About LonMark International

Interoperability for your Smart Building, you Smart City, and everything in-between

Since its inception in 1994 LonMark International has become a major driving force in the establishment of interoperable systems & guidelines and is committed to educating the market on the value of open, interoperable standards by providing tools, resources, and support for its members and their markets. LonMark International Affiliates span the globe with local presence in the Americas, Asia, and Europe. Whether you want to automate a building or an entire Smart City, LonMark can help you achieve multi-vendor interoperability.

LonMark International membership is open to any manufacturer, distributor, engineer, system integrator, or end-user interested in the development, specification, and use of open, interoperable products utilizing ISO/IEC 14908-1 and related standards.

Products that have been verified to conform to the LonMark International interoperability guidelines are eligible to carry the LonMark logo.

Vision Statement

LonMark International is the recognized industry authority for certification, education, and promotion of interoperability standards for the benefit of manufacturers, integrators, and end users.

Mission Statement

LonMark International’s mission is to enable the easy integration of multi-vendor systems based on ISO/IEC 14908-1 and related standards.

Purpose Statement

The purpose of LonMark International is to promote and advance the business of efficient and effective integration of open, multi-vendor control systems utilizing ISO/IEC 14908-1 (“LONWORKS Open Systems”) and related standards.

Today thousands of companies are using LonWorks control networks to provide systems and solutions for building, home, industrial, telecommunications, transportation, Smart City and other industries.  There are millions of LonWorks technology-based devices installed worldwide.  LonMark International provides an open forum for member companies to work together on marketing and technical programs to promote the availability of open, interoperable control devices.