Company Contact Information

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These companies have registered with the Michigan Public Service Commission (MPSC) per Commission Order U-11900 and Sec. 211a of the Michigan Telecommunications Act (MTA)

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Company Contact:	Sentinel Technologies, Inc. 2550 Warrenville Road Downers Grove, Illinois 60515, United States Phone:  (630) 769-4300 Fax:  (630) 769-1399 Email:  scockerham@fastektax.com Website:  http://www.sentinel.com
Customer Contact:	Ryan Santry 2550 Warrenville Road Downers Grove, Illinois 60515, United States Phone:  (630) 769-4394 Fax:  (630) 769-1399 Email:  rsantry@sentinel.com
DBA:
Registered as:	Voice Over Internet Protocol Provider (VoIP)