Countywide Detective Bureau Inc.


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About Us


In the ever changing advances of today's high-tech world, It is difficult to find a business that treats each customer with honesty and integrity.


 Countywide Detective Bureau Inc., President Roberta Spangler has made it our goal to ensure each and every customer is treated honestly and is guaranteed complete customer satisfaction!   

Our goal has been, and always will be, to install quality, affordable alarm & data systems in area homes and businesses with pride. Pride that comes from treating each transaction with the care and personal attention it deserves.


At Countywide Detective Bureau Inc, our trained professionals have extensive continous training and experience in the sales, servicing, and installation of fire, burglar alarm, access control & CCTV video monitoring systems

 Our staff has extensive firsthand knowledge of the products we use and the methods of installations. We insist on providing prompt, courteous, professional assistance to our customers. Whether you are an informed client or require step-by-step guidance, we have the knowledge and experience to provide you with the best system for specific needs.



  We realize that your specific needs are unique.  Call or email us today and obtain advise from an investigative professional who will direct you on meeting your objective.  


ILL License #'s




City of Chicago Licensed electrical contractor





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