Technology Systems & Business Solutions Providers. Headquartered in Athens, Greece, ONEX is a dynamic, rapidly growing Technology organization which responds efficiently to the constant changes of market requirements. Our success stems from our focused customer oriented development of innovative products and integrated business services. Our fields of activity include Integrated Solutions, Technology and Business Services, Engineering and Product Design for: - Defence & Aviation - ICT & Security - Nanotechnology - Business Services Since its foundation in 2004, Onex has successfully completed numerous projects in Greece and abroad with repeating collaborations. With a global network of highly reputed associates and satisfied clientele is leading its market.