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global service

Nationwide Locations

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

Directions

P (630) 769-4300

F (630) 769-1399

Chicago Office

180 N. LaSalle, Suite 3850

Chicago, IL 60601

Directions

P (312) 637-2100

F (312) 637-2099

Springfield Office

3130 Chatham Road

Suite D

Springfield, IL 62704

Directions

P (217) 698-9200

F (217) 698-9222

Ann Arbor Office

4220 Varsity Drive

Suite F

Ann Arbor, MI 48108

Directions

P (734) 794-5700

F (734) 794-5701

Crystal Falls Office

32 Superior Avenue

Crystal Falls, MI 49920

Directions

P (906) 875-4479

F (906) 875-4438

Grand Rapids Office

4101 40th Street SE

Kentwood, MI 49512

Directions

P (616) 365-5502

F (616) 466-7337

Lansing Office

101 S. Washington Square

Suite 900

Lansing, MI 48933

Directions

P (517) 336-3600

F (517) 336-3601

Milwaukee Office

3720 N. 124th Street

Suite C

Wauwatosa, WI 53222

Directions

P (414) 536-9220

F (414) 539-9301

Phoenix Office

1241 W. Warner Road

Suite 112

Tempe, AZ 85284

Directions

P (480) 820-7141

F (480) 820-7275

Atlanta Office

1899 Powers Ferry Road

Suite 310

Atlanta, GA 30339

Directions

P (678) 831-3770

Denver Office

6675 S Kenton St

Suite 105

Centennial, CO 80111

Directions

P (720) 643-1400

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