SYS Company d.o.o.
Telephone: +387 33 27 7090
Fax: +387 33 27 7092
E-mail: sys@sys.ba
Website: http://www.sys.ba
ELNOS BL d.o.o.
Telephone: +387 51 388 975
Fax: +387 51 388 974
E-mail: officebl@elnosbl.com
Website: http://www.elnosbl.com
UNIS TELEKOM d.o.o.
Telephone: +387 36 445 300
Fax: +387 36 445 323
E-mail: unis@unistelekom.ba
Website: http://www.unistelekom.ba