Member companies are ordered by zip code.
| Company Name | Street | Suite | City | ST | Zip | Country | Phone | Fax | Website | |
| Bancare Inc | 6 E College Dr | Arlington Heights | IL | 60004 | (847) 394-1122 | (847) 394-0268 | www.bancare.net | |||
| Fire & Security Systems Inc | 516 W Campus Dr | Arlington Heights | IL | 60004 | (847) 577-1950 | (847) 577-1997 | ||||
| Arlington Security Company | 218 East Grove | Arlington Heights | IL | 60005 | (847) 392-7997 | (847) 392-8232 | www.arlingtonsecurity.com | |||
| Infinity Monitoring Services Inc | 1533 Jarvis Ave | Elk Grove Village | IL | 60007 | (847) 879-8500 | (847) 879-8501 | www.infinitymonitoring.com | |||
| Stand Guard Inc | 6110 Lou St | Crystal Lake | IL | 60014 | (815) 459-4444 | (815) 459-4446 | www.standguardinc.com | |||
| Brink's Home Security - Des Plaines IL | 200 Howard Ave | Ste 292 | Des Plaines | IL | 60018 | (847) 294-0250 | (847) 294-0256 | www.brinks.com | ||
| United Alarm Systems Inc | 1854 Johns Dr | Glenview | IL | 60025 | (847) 729-3900 | (847) 729-4790 | ||||
| Bolt Systems Inc | 888 E Belvidere Rd | Grayslake | IL | 60030 | (847) 223-4160 | (847) 223-4150 | www.boltsystemsinc.com | |||
| Keyth Technologies Inc | 1575 Oakwood Ave | Highland Park | IL | 60035 | (847) 433-0000 | (847) 926-0008 | ||||
| Advanced Security Technologies Inc | PO Box 834 | Lake Zurich | IL | 60047 | (847) 540-9166 | (847) 540-9165 | www.advancedsecuritytechnologies.com | |||
| Norshore Alarm Co Inc | 28085 N Ashley Cir Ste 106 | Libertyville | IL | 60048 | (847) 367-7370 | (847) 549-1266 | www.norshorealarm.com | |||
| ESSCOE LLC | 25741 N Hillview Ct | Mundelein | IL | 60060 | (847) 847-3200 | (847) 847-3201 | www.esscoe.com | |||
| LaMarCo Systems Inc | 475 Lindberg Ln | Northbrook | IL | 60062 | (847) 239-7590 | (847) 239-7591 | www.lamarcosystems.com | |||
| Sentry Alarms One Inc | PO Box 1103 | Sentry Square Ste 117 | Northbrook | IL | 60065 | (847) 205-0320 | (847) 205-0305 | www.sentrytel.com | ||
| Jewell Electric Inc | PO Box 1098 | Waukegan | IL | 60079 | (847) 336-4919 | (847) 336-9121 | www.jewellelectric.com | |||
| Sentry ABC Security | 339 Egidi Dr | Wheeling | IL | 60090 | (847) 353-7200 | (847) 353-7207 | www.abcsecurity.com | |||
| LaCrosse Electric Company | PO Box 827 | Bensenville | IL | 60106 | (630) 595-0200 | (630) 595-1225 | ||||
| Nitech Fire & Security Industries Inc | 109 Fairfield Way | Ste 305 | Bloomingdale | IL | 60108 | (630) 307-8805 | (630) 307-8842 | |||
| Custom Residential Systems | 2521 Technology Dr | Ste 211 | Elgin | IL | 60124 | (847) 705-5086 | (847) 705-5570 | www.customresidential.com | ||
| Norcomm Public Safety Communications and Security | 395 West Lake St | Elmhurst | IL | 60126 | (630) 530-8871 | (630) 530-5099 | ||||
| Renaissance Communication Systems Inc | 3509 Martens St | Franklin Park | IL | 60131 | (847) 671-1340 | (847) 671-9340 | www.rc-systems.com | |||
| Chicago Fire & Burglar Detection Inc | 636 East Roosevelt Rd | Glen Ellyn | IL | 60137 | (630) 469-1122 | (630) 469-1137 | ||||
| Santoro Communications Group Inc | 10114 Ashley St | Huntley | IL | 60142 | (847) 515-6269 | (847) 669-0785 | www.santorogroup.com | |||
| Innovative Security & Technology Inc | 157 W Irving Park Rd | Roselle | IL | 60172 | (630) 529-2915 | (630) 529-0034 | www.innovativesec.com | |||
| Illini Security Systems Inc | 810 Albert Ave | Sycamore | IL | 60178 | (815) 895-2476 | (815) 895-9154 | www.alarm-u.com | |||
| Sonitrol Chicagoland West | 1275 W Roosevelt Rd Ste 123 | West Chicago | IL | 60185 | (630) 293-4497 | (630) 293-5014 | ||||
| Security Services Group Inc | 1616 E Roosevelt Rd | Ste 12 | Wheaton | IL | 60187 | (630) 597-0090 | (630) 597-0109 | www.mysecurityservices.com | ||
| Schaumburg Security Services Inc | 1937 South Wright Blvd | Schaumburg | IL | 60193 | (847) 584-9000 | (847) 584-9004 | www.schaumburgsecurity.com | |||
| Chapman's Residential Security | 3705 Village Dr | Hazel Crest | IL | 60429 | (708) 798-1631 | (708) 798-1641 | ||||
| Pyramid Alarm Inc | PO Box 391 | Lansing | IL | 60438 | (708) 895-5115 | |||||
| Stanley Security Solutions Inc - Chicago IL | 590 Territorial Dr | Ste H | Bolingbrook | IL | 60440 | (630) 771-7760 | (630) 771-7772 | www.stanleyworks.com | ||
| Brink's Home Security - Crestwood IL | 13528 S Kenton | Crestwood | IL | 60445 | (708) 824-4060 | (708) 824-4070 | ||||
| Quinlan Alarm Sytems Inc | 8940 W 192nd St | Ste J | Mokena | IL | 60448 | (708) 478-0707 | (708) 478-0333 | www.quinlansecuritysystems.com | ||
| Knight Security Alarms | PO Box 1013 | New Lenox | IL | 60451 | (815) 485-4700 | (815) 485-4808 | ||||
| DMC Security Services Inc | 4455 W 147th St | Midlothian | IL | 60455 | (708) 388-6500 | (708) 388-6563 | www.dmcsecurity.com | |||
| Protech Security Systems Inc | 16262 Prince Dr | South Holland | IL | 60473 | (708) 339-4900 | (708) 339-4089 | www.protechsecuritycameras.com | |||
| Aurora Tri-State Fire Protection | 1080 Corporate Blvd | Aurora | IL | 60502 | (630) 978-0600 | (630) 978-0940 | ||||
| Alarm Detection Systems Inc | 1111 Church Rd | Aurora | IL | 60505 | (630) 844-6300 | (630) 844-6326 | www.adsalarm.com | |||
| Electronic Security Systems Inc | PO Box 1027 | Aurora | IL | 60507 | (630) 896-2884 | (630) 579-5083 | www.ursecure.com | |||
| Stanley Convergent Security Solutions Inc - Chicago IL | 2854 Hitchcock Ave | Downers Grove | IL | 60515 | (630) 724-3600 | (630) 810-1522 | www.stanleysecuritysolutions.com | |||
| Customized Protection Services Inc | 830 Warren Ave | Downers Grove | IL | 60515 | (630) 963-2410 | (630) 963-6305 | ||||
| ADT Security Services Inc - Oak Brook IL | 111 Windsor Dr | Oak Brook | IL | 60523 | (800) 238-2727 | www.adt.com | ||||
| Protection One Alarm Monitoring Inc - Chicago | 600 Hunter Dr | Ste 101 | Oakbrook | IL | 60523 | (630) 449-1274 | (630) 368-0231 | |||
| Correct Electric Inc | 2059 Albright Rd | Montgomery | IL | 60538 | (630) 801-5050 | (630) 801-5055 | www.correctelectric.us | |||
| Home Tech Mgmt Inc | 1212C Badger St | Yorkville | IL | 60560 | (630) 553-1353 | (630) 553-6377 | www.hometechmgmt.com | |||
| Stanley Convergent Security Solutions Inc - Field HQ | 55 Shuman Blvd | Ste 900 | Naperville | IL | 60563 | (630) 245-7100 | (630) 245-7130 | www.stanleysecuritysolutions.com | ||
| Brink's Home Security - Naperville IL | 612A W 5th Ave | Naperville | IL | 60563 | (630) 848-1430 | (630) 848-1453 | ||||
| Father & Sons Home Service Inc | 3211 Oldwoods Dr | Naperville | IL | 60565 | (630) 985-3600 | (630) 985-8330 | ||||
| United Security Services Inc | 1550 S Indiana Ave | Unit 300 | Chicago | IL | 60605 | (312) 922-8558 | (312) 922-8599 | www.unitedhq.com | ||
| Advanced Security Group | 2021 South Wabash Ave | Chicago | IL | 60616 | (312) 881-9200 | (312) 881-9299 | www.iaschicago.net | |||
| Early Warning Alarms Inc | 7720 W Touhy Ave | Ste B | Chicago | IL | 60631 | (773) 763-2860 | (773) 763-2915 | |||
| Alert Protective Services Inc | 3833 N Cicero | Chicago | IL | 60641 | (773) 465-5174 | (773) 465-5195 | ||||
| Programmable Systems Inc | 1916 N Wilmot Ave | Chicago | IL | 60647 | (773) 252-7679 | (773) 252-7673 | www.alarmpro.com | |||
| Romeo Security Inc | PO Box 56538 | Chicago | IL | 60656 | (773) 625-1300 | (773) 625-9001 | ||||
| Monarch Burglar Alarm Co | 6827 W Dobson St | Niles | IL | 60714 | (773) 293-0473 | |||||
| Red Hawk Security Systems Inc | 12838 S Cicero Ave | Alsip | IL | 60803 | (708) 239-1670 | (708) 239-1690 | www.redhawk-us.com | |||
| Reliable Fire Equipment Company | 12845 S Cicero Ave | Alsip | IL | 60803 | (708) 597-4600 | (708) 389-1150 | www.reliablefire.com | |||
| Quality Alarm Systems Inc | 5532 W Cal Sag Rd | Alsip | IL | 60803 | (708) 389-7600 | (708) 389-7711 | ||||
| Per Mar Investigation Service Inc | 514 Loves Park Dr | Loves Park | IL | 61111 | (815) 636-3800 | (815) 636-3805 | www.permarsecurity.com | |||
| ADT Security Services Inc - Rockford IL | 5943 E Riverside | Rockford | IL | 61114 | (800) 238-2727 | www.adt.com | ||||
| Service Security Technologies Inc | 10462 Product Dr Ste D | Machesney Park | IL | 61115 | (815) 877-9700 | (815) 877-2354 | www.servicesecurity.com | |||
| ADT Security Services Inc - Rock Island IL | 2800 46th Ave | Ste 2 | Rock Island | IL | 61201 | (800) 238-2727 | www.adt.com | |||
| On Guard Security | 111 E 1st St | Geneseo | IL | 61254 | (309) 945-4827 | (309) 944-4406 | www.onguardil.com | |||
| Cops Inc Security Solutions | 3318 N University St | Peoria | IL | 61604 | (309) 682-2677 | (309) 682-2990 | www.copsincorporated.com | |||
| ADT Security Services Inc - Peoria IL | 682 Highpoint Ln | Peoria | IL | 61611 | (800) 238-2727 | www.adt.com | ||||
| Oberlander Alarm Systems Inc | 2216 W Altorfer Dr | Peoria | IL | 61615 | (309) 676-3535 | (309) 691-4447 | ||||
| A-1 Alarm Services Inc | 208 S Chestnut St | Champaign | IL | 61820 | (217) 359-3914 | (217) 359-8354 | www.a-1alarm.com | |||
| FE Moran Inc Alarm & Monitoring Services | 2202 Fox Dr | Champaign | IL | 61820 | (217) 403-6444 | (217) 403-6446 | ||||
| Phone Masters LTD/Security Division | 523 North Old St Louis Rd | Woodriver | IL | 62095 | (618) 254-7330 | (618) 251-5130 | ||||
| Barcom Inc | 923 N Belt W | Swansea | IL | 62226 | (618) 277-3344 | (618) 277-7940 | ||||
| MDB Electric Inc dba MDB Electronics | PO Box 67 | Troy | IL | 62294 | (618) 667-0177 | (618) 667-0177 | www.mdbelectronics.com | |||
| United Systems Inc | 1008 Jersey St | Quincy | IL | 62301 | (217) 228-0315 | (217) 228-0317 | www.4unitedsystems.com | |||
| Southern Electronics & Telephone | 785 Blue Hole Rd | Harrisburg | IL | 62946 | (618) 252-7333 | (618) 252-4219 |