SDI Security Inc
2907 South Wabash Avenue,Chicago,IL 60616
tel: (312) 225-1071
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SEB Services of Illinois Inc
1411 West Wilson Avenue,Chicago,IL 60640
tel: (773) 248-3027
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SEB Services of Illinois Inc
1411 West Wilson Avenue,Chicago,IL 60640
tel: (773) 334-1200
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SEB Services of Illinois Inc
3257 North Sheffield Avenue,Chicago,IL 60657
tel: (773) 248-3008
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Securitas Security Service USA Inc
500 North Pulaski Road,Chicago,IL 60624
tel: (773) 826-0500; (888) 290-8225 (toll-free)
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Securitas Security Services
6325 North Avondale Avenue,Chicago,IL 60631
tel: (773) 775-1158
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Securitas Security Services
6325 North Avondale Avenue,Chicago,IL 60631
tel: (773) 594-6100
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Security Management & Investigation
5648 South Archer Avenue,Chicago,IL 60638
tel: (773) 585-0400
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Security Professionals Inc
5650 South Archer Avenue,Chicago,IL 60638
tel: (773) 581-8181
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Security Services
1900 South Clark Street Suite 103,Chicago,IL 60616
tel: (312) 791-0940; (800) 405-7233 (toll-free)
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Skytech Enterprises Inc
2600 South Michigan Avenue Suite 309,Chicago,IL 60616
tel: (312) 328-9036
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Skytech Security Services LLC
940 West 122nd Street,Chicago,IL 60643
tel: (312) 893-1017
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Spi Background Security Professionals
5650 South Archer Avenue,Chicago,IL 60638
tel: (773) 581-1400; (773) 581-6900 (fax)
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Spy Shop
Chicago,IL 60601
tel: (312) 658-0636
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Spy Shop
Chicago,IL 60601
tel: (800) 487-1782
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Star Detective & Security
Chicago,IL 60607
tel: (773) 874-1900
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Star Detective & Security
813 East 75th Street,Chicago,IL 60619
tel: (773) 994-9920
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Statewide Guard & Investigative Services
2041 West Carroll Avenue,Chicago,IL 60612
tel: (312) 942-1222
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Tactical Security Consultants Inc
Chicago,IL 60607
tel: (773) 327-7227
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The Wackenhut Corporation
40 North Wells Street Floor 4,Chicago,IL 60606
tel: (312) 236-8161
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