Security/Security Hardware Security/Security Hardware 41.887359,-87.6200951,Allied Universal Security Services 42.0176181,-88.1472468,Apex3 Systems LLC 41.7058706,-87.7340015,DSI Security 41.8771442,-87.6426831,GardaWorld US Security Services 41.8802918,-87.629048,Harvard Protection Services 41.8863084,-87.6350643,Kastle Systems 41.8896986,-87.6371618,P4 Protective Services LLC 41.8440483,-87.9433845,PalAmerican Security 41.9027431,-87.6332508,Prudential Defense Solutions Inc. 41.879594,-87.6374322,Securitas Security Services Usa, Inc. 41.8782728,-87.6428571,Titan Security Group {Directory Results} Search Radius... 1 mi 5 mi 10 mi 50 mi 100 mi Security/Security Hardware Results: 11 Allied Universal Security Services Allied Universal Security Services 303 E. Wacker Dr, Suite 1500, Chicago, IL 60601 (312) 755-0200 Send Email Visit Website Apex3 Systems LLC Apex3 Systems LLC 1535 Brandy Pkwy, Streamwood, IL 60107-1809 (224) 808-4422 Visit Website DSI Security DSI Security 4544 W 103rd St., Suite 2SE, Oak Lawn, IL 60453 (847) 347-8692 Visit Website GardaWorld US Security Services GardaWorld US Security Services 328 S Jefferson St., Suite 730, Chicago, IL 60607 (312) 343-6608 Send Email Visit Website Harvard Protection Services Harvard Protection Services 33 W Monroe St., Suite 1850, Chicago, 60603 (312) 948-0007 Visit Website Kastle Systems Kastle Systems 225 W Wacker Dr Ste 300, Chicago, IL 60606-1229 (312) 849-8800 x2966631 Send Email Visit Website P4 Protective Services LLC P4 Protective Services LLC 414 N Orleans St, Chicago, IL 60654-4421 (312) 617-2555 Send Email Visit Website PalAmerican Security PalAmerican Security 1000 Jorie Blvd., Suite 42, Oakbrook, 60523 (630) 537-1118 Visit Website Prudential Defense Solutions Inc. Prudential Defense Solutions Inc. 1122 N LaSalle Dr., Chicago, 60610 (312) 919-0049 Send Email Visit Website Securitas Security Services Usa, Inc. Securitas Security Services Usa, Inc. 150 S Wacker Dr, Chicago, IL 60606-4103 (312) 715-1550 Visit Website Titan Security Group Titan Security Group 600 W Jackson Blvd, Suite 300, Chicago, IL 60661 (312) 902-3400 Send Email Visit Website Powered By GrowthZone