Since its inception in 1994 and new corporate structure in 2003, LONMARK International has become a major driving force in the establishment of interoperable guidelines for building, industrial, transportation and residential/utility automation. LONMARK membership is open to any manufacturer, distributor, engineer, system integrator, or end-user committed to the development, specification, and use of open, interoperable products utilizing ANSI/CEA 709.1 and related standards.
Products that have been verified to conform to the LONMARK interoperability guidelines are eligible to carry the LONMARK logo.
LonMark and the LonMark Logo are registered trademarks in the US and other jurisdictions. LonMark has the right to administer these trademarks under a license agreement from Echelon Corporation.