Jeffery S. Prough

Critical Signal Technologies, Inc. provides personal emergency response systems and health monitoring services. Its solutions include In-Home PERS, Mobile PERS, Senior Living Safety System, Medication Management, PERSPlus, Telemonitoring, and Social Work Services. The company was founded by Jeffery S. Prough in 2006 and is headquartered in Novi, MI.

Part of GA Business Purchaser LLC, Guardian Medical Monitoring, Inc. helps protect individuals and their loved ones with their medical monitoring system. The company is based in Southfield, MI. The system includes fall detection and easy-to-use alerts, as well as a two-way voice intercom and home temperature monitoring.

Guardian Security Services, Inc. provides security services. It provides security programs to commercial properties, corporate headquarters, public utilities, residential communities, financial institutions, college campuses and manufacturing facilities. The company was founded in 2005 and is headquartered in Southfield, MI.

Part of Loomis AB, Guardian Armored Security, Inc. is a company that provides armored car services. The company is based in Southfield, MI. Guardian Armored Security was acquired by Loomis AB on August 27, 2007 for $4.08 million.

Part of AT&T, Inc., RAM Broadcasting Corp. provides wireless communication services. The company is based in Woodbridge, NJ. RAM Broadcasting was acquired by BellSouth LLC, part of AT&T, Inc. from December 29, 2006 on October 24, 1997.

GA Business Purchaser LLC provides security and alarm monitoring services. It offers residential and commercial security solutions and security guard services. The company was founded by Milton Pierce in 1930 and is headquartered in Southfield, MI.