- COMPANY PROFILE TELECABLES S.A. was founded in 1991 as a joint venture between HELLENIC CABLES S.A. and SIEMENS A.G. Since 2000, TELECABLES S.A. is a fully owned subsidiary of HELLENIC CABLES S.A. TELECABLES S.A. manufactures copper communication cables as well as fibre optic cables for telecommunication and other purposes. The company's manufacturing plant in Oinofyta started production in 1991 ...www.telecables.gr