Numerex Corp. (NASDAQ: NMRX) has expanded its relationship with IAP Worldwide Services, Inc (IAP). The expanded relationship includes the purchase of Numerex SX1 remote monitoring sensors to incorporate into its emergency response efforts. IAP is a leading international contractor providing global mission support for the Department of Defense and other U.S. government agencies. Headquartered in Cape Canaveral, Florida, the Company has project sites in over 100 locations worldwide. The SX1 is the smallest, most cost-effective, battery powered satellite-tracking tag available. The ruggedized device is designed to withstand harsh environmental extremes and has been awarded the highest certifications available in a satellite-tracking device. The SX1 delivers years of exceptional, uninterrupted service on a single field-replaceable lithium ion manganese dioxide battery and can be installed, activated and operational in less than one minute. Numerex's global satellite data solutions provide real time field operative visibility to organizations when and where they need it. In addition to its work with IAP, Numerex provides satellite and cellular GPS tracking solutions to the American Red Cross as well as numerous federal and state government agencies and private organizations.