- ISO 9001 Certified. Specializes In The Mfg. Of Custom & Stock Electrical Audio Frequency & Low Voltage Connectors, Pushbutton Switches, Electro-Mechanical Devices, Commercial Telephone Plugs & Jacks. Products Are Designed To Meet Or Exceed All Military Specification Requirements. Facilities Include Tool Room, Test Laboratory, Molding Presses, Stamping Presses, Clean Room For Switch As ...www.nexus.com