Calmark, now an nVent SCHROFF brand, is the home of the Card-Lok. Calmark designs and manufactures rugged, printed circuit board guides, conduction frame assemblies, and extractors for use in non-benign – airborne, shipborne, and rugged land transportation environments. nVent Schroff is a leading manufacturer of standard and customer-specific cabinets and electronic enclosure systems. Most products can be modified or customized to meet your specific application requirements.
