Design for others of customized products in the field of customized rubber, plastic and elastomer products, electronic keyboards, modules and input/output devices for keyboards, input controllers, control panels, [ tube displays ] and indicators, slide potentiometers, encoders, keypads, and computer cursor control devices; real-time embedded software development and verification services for others in the fields of avionics, medical electronics, land transportation and communications equipment; custom design of communication and secure communication hardware, software and networks to the specifications of others; consulting services in the design, development, implementation and integration of communication and secure communication hardware, software and networks; design of electronics and software architecture for switches, displays, and other control devices; design of integrated panels and bezels; design and testing for new product development; design and development of microelectronic circuits; design and development of display products, namely, edge-lit panels, integrated switch panels and keyboards, LCD modules and host ready sub-systems; design and development of complex circuit card assemblies, [ magnetics, ] power supplies and junction boxes, and complete turnkey avionics [ ; calibration services ]