| Name | Country | Market Cap (US$) |
|---|
| Csc Ploenzke Ag | Germany | Private |
| CSC TECHNOLOGY SERVICES PTY LTD | Australia | Private |
| CSE CONSORZIO SERVIZI BANCARI SOC CONSORTILE ARL | Italy | Private |
| Csg Systems, Inc | United States | Private |
| CSK Communications Corporation | Japan | Private |
| CSK COMMUNICATIONS CORPORATION | Japan | Private |
| CSK Network Systems Corporation | Japan | Private |
| Cssi The Support Group Inc | United States | Private |
| CST CENTRO SERVIZI TORO SPA | Italy | Private |
| CST, K.K. | Japan | Private |
| CSW Group Ltd. | United Kingdom | Private |
| CTBC Data Net Telecomunicaçoes S/A. | Brazil | Private |
| CTC BUSINESS SERVICE CORPORATION. | Japan | Private |
| CTIS Informática Ltda. | Brazil | Private |
| CUP 2000 SPA | Italy | Private |
| Customax | Norway | Private |
| CustomerAsset | India | Private |
| CUYBER SOFT CO., LTD. | Taiwan | Private |
| CVF | France | Private |
| CX INFONET CO.,LTD. | Japan | Private |
| Cyber Merchants Exchange Inc | United States | Private |
| Cyberbills, Inc. | United States | Private |
| Cybershop.Com, Inc. | United States | Private |
| CyberStarts, Inc. | United States | Private |
| Cyberwize.Com, Inc | United States | Private |
| Cylex, Inc. | United States | Private |
| Cymbal Corporation | United States | Private |
| D & B DATA HOUSE SRL | Italy | Private |
| D P P International Ltd | United Kingdom | Private |
| D S K, K.K. | Japan | Private |
| D-CREATE INC. | Japan | Private |
| DAIHATSU-TECHNER CO., LTD. | Japan | Private |
| DAIICHI AD SYSTEM CO.,LTD. | Japan | Private |
| DAIMARU INFORMATION CENTER CO.,LTD. | Japan | Private |
| DaimlerChrysler Consult Graz GmbH | Austria | Private |
| Daitec Co., Ltd. | Japan | Private |
| DangDang | China | Private |
| DATA BUSINESS SUPPLY CORPORATION | Japan | Private |
| Data Computer Corporation Of America | United States | Private |
| Data Control Com e Serviços Em Informática Ltda | Brazil | Private |
| Data Conversion Service SA | Switzerland | Private |
| Data Entry & Informational Services, Inc. | United States | Private |
| Data Industries Ltd | United States | Private |
| DATA LOGIC SL | Spain | Private |
| DATA PLAS, K.K. | Japan | Private |
| Data Transmission Network Corporation | United States | Private |
| Data-Tronics Corp | United States | Private |
| Databank Imx, Llc | United States | Private |
| Datacolor, Inc. | United States | Private |
| Datacom Sciences, Inc | United States | Private |
| DATACRAFT (SINGAPORE) PTE LTD | Singapore | Private |
| Datafar Processamento de Dados Ltda | Brazil | Private |
| Datagroup Ltd | United Kingdom | Private |
| DATALECT GROUP LTD | United Kingdom | Private |
| Datalex Communications Usa Inc | United States | Private |
| Datamatics Technologies Inc | United States | Private |
| Datamec S/A Sistemas e Processamento de Dados | Brazil | Private |
| Datapoint (U K) Ltd | United Kingdom | Private |
| Dataprise, Inc. | United States | Private |
| Datarutin AB | Sweden | Private |
| Datex-Perfekt Gesellschaft fuer professionelle Datenerfassung un | Germany | Private |
| Daugherty Systems, Inc | United States | Private |
| Daycom Systems, Inc | United States | Private |
| DB Professionals, Inc. | United States | Private |
| DBA Engenharia de Sistemas Ltda. | Brazil | Private |
| DDG Gesellschaft für Verkehrsdaten mbH | Germany | Private |
| De Telefoongids B.V. | Netherlands | Private |
| Dealogic Limited | Hong Kong | Private |
| Dealtime.com, Inc. | Israel | Private |
| Dell Corporation Ltd | United Kingdom | Private |
| Dell Products (Europe) B.V. | Netherlands | Private |
| Delphis (Holdings) Ltd | United Kingdom | Private |
| DELPHIS CONSULTING LTD | United Kingdom | Private |
| Delta Computec, Incorporated | United States | Private |
| Delta Computer Consulting (Inc) | United States | Private |
| Deltadata, Inc | United States | Private |
| Demand Media Inc. | United States | Private |
| DemandStar.com, Inc. | United States | Private |
| Demasiado Holdings Corporation | United States | Private |
| Demon Internet Ltd | United Kingdom | Private |
| DENSA TECHNO, K.K. | Japan | Private |
| DENSAN CO.,LTD. | Japan | Private |
| DENSAN, K.K. | Japan | Private |
| DENTSU RESEARCH INC. | Japan | Private |
| DEPAU SISTEMAS S.L. | Spain | Private |
| Deposit Payment Protection Services Inc | United States | Private |
| Derivion Corporation | United States | Private |
| Derwent Inc | United States | Private |
| Deutsche Börse Systems AG | Germany | Private |
| Deutsche Sparkassen Datendienste GmbH | Germany | Private |
| Deutsche Telekom Training GmbH | Germany | Private |
| Deutsches Baurechenzentrum GmbH EDV-Service + Software | Germany | Private |
| Devote NV | Netherlands | Private |
| Dgw Datennetze Gmbh | Germany | Private |
| DHL Information Services (Europe) s.r.o. | Czech Republic | Private |
| DIAGONAL CONSULTING LTD | United Kingdom | Private |
| Dial NXT Group AB | Sweden | Private |
| Dialout.Net, Inc. | United States | Private |
| Dibon Solutions Inc | United States | Private |
| DIC INFORMATION SERVICE CO.,LTD. | Japan | Private |
|
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