For over 50 years, Calmark and Birtcher have been widely recognized and trusted brands for printed circuit board retention, PCB accessories and conduction cooling products. Supporting a wide variety of applications, notably in the defense and security industries, Calmark and Birtcher products range from economical nylon card guides to ruggedized Card-Loks and Wedge Loks, inserters and extractors and even conduction cooled assemblies. Key customer benefits include: 1. Comprehensive product portfolio 2. Precision engineered standard & modified solutions 3. Design consultation and rapid prototyping 4. Program management support and service 5. Design verification, validation & certification support 6. Lot traceability, DFARS specialty metals, first article inspection, RoHS certification, ITAR compliance and NADCAP certified suppliers. Calmark and Birtcher was acquired by Pentair in 2007 and in May, 2014, the Calmark and Birtcher products were rebranded and integrated into its Schroff brand. Schroff, a world leader in electronics packaging design and fabrication since 1962, offers a wide range of innovative and high-quality standard products including 19" cabinets, subracks, cases, backplanes, motherboards, and microcomputer systems. Schroff became part of Pentair Technical Solutions in 1994. Birtcher and Calmark provide state of the art PCB hardware solutions for industries around the world. Their PCB accessories range from nylon card guides, to PCB connectors that are designed to provide board retention, and stiffening and thermal management for high shock applications. Pentair Technical Solutions is a global leader of systems and solutions that safeguard industrial controls, electrical components, communications hardware, electronic devices, and electrical heat management systems. Its premier brands Hoffman, Raychem, Schroff and Tracer provide a comprehensive range of standard, modified and custom engineered solutions for the energy, industrial, infrastructure, commercial, communications, medical, security and defense markets. The Schroff brand offers a broad portfolio of products from basic printed circuit board (PCB) accessories, such as card retainers, conduction cooled frames, front panels and handles to subracks, enclosures, backplanes, power supplies, cabinets and pre-assembled chassis for embedded computing systems.