Ar gent ina ) ▁Category : G overn ors ▁of ▁C ór dob a ▁Province , ▁Argentina <0x0A> </s> ▁is ▁a ▁manufact urer ▁of ▁electric ▁wire ▁and ▁optical ▁fi ber ▁c ables . ▁Its ▁headquarters ▁are ▁in ▁Ch ū ō - ku , ▁Os aka , ▁Japan . ▁The ▁company ' s ▁shares ▁are ▁listed ▁in ▁the ▁first ▁section ▁of ▁the ▁Tokyo , ▁N ago ya ▁Stock ▁Ex changes , ▁and ▁the ▁Fu ku oka ▁Stock ▁Exchange . ▁In ▁the ▁period ▁ending ▁March ▁ 2 0 1 9 , ▁the ▁company ▁reported ▁cons olid ated ▁sales ▁of ▁US $ 2 9 ▁billion ▁( 3 , 1 7 7 , 9 8 5 mill ion ▁Japanese ▁y en ). ▁ ▁The ▁company ▁was ▁founded ▁in ▁ 1 8 9 7 ▁to ▁produce ▁co pper ▁wire ▁for ▁elect rical ▁uses . ▁ ▁Sum it omo ▁oper ates ▁in ▁five ▁business ▁fields : ▁Autom ot ive , ▁Information ▁& ▁Communic ations , ▁Electron ics , ▁Environment ▁& ▁Energy , ▁and ▁Indust rial ▁materials ▁and ▁is ▁developing ▁in ▁two ▁others : ▁Life ▁Sciences ▁and ▁Material s ▁& ▁Resources . ▁ ▁It ▁has ▁more ▁than ▁ 3 5 0 ▁subs idi aries ▁and ▁over ▁ 2 7 0 , 0 0 0 ▁employees ▁in ▁more ▁than ▁ 3 0 ▁countries . ▁ ▁Sum it omo ▁Electric ▁has ▁tradition ally ▁had ▁an ▁int ensive ▁focus ▁on ▁R & D ▁to ▁develop ▁new ▁products . ▁ ▁Its ▁techn ologies ▁have ▁been ▁used ▁in ▁major ▁projects ▁including ▁traffic ▁control ▁in ▁Th