Member Directory


Sienna Systems Corporation
22 Colonial Woods Drive
West Orange  NJ  07052-1615
United States
Tel: +1 973-736-2155
Fax: +1 973-736-1753

Sienna Systems Corporation Logo

Sienna Systems Corporation provides open systems integration solutions for building controls to Construction Managers, Mechanical Contractors and Facilities Managers.

Sienna Systems Corporation was featured as the "LonMark Member Focus of the Month" for January 2013.

LonMark Contact Information:

Panos J. Lambrou
Tel: +1 973-736-2155
E-mail: plambrou(a)


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LonMark Associate

Sienna Systems Corporation
joined LonMark as a Member over 15 years ago.


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.