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Nationwide Service

For Sentinel, service is non-stop and coast-to-coast. Sentinel's offices provide the launching pads for our nationwide, regional, and local service capabilities. Today's technologies have overcome the geographical barriers of yesterday - leaving you, the customer, to receive the best services from the best providers.

Corporate Headquarters Sentinel Technologies, Inc. 2550 Warrenville Road Downers Grove, IL 60515 630.769.4300 Fax 769.1399			Chicago Office 39 South LaSalle Chicago, IL 60603 312.419.1490 Fax 419.0120

Phoenix Office 1241 W. Warner Road Suite 112 Tempe, AZ 85284 480.820.7141 Fax 820.7275			Springfield Office 3130 Chatham Road Suite D Springfield, IL 62704 217.698.9200 Fax 698.9222

Crystal Falls Office 32 Superior Ave Crystal Falls, MI 49920 800.718.2995 906.875.4479			Madison Office 313 W. Beltline Hwy Suite 186 Madison, WI 53713 608-221-3338

Ann Arbor Office 4220 Varsity Drive, Suite F Ann Arbor, MI 48108 734.794.5700 Fax 794.5701			Milwaukee Office 3720 N. 124th Street Suite C Wauwatosa, WI 53222 414.536.9220 Fax 536.9301

Grand Rapids Office 4101 40th Street SE Kentwood, MI 49512 616.365.5502 Fax 466.7337

Intelligent Ideas. Integrated Solutions.

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