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Althoff Industries, Inc.
8001 South Route 31
Crystal Lake  IL  60014
United States
Tel: +1 815-455-7000
Fax: +1 815-455-9375

Althoff Industries, Inc. Logo

Althoff Industries is a large mechanical, electrical, and controls company serving the Chicagoland area.  Our company is privately owned with over 40 years of experience in mechanical, electrical, and controls services.  Since our inception in 1961, we have grown to become a nationally ranked, specialty contractor active in design, installation, and systems integration.  Our technology group is a large systems integration group.  Althoff Industries has supported LonWorks® open systems far before the large growth pattern that is being adopted within the HVAC industry today.  As a systems integrator, we use multiple LON manufacturers and network them together.  Since Althoff Industries is a large design-build firm in M.E.P., we offer intelligent solutions by use of integrated designs in smart lighting panels to LON unitary equipment, VFDs, boilers, etc.

LonMark Contact Information:

Rami Y. Nassib
Technology Group
Tel: +1-815-455-7000
E-mail: nassib(a)


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Althoff Industries, Inc.
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.

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