| ▌l Ad² | Kurulu■ | Cadde | Bina Ad² | Kap² No | Kat | Daire | Semt | Posta Kodu | Alan Kodu | Tel | Faks |
| ▌stanbul | C ve Sistem Programc²lar² Derne≡i | O≡uz Soka≡² | 5/2 | 4 | Mecidiyek÷y | 80300 | 212 | 2883631 | 2883631 | ||
| ▌stanbul | C&T Elektro | Papatya Soka≡² | 1 | Avc²lar | 34840 | 212 | 6957600 | 6942095 | |||
| Ankara | CA Computer Associates Ltd | ▌ran Caddesi | 45 | 10 | Kavakl²dere | 06700 | 312 | 4684097 | 4680436 | ||
| ▌stanbul | CA Computer Associates Ltd | Bⁿyⁿkdere Caddesi | Oyal ▌■han² | 2 | 10 | Esentepe | 80280 | 212 | 2727172 | 2727349 | |
| ▌stanbul | CableNet Mⁿmessillik Ltd | Ba≡dat Caddesi | Sad²ko≡lu ▌■ Merkezi | 435 | 2 | Suadiye | 81070 | 216 | 3569465 | 3561583 | |
| ▌stanbul | Cabletron Tⁿrkiye | Mithat Ulu ▄nlⁿ Bey Soka≡² | 9 | Zincirlikuyu | 80300 | ||||||
| ▌zmir | CADB▌M Bilgisayar Ltd | K²br²s ▐htleri Caddesi | 185 | 601 | Alsancak | 35220 | 232 | 4638210 | 4632501 | ||
| ▌stanbul | Cadet Bilgisayar Ltd | Ko■uyolu Caddesi | Huzur Apartman² | 158 | 19 | Ko■uyolu | 81020 | 216 | 3273520 | 3273544 | |
| ▌stanbul | Can Hassas Ka≡²t-Bant Paz. A▐ | Akasya Soka≡² Keresteciler Sitesi | Serdar Han | 1 | 5 | Merter | 34010 | 212 | 6371698 | 6371008 | |
| ▌stanbul | Can Mⁿhendislik A▐ | Uzunτay²r Caddesi | Kad²k÷y ▌■ Merkezi | 31 | 16 | Hasanpa■a | 81050 | 216 | 3264705 | 3264789 | |
| Kocaeli | Cancan Ticaret | Cumhuriyet Caddesi | 37/P | G÷lcⁿk | 262 | 4134151 | 4146900 | ||||
| Adana | Canon Link Ltd | Ramazano≡lu Caddesi | Arzu Amber Apartman² | 1 | 1 | Seyhan | 01120 | 322 | 4531156 | 4533530 | |
| Bursa | Cantⁿrk Bilgisayar | ╟elebiler Caddesi | Akarsu ▌pekτi ▌■ Merkezi | 89 | 2 | Heykel | 16050 | 224 | 2235375 | 2236767 | |
| ▌stanbul | Carrefour Ticaret Merkezi | Hal Binas² Yan² | ▌τerenk÷y | 81120 | 216 | 4162322 | 3845443 | ||||
| ▌stanbul | Cartoon Animasyon Stⁿdyolar² | ╟²ra≡an Caddesi | Saadet Apartman² | 15 | 5 | Be■ikta■ | 80690 | 212 | 2601112 | 2590677 | |
| Bolu | Casper Center | ▌zzet Baysal Caddesi | Meydan ▌■han² | 1 | 374 | 2172545 | |||||
| ▌stanbul | Castor&Pollux | Abdi ▌pekτi Caddesi | Reasⁿrans ▌■han² | 61 | 4 | Te■vikiye | 80200 | 212 | 2255535 | ||
| Ankara | CCS Bilgisayar ve ▌leti■im Sistemleri A▐ | Kuzgun Soka≡² | 86 | 1 | A■a≡² Ayranc² | 06540 | 312 | 4409781 | 4408197 | ||
| Ankara | CD 2000 Computer | Strazburg Caddesi | 33 | 3 | S²hh²ye | 06430 | 312 | 2311370 | 2311371 | ||
| Ankara | CD Bilgisayar | ╟evre Soka≡² | 17 | 9 | ╟ankaya | 06680 | 312 | 4685935 | 4367468 | ||
| Bilecik | Cem Bilgisayar | Tevfikbey Caddesi | ╟etinkaya Pasaj² | 33 | 2 | 228 | 2122727 | 2127556 | |||
| ▌stanbul | Cem Elektronik Ltd | Dereboyu Caddesi | 69 | Mecidiyek÷y | 212 | 2129178 | 2127776 | ||||
| ▌stanbul | Cemay D²■ Ticaret Ltd | Ra■it R²za Soka≡² | 4 | 5 | 4 | Mecidiyek÷y | 80310 | 212 | 2118644 | 2111926 | |
| ▌stanbul | Cemner Bilgisayar Ltd | Yolaτ ▌■han² | 36/72 | K²z²ltoprak | 216 | 4180525 | 4180525 | ||||
| Antalya | Cenani Mⁿhendislik | ▌smet Pa■a Caddesi | 5 Seheryerebakan ▌■han² | 2 | 17 | 07040 | 242 | 2426117 | 2436793 | ||
| ▌stanbul | CenNet Bilgisayar ▌leti■im Hizmetleri | Ku■bak²■² Caddesi | A■²ro≡lu Sitesi | 29 | 6 | Altunizade | 81180 | 216 | 4922100 | 4922105 | |
| Bursa | Centa■ A▐ | Gazc²lar Caddesi | Petek Bozkaya ▌■ Merkezi | 113 | 3 | 16220 | 224 | 2509096 | 2538351 | ||
| ▌zmir | Center Bilgisayar Hizm. Koll ▐ti | Atatⁿrk Caddesi | 148 | 3 | Alsancak | 35220 | 232 | 4899740 | 4834318 | ||
| ▌stanbul | Centrum | Nisbetiye Caddesi | Akmerkez | 132 | Etiler | 80630 | 212 | 2820719 | 2820721 | ||
| ▌stanbul | Cerox Copy | Y²ld²z Caddesi | 36/A | Be■ikta■ | 80690 | 212 | 2603864 | 2272232 | |||
| Bursa | Ceylan Elektronik Ltd | Gazc²lar Caddesi | 77/A | 16220 | 224 | 2521657 | 2561378 | ||||
| Batman | Ceylan Ticaret | Diyarbak²r Caddesi | Nas²ro≡lu ▌■ Merkezi | 307 | 3 | 72050 | 488 | 2141424 | 2128426 | ||
| Bursa | Ceysan Ltd | Cemal Nadir Caddesi | 29 | 1 | ╟atalf²r²n | 224 | 2233177 | 2248035 | |||
| ▌stanbul | Chip | Ku■dili Caddesi | U≡ursal ▌■ Merkezi | 53 | 1 | Kad²k÷y | 81010 | 216 | 4186880 | 3483515 | |
| ▌zmir | Chronicle | Hⁿrriyet Bulvar² | 5 | 502 | ╟ankaya | 35220 | 232 | 4455674 | 4455675 | ||
| Ankara | Cihan Ticaret | Bursa Caddesi | 4/A | Nall²han | 06920 | 312 | 7851392 | 7852959 | |||
| ▌stanbul | Cihanser Ltd | Millet Caddesi | Karagⁿl ▌■ Merkezi | 5 | 258 | F²nd²kzade | 34260 | 212 | 5232065 | 5347654 | |
| ▌stanbul | Cim Elektronik Sanayi Ltd | Ba■τavu■ Soka≡² | Yaz²c²o≡lu ▌■han² | 34 | Kad²k÷y | 80010 | 216 | 3383560 | 3386149 | ||
| ▌stanbul | Cimes | Tevfik Erd÷nmez Soka≡² | Gⁿl Apartman² | 2 | 35 | Gayrettepe | 80280 | 212 | 2660367 | 2752570 | |
| ▌stanbul | Cire | Yan²kkap² Soka≡² | Tⁿrkeli Han | 1 | Karak÷y | 80010 | 212 | 2564937 | 2502999 | ||
| ▌stanbul | Cisco Systems Tⁿrkiye | Hatboyu Sokak | Yalτ²nkaya Konut | B Blok | 18 | Erenk÷y | 81060 | 216 | 3571599 | ||
| ▌stanbul | Claris | Ba■τavu■ Soka≡² | Yaz²c²o≡lu ▌■han² | 2-4 | 5 | 73 | Kad²k÷y | 80010 | 216 | 4147232 | 4141322 |
| ▌stanbul | CM Computer Merge Bilgisayar Ltd | H²rka-i ▐erif Caddesi | 5 | 3 | Fatih | 34310 | 212 | 6314792 | 6314792 | ||
| ▌stanbul | CNC Bilgisayar Ltd | Ye■ilτam Soka≡² | Meriτ Konak 2 Apartman² | 4 | 1 | Mecidiyek÷y | 80290 | 212 | 2670634 | 2721157 | |
| ▌stanbul | CNC Bilgisayar Ltd | Gⁿrkan Soka≡² | 1/B | Beykoz | 216 | 3234857 | 3238774 | ||||
| ▌stanbul | Comdesk | ╟uhadara≡a Soka≡² | Sab²r Han | 15 | 2-3 | Kad²k÷y | 81310 | 216 | 3371486 | 3465471 | |
| ▌stanbul | Comedia | Avni Dilligil Soka≡² | 10 | 3 | Mecidiyek÷y | 80300 | 212 | 2885079 | 2760662 | ||
| ▌stanbul | Comel ▌leti■im Elektronik Ltd | Abbasa≡a Soka≡² | 9 | 1 | Be■ikta■ | 80690 | 212 | 2273435 | |||
| ▌stanbul | Comet Ltd | Hⁿsrev Gerede Caddesi | Saydan Apartman² | 102 | 1 | Te■vikiye | 80200 | 212 | 2277990 | 2361312 | |
| ▌stanbul | ComNet ▌leti■im A▐ | Hikaye Soka≡² | 7 | 8 | Esentepe | 80300 | 212 | 2748030 | 2748634 | ||
| ▌stanbul | Compaq Computer A▐ | Emirhan Caddesi | Barbaros Plaza | 145 | 15 | Dikilita■ | 80700 | 212 | 2363236 | 2363242 | |
| ▌stanbul | Compel Bilgisayar Prog. Ltd | ▌zzetpa■a Soka≡² | Ne■e Apartman² | 36 | 9 | ▐i■li | 80260 | 212 | 2345241 | 2402463 | |
| ▌stanbul | Compu Market | Nispetiye Caddesi | 16 | 1 | Levent | 80620 | 212 | 2783386 | 2790916 | ||
| ▌stanbul | Compucom Bilgi ve ▌leti■im A▐ | Eski Bⁿyⁿkdere Caddesi | Sibe ▌■ Merkezi | 35 | 5 | 4 Levent | 80650 | 212 | 2831553 | 2642494 | |
| ▌stanbul | Compugarden Ltd | Yavuztⁿrk Soka≡² | 28 | Kad²k÷y | 81320 | 216 | 4145521 | 4147707 | |||
| ▌stanbul | Compugraph Bilgisayar | Ergenekon Caddesi | Murato≡lu ╟ar■²s² | 83 | 5 | Pangalt² | 212 | 2257722 | 2328947 | ||
| Ni≡de | Compuland Bilgisayar | Merkez ▌■han² Alt² | 19 | 388 | 2326367 | 2326367 | |||||
| ▌stanbul | Compuser Bilgisayar Hizm. Ltd | Denizhan Soka≡² | Ali■ar Binas² | 4 | 2 | 6 | Mecidiyek÷y | 80290 | 212 | 2756438 | 2753869 |
| ▌stanbul | Compusoft Bilgisayar Ltd | ▐ht Niyazi Soka≡² | Erdo≡an Han | 3 | 10 | Mecidiyek÷y | 80290 | 212 | 2750386 | 2726868 | |
| ▌stanbul | Compusys | Marmara Caddesi | 2 Erenler ▌■ Merkezi | 1 | 53 | Avc²lar | 34840 | 212 | 5910157 | 5094363 | |
| ▌stanbul | Computek Bilgisayar | Mⁿhⁿrdar Caddesi | K÷■em Apartman² | 61 | 3 | Kad²k÷y | 81300 | 216 | 3376917 | 3493153 | |
| Ankara | Computek Bilgisayar Ltd | Esat Caddesi | 67 | 30-31 | Kⁿτⁿkesat | 06660 | 312 | 4186229 | 4187443 | ||
| ▌stanbul | Computer Center | Nⁿzhet Efendi Soka≡² | 61/C | Kad²k÷y | 81010 | 216 | 3485989 | 3453440 | |||
| Tekirda≡ | Computer Clinic | Eski Bedesten Soka≡² | 15 | 1-2 | Ertu≡rul Mah | 59100 | 282 | 2615851 | 2615850 | ||
| Ankara | Computer Products Ltd | ╟ankaya Caddesi | 17 | 3 | ╟ankaya | 06650 | 312 | 4364684 | 4367194 | ||
| ▌stanbul | Computer Shop | Sivrita■ Soka≡² | 11/B | Mecidiyek÷y | 80310 | 212 | 2123945 | 2123947 | |||
| ▌stanbul | Computorium | Naci Kas²m Soka≡² | Hikmet ▌■ Merkezi | 1 | 6 | Mecidiyek÷y | 80300 | 212 | 2885606 | 2885635 | |
| ▌stanbul | Comsat ▌leti■im Hizm. A▐ | Haberler Soka≡² | Gazeteciler Sitesi | 11 | 3 | Esentepe | 80300 | 212 | 2122890 | 2122895 | |
| ▌stanbul | Comsis | Kervangeτmez Soka≡² | Dilan Sitesi | 4 | 2 | Mecidiyek÷y | 80310 | 212 | 2753490 | 2672033 | |
| ▌stanbul | Comtec Komⁿnikasyon Tekn. A▐ | Bⁿyⁿkdere Caddesi | 54 | 4 | Mecidiyek÷y | 80290 | 212 | 2743186 | 2758578 | ||
| ▌stanbul | Comtek Bilgisayar | Ba■τavu■ Soka≡² | Yaz²c²o≡lu ▌■han² | 2-4 | Kad²k÷y | 80010 | 216 | 4180330 | 4180331 | ||
| Bursa | Comteks | Cemal Nadir Caddesi | ╟atal Han | 58 | 3 | ╟atalf²r²n | 224 | 2206885 | |||
| ▌zmir | Comteks Ltd | Gaziosmanpa■a Bulvar² | Hilton Center | 29 | Alsancak | 232 | 4416133 | 4410082 | |||
| ▌stanbul | Condor Elektronik Ltd | Eski Osmanl² Soka≡² | 8 | Mecidiyek÷y | 80310 | 212 | 2886547 | 2885226 | |||
| ▌stanbul | Connect Home Market | Recep Peker Caddesi | 40/C | K²z²ltoprak | 81030 | 216 | 3483942 | 3483942 | |||
| ▌stanbul | Connect Home Market | Recep Peker Caddesi | 40/C | K²z²ltoprak | 81030 | 216 | 4146060 | 4146060 | |||
| ▌stanbul | Control Data Bilgi ▌■lem Ltd | Sⁿleymanpa■a Soka≡² | 56 | 4 | Kad²k÷y | 81300 | 216 | 4141840 | 4185872 | ||
| ▌stanbul | Coopers & Lybrand Dan²■manl²k A▐ | Bⁿyⁿkdere Caddesi | 111 | 2 | Gayrettepe | 80300 | 212 | 2752840 | |||
| ▌stanbul | Coptek Mⁿhendislik ve Bilgisayar Hizm. | Ho■sohbet Soka≡² | Seyyare ▌■ Merkezi | 2 | 4 | Esentepe | 80700 | 212 | 2757953 | 2886392 | |
| ▌stanbul | Coretech Bilgi Teknolojisi Hizmetleri | Prof Ali Nihat Tarlan Soka≡² | Kutay Han | 103 | 4 | Bostanc² | 81120 | 216 | 4450040 | 4450036 | |
| ▌stanbul | Cortex Ltd | Dr Cemil Bengⁿ Caddesi | 28 | 3 | ╟a≡layan | 80340 | 212 | 2258041 | 2258043 | ||
| Adana | Cosmos Bilgisayar Ltd | Saydam Caddesi | Televi ▌■ Merkezi | 4 | Seyhan | 322 | 3517030 | 3528475 | |||
| Bal²kesir | Co■kun Ltd | Akτay Asfalt² | 33 | Edremit | 266 | 3733357 | 3736936 | ||||
| ▌stanbul | CPI Computer Ltd | Mⁿhⁿrdar Caddesi | Suna ▌■ Merkezi | 56 | 1 | Kad²k÷y | 81300 | 216 | 3464200 | 3463545 | |
| ▌stanbul | CPI Computer Ltd | Esin Soka≡² | Yazgan ▌■merkezi | 3 | 6 | 13 | Erenk÷y | 81090 | 216 | 3025000 | 3695942 |
| ▌stanbul | CPM Bilgisayar Yaz²l²m ve Donan²m A▐ | ▌zzetpa■a Soka≡² | Da≡l² Han | 31 | 19 | ▐i■li | 80330 | 212 | 2320726 | 2343149 | |
| ▌stanbul | CRC Bilgisayar Ltd | Bⁿyⁿkdere Caddesi | Ejder Apartman² | 63 | 3 | Mecidiyek÷y | 80290 | 212 | 2758340 | 2671284 | |
| Kⁿtahya | Cripton Bilgisayar | Cumhuriyet Caddesi | Nur ▌■han² | 37 | 43030 | 274 | 2166108 | 2241279 | |||
| ▌stanbul | Cromadata ▌leti■im | Ebulula Caddesi | ╟a≡layan Sitesi | 24 | 1 | Levent | 80620 | 212 | 2706652 | 2781750 | |
| ▌stanbul | CSA Bilgi Sistemleri | Abdⁿlezelpa■a Soka≡² | Dⁿndarbey Apartman² | 4 | 15 | Bostanc² | 216 | 3629562 | 3739028 | ||
| ▌stanbul | Cura Bilgisayar | Tⁿtⁿncⁿ Mehmet Efendi Cad | Kemalbey Apartman² | 2 | 18 | G÷ztepe | 81040 | 216 | 4111348 | 4114306 | |
| Ankara | CVS Bilgisayar | YIBA ╟ar■²s² | 203 | 1 | Ulus |