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LonMark has provided my company with a vehicle to generate both awareness and credibility to our customers as well as to receive knowledge and understanding about the marketplace.

– Tracy Markie, President
Engenuity Systems, Inc.

More Member Testimonials

Task Groups and Committees

LonMark task groups and committees provide a forum for member companies to discuss and develop application-specific design requirements. The LonMark task groups focus primarily on technical issues related to developing interoperable products for particular applications. One important area for discussion within the task groups is the ongoing development of LonMark functional profiles that specify the standard LonMark network interface for specific control functions. Progress within the task groups is rapid, with proposals reaching approval in months rather than years. LonMark members may participate in any task groups of interest. Only members may review and comment on proposals.

The list of LonMark task groups is growing as the application for LonMark products continues to expand. For more information on individual task group activities please access the links below. LonMark Members may view the status of Task Group activity by accessing the Member Area.

Newly formed:

LonMark Channel Standardization Committee (click here to join committee) - See Charter

LonMark Smart Cities Council - See Charter


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Membership to LonMark International is open to any company, organization or individual committed to the development, manufacture, and use of interoperable open, multi-vendor control systems utilizing ISO/IEC 14908-1 and related standards.

Visit the Membership section for information on how to join LonMark International.