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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.

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Membership Application

Join Now!

Are you ready to join the growing membership of LonMark International?  Joining is easy. Simply download the LonMark International Membership Information and Application Form using the link below, and submit your application today.

LonMark International Membership Information and Application Form
The LonMark International Membership Information and Application Form can be viewed using an application that is Microsoft Office® -aware.  Please contact us for other formats if needed.

Please download, complete, and then return the form my postal mail, fax, or electronically via email with the appropriate payment chosen in the appropriate method.  Checks and bank drafts should be sent to:

LonMark International
Attn: Secretary / Treasurer
2901 Patrick Henry Drive
Santa Clara, CA 95054 USA
Phone: +1-408-938-5266
Fax: +1-408-790-3838
Email: secretary(a)

Please follow the links to the left for more Membership information:

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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.