Joint venture between Numerex Corp. and Cingluar led to the formation of Cellemetry LLC in 2007. Cellemetry LLC provides a cost-effective, two-way wireless data communications network throughout the United States, Canada, Mexico, Colombia, Argentina, Paraguay, Dutch Antilles and Puerto Rico. In 2003, Numerx Corp. acquired Cingular s interest in Cellmetry LLC. Founded in 1992, Numerx Corp., a publicly traded company, is a single source provider of secure machine-to-machine (M2M) products and services. Located in Atlanta, Ga., it is an ISO 27001 certified company.