| ILLINOIS | ||
| Advanced Wiring Solutions | Alsip, IL 60803 | 708-906-2767 / 708-385-0916 |
| Arlington Security Company | Arlington Heights, IL 60005 | 847-392-7997 |
| M & R Electronics Systems | Arlington Heights, IL 60004 | 847-417-6567 |
| City Communications | Aurora, IL 60560 | 630-710-7488 |
| Chicago Land Wiring | Aurora, IL 60506 | 312-296-6512 |
| Cass Security | Carol Stream, IL 60188 | 630-379-1618 |
| Add Security | Chicago, IL 60618 | 773-908-7337 |
| Adam Intercom | Chicago, IL 60651 | 773-715-5232 |
| Add Security | Chicago, IL 60618 | 773-908-7337 |
| Alextronic Inc. | Chicago, IL 60649 | 773-363-5000 |
| Anchor Group | Chicago, IL 60626 | 773-768-8300 |
| Ashland Lock and Security | Chicago, IL 60614 | 312-391-2011 |
| Bradley Communication | Chicago, IL 60622 | 773-384-9068 |
| Chicago Building Services | Chicago, IL 60657 | 773.617.8707 |
| DD Electric | Chicago, IL 60634 | 773-344-0311 |
| Collier Lock and Security | Chicago, IL 60659 | 773-743-5397 |
| En-Progress, Inc. | Chicago, IL 60617 | 312-799-1094 |
| G & V Electrics | Chicago, IL 60628 | 773-488-1430 |
| Homerun Technology | Chicago, IL 60657 | 773-531-0761 |
| Mega Locksmith & Security | Chicago, IL 60610 | 312-649-9394 |
| New Tel-a-Call | Chicago, IL 60644 | 773-431-5271 |
| Paragon Systems | Chicago, IL 60612 | 312-671-5388 |
| Prompt Tel Communications | Chicago, IL 60639 | 773-468-2915 |
| QIS Inc. | Chicago, IL 60643 | 773-936-7753 |
| Skynet 4 Security | Chicago, IL 60643 | 708-288-5667 |
| Titan Electronics | Chicago, IL 60661 | 312-902-3400 |
| True Electrical | Chicago, IL 60641 | 773-685-5639 |
| Teletech | Chicago, IL 60643 | 773-913-3777 |
| Torres Electronics | Chicago, IL 60660 | 773-858-1956 |
| Wired Technologies Inc. | Chicago, IL 60608 | 847-612-5713 |
| Xenex | Chicago, IL 60614 | 630-379-1618 |
| Telecam Design | Chicago Heights, IL 60411 | 708-337-6117 |
| Microeye Security system | Crestwood, IL 60445 | 708-388-7233 |
| Mastercraft Electronics | Deerfield, IL 60015 | 847-778-1448 |
| A+ Electrical Services | Des Plaines, IL 60016 | 773-297-7177 |
| JR Electronics Services | Des Plaines, IL 60018 | 847-296-2771 |
| ITR Systems | Downers Grove, IL 60515 | 630-512-0044 |
| Fox Valley Fire and Safety | Elgin, IL 60124 | 847-695-5990 |
| Atlas Protection | Elmhurst, IL 60126 | 847-833-6073 |
| Chicago Metro Fire | Elmhurst, IL 60126 | 630-833-1110 |
| Chicago Metropolitan Fire Prevention | Elmhurst, IL 60126 | 630-833-1110 |
| Simplex Grinell | East Peoria, IL 61611 | 563-529-7858 |
| Tekcomm LL | Evanston, IL 60202 | 947-343-4008 |
| Lock A2Z Inc. | Glencarbon, IL 62034 | 618-779-0430 |
| Buschman Companies | Gurnee, IL 60031 | 847-265-0230 |
| Allstars Technologies | Highland Park, IL 60035 | 847-774-4653 |
| Versomni | Homewood, IL 60430 | 773-410-7523 |
| Allcom System | Homer Glen, IL 60491 | 708-935-5171 |
| Oak Fire and Security System Inc | Homer Glen, IL 60491 | 708-301-6131 |
| Infinite Technologies | Huntley, IL 60142 | 847-322-0881 |
| Bolt Systems | Lake Villa, IL 60046 | 312-343-4223 |
| True Home Electrical | Lockport, IL 60441 | 708-359-9236 |
| Cipher Technology Solutions | Montgomery, IL 60538 | 630-746-0164 |
| Elite Security and Intercom | Mcherny, IL 60050 | 773-457-8434 |
| Krestel Locksmith | Midlothian, IL 60445 | 708-385-0886 |
| ZP Vision | Miles, IL 60714 | 773-710-5826 |
| Garden Electric | Mokena, IL 60448 | 815-806-2100 |
| One Stop Intercom Services, LLC | Mount Prospect, IL 60056 | 847-342-0742 |
| LD Electrical Services Inc. | Morton Grove, IL 60053 | 773-663-9488 |
| GG Communication Inc. | Mundelein, IL 60060 | 847-756-0819 |
| Triad Electrical Contractors Inc | Mundelein, IL 60060 | 847-388-3000 |
| Electric Progression Industries LLC | Island Lake, IL 60042 | 888-526-9985 |
| Accurate Engineering | Naperville, IL 60540 | 800-248-8655 |
| First Security | Naperville, IL 60540 | 630-961-5900 |
| Metro Protection LLC | Naperville, IL 60565 | 708-890-1378 |
| Jolen Electric | Newlennox, IL 60451 | 815-726-3528 |
| Kablar Electric | Niles, IL 60714 | 773-851-2921 |
| Sonitrol | Northbrook, IL 60062 | 224-629-3331 |
| Oak Brook Electric | Oak Forest, IL 60452 | 630-417-7832 |
| Digital Life Style | Oak Park, IL 60302 | 708-655-6551 |
| Corporate National Communications Inc. | Palatine, IL. 60078 | 847-202-9343 |
| iii Solutions, Inc. | Palatine, IL 60067 | 773-208-2117 |
| SDA Technologies | Palatine, IL 60067 | 847-421-1620 |
| Seico Security | Pekin, IL 61554 | 309-241-6141 |
| American Protection | Princeton, IL 61356 | 309-472-7838 |
| Posnetss | Quincy, IL 62301 | 217-430-4811 |
| Time Technology | Roselle, IL 60172 | 630-529-5226 |
| Covergint Technologies | Schaumburg, IL. 60173 | 847-366-6172 |
| Walter's Services | Schaumburg, IL 60194 | 847-525-4188 |
| Allied Tele-Com | Spring Grove, IL 60081 | 847-249-2027 |
| Team Electronic | Spring Grove, IL 60081 | 847-973-9832 |
| Ryan Electric | Springfield. IL 62702 | 217-698-4877 |
| Swedberg Electric | Sycamore, IL 60178 | 815-970-7510 |
| Goldy Locks, Inc. | Tinley Park, IL 60477 | 708-532-6560 / 708-932-1434 |
| PN Power Inc. | Tinley Park, IL 60477 | 773-968-7036 |
| Quality Integrated Solution | Tinley Park, IL 60477 | 708-774-4215 |
| Revere Central | Warrenville, IL 60555 | 630-393-1150 |
| DGTell LLC | Wheeling, IL 60090 | 847-322-1139 |
| Laforce Inc. | Willow Brook, IL 60527 | 224-355-6994 |
| RDK Electric Inc. | Wilmette, IL 60607 | 708-203-9191 |