Elma Electronic is a publicly traded Swiss electronics company founded in 1960 and based in Wetzikon, Switzerland. The company has 5 product divisions: Systems Platforms, Backplanes, Enclosures & Components, Rotary Switches, and Cabinet Enclosures. The largest segment is systems packaging serving the military, aerospace, homeland security, medical and industrial markets. The Elma Bustronic division develops backplanes, including VME320, which was the world's fastest VME backplane in 1997. Elma Bustronic also develops backplanes in OpenVPX, VMEbus, VME64X, CompactPCI, MicroTCA, and custom bus structures. Elma is an executive member of the PCI Industrial Computer Manufacturers Group, VME International Trade Association, and member of the OpenVPX Industry Working Standards Group. Wikipedia