schaumburg 60173 | (847) 330-3200 |
| Radio Shack D210 Woodfield Mall, Schaumburg 60173 | (847) 619-3075 |
| Webb Communications 4360 N Stone Harbor Dr, Schaumburg 60192 | (847) 991-2134 |
| Ken-Tech Systems 1470 Williamsburg Dr, Schaumburg 60193 | (847) 985-0315 |
| Radio Shack 1113 S Roselle Rd, Schaumburg 60193 | (847) 895-1730 |
| Tmi Office Systems 512 N Braintree Dr, Schaumburg 60194 | (847) 843-8288 |
| Iec Integrated Electronics 2401 Hassell Rd 1505, Schaumburg 60194 | (847) 843-2040 |
| Northwestern 2401 W Schaumburg Rd 2, Schaumburg 60194 | (847) 534-6700 |
| Commercial Telephone Systems 1000 E State Pkwy E, Schaumburg 60173 | (847) 690-0000 |
| Hitachi America Ltd 300 N Martingale Rd, Schaumburg 60173 | (847) 517-1144 |
| Impero Electronics Inc 1261 Wiley Rd, Schaumburg 60173 | (847) 885-7241 |
| Innovative Voice Tech 1717 N Penny Ln, Schaumburg 60173 | (847) 278-3500 |
| Insight Electronics 1251 N Plum Grove Rd 105, Schaumburg 60173 | (847) 230-2700 |
| Jaco Electronics Inc 2030 E Algonquin Rd, Schaumburg 60173 | (847) 303-0700 |
| Mmc Electronics America Inc 1365 Wiley Rd 149, Schaumburg 60173 | (847) 490-0222 |
| Mobile Solution Corp 5 Woodfield Mall, Schaumburg 60173 | (847) 619-1556 |
| Omron Electronics 1300 Basswood Rd, Schaumburg 60173 | (847) 583-5559 |
| Radio Shack 100 E Golf Rd B, Schaumburg 60173 | (847) 884-7251 |
| Sharper Image L103 Woodfield Mall, Schaumburg 60173 | (847) 330-1030 |
| Telsystems Inc 1931 N Meacham Rd, Schaumburg 60173 | (847) 303-1500 |
| Tew America 1827 Walden Office Sq 325, Schaumburg 60173 | (847) 925-0947 |
| Tweeter 935 E Golf Rd, Schaumburg 60173 | (847) 605-0033 |
| Us Robotics 935 National Pkwy A, Schaumburg 60173 | (847) 874-2000 |
| Victory Sales 1920 Thoreau Dr N 125, Schaumburg 60173 | (847) 925-0927 |
| Mar-Lyn Electronics Co 809 Estes Ave, Schaumburg 60193 | (847) 923-9111 |
| Media Intl Inc 6312 W Roosevelt Rd, Schaumburg 60193 | (847) 524-2888 |
| Quality Products Group 920 Albion Ave, Schaumburg 60193 | (847) 891-8804 |
| Satellite Innovations Inc 650 Albion Ave, Schaumburg 60193 | (847) 458-7400 |
| Signmax 1018 Lunt Ave, Schaumburg 60193 | (847) 534-7135 |
| Communication Next 845 E Schaumburg Rd, Schaumburg 60194 | (847) 895-1860 |
| Javelin Electronics 813 Mansfield Ct, Schaumburg 60194 | (847) 882-4910 |
| Radio Shack 2505 W Golf Rd, Schaumburg 60194 | (847) 490-1162 |
| Suffolk Business Group 2549 W Golf Rd 126, Schaumburg 60194 | (630) 830-4409 |