COMPUTER CENTER
COMPUTER ASSOCIATES LTD ŞTİ
COMPUTEK TİCARET
COMPAQ COMPUTER TİC AŞ
COM-NET İLETİŞİM BİLGİSAYAR TİC LTD ŞTİ
COMMAT LTD ŞTİ
COMET BİLGİ İŞLEM MÜHENDİSLİK LTD ŞTİ
Codemaster
CISCO SYSTEMS
CHİPSET BİLGİSAYAR HASTANESİ VE İLETİŞİM
