| C-C-C Techno |
| C-Net Technology |
| C2C Systems |
| C2K Technology Group |
| C2NET International |
| C2Net Software, Inc. |
| Cabletron Systems |
| CacheFlow Inc. |
| CACI Products |
| Cactus International, Inc |
| Cadence Design Systems, Inc. |
| CADIS |
| CadSoft Computer GmbH |
| CADSOFT Corp. |
| Cadvance |
| Caere Corporation |
| CalComp Technology, Inc. |
| Caldera Systems Inc |
| Calico Technology
Inc. |
| Caligari Corporation |
| CallWare Technologies |
| CambridgeSoft Corporation |
| Cameo Communications, Inc. |
| Camros Corporation |
| Candle Corporation |
| Canoga Perkins |
| Canon U.S.A., Inc |
| Canon (France) |
| Canon
(UK) Ltd |
| Canopus Corporation |
| Canto Software |
| Capsoft Development |
| Carbon Based Software |
| Cardbox Software Limited |
| Cardiff Software |
| Cardinal Technologies, Inc |
| CARIS - Universal Systems Ltd. |
| Casady & Greene, Inc. |
| Casahl Technology Inc |
| Case Technology Ltd |
| Caseware |
| Casio |
| CAST |
| Castelle |
| Catalyst Development
Corporation |
| Catalyst Systems Corporation |
| Catapult,, an IBM company |
| Cayman Systems, Inc |
| CBT Systems |
| CCH
Inc. |
| CDB Software, Inc. |
| CDML Computer Services,
Ltd. |
| The CDS Group |
| CE Software, Inc. |
| CEL Corp. |
| Centerfield
Technology, Inc. |
| CenterLine
Development Systems, Inc. |
| Centerprise
International |
| Centigram
Communications Corporation |
| Centon Electronics, Inc. |
| Centra Software Inc |
| Centrepoint Technologies |
| Centura Software
Corporation |
| Century Software |
| CeQuadrat (USA), Inc. |
| Cerious Software |
| CH Products |
| Chaintech Computer
Co Ltd |
| Chancery Software Ltd. |
| Changepoint Corporation |
| ChannelWave
Software, Inc |
| Chaparral Network Storage
Inc. |
| Cheetah Software Systems. Inc. |
| Chelston Software Ltd |
| Chem USA Corp |
| Chi Corporation |
| Chia Shin Technology
Corporation |
| Chicago Map
Corporation |
| Chloride Electronics |
| Chrystal Software |
| CIA UK |
| Ciena Corporation |
| Cincom Systems Inc |
| CINECOM Corporation |
| Ciprico Inc |
| Cirque Corporation |
| Cirrus Logic |
| Cisco
Systems Inc. |
| Citizen America
Corporation |
| Citizen Systems and Peripherals Europe |
| Citrix Systems, Inc. |
| ClarisWeb |
| Clary Corporation |
| Clear Software Inc (SPSS) |
| Clear & Simple, Inc. |
| ClickNet USA |
| CMD Technology, Inc. |
| CNet Technology UK Ltd. |
| CNF, Inc. |
| CNT International |
| Cobalt Networks, Inc. |
| CogniSoft Limited |
| Cognitive Technology
Corporation |
| Cognos Inc |
| Coherent Systems Corp |
| Colorgraphic Communications
Corporation |
| ColorSpan Corporation |
| Columbia Data Products, Inc. |
| COM2001 Technologies, Inc. |
| COM21, Inc. |
| Combined
Computer Resources, Inc. |
| Command Software
Systems Inc. |
| Commence Corp. |
| Communication Horizons LLC |
| Communication Intelligence Corporation (CIC) |
| Compaq Computer Ltd (UK) |
| Compaq Computers |
| Compatible Systems Corporation |
| Compex, Inc. |
| CompInfo Inc |
| Complex Imaging Systems,
Inc. |
| CompuAdd Computer Group |
| Computer Access Technology Corp. (CATC) |
| Computer
Aided Design Ulm GmbH |
| Computer Associates International, Inc |
| Computer Data Strategies Inc. |
| Computer Mail Services, Inc. |
| Computer Sentry Software, Inc. |
| Computer Technology Link
Corporation |
| ComputerBoards |
| Computhink, Inc. |
| Computone Corporation |
| Computron Software,
Inc. |
| Compuware Corporation |
| Compuware NuMega |
| Comshare |
| Comtrade Computer |
| Comtrol Corporation |
| Concentric
Network Corporation |
| Concurrent Computer
Corporation |
| Conexant Systems Inc. |
| Confluent Inc |
| Connected |
| Connectix Corporation |
| Connector Resources Unlimited, Inc |
| Consensys Corp |
| Contec Microelectronics USA,
Inc. |
| Contigo Software, Inc. |
| Continuus Software
Corporation |
| Contour Design Inc |
| Control Data Systems, Inc. |
| Control Technology
Corporation |
| Convex (HP) |
| Copernic Technologies Inc. |
| Copia International Ltd |
| Copper Mountain Networks,
Inc. |
| Core Software
Inc |
| Core Technology
Corporation |
| Coreco Inc. |
| Corel Corporation |
| Corex Technologies
Corporation |
| Cornerstone
Peripherals Technology, Inc |
| CorVu Corporation |
| CoStar Corporation |
| Cougar Mountain Software |
| CR Systems Corp. |
| Creative Labs Europe |
| Creative Software Systems Inc. |
| Creatix Polymedia Gesellschaft
für Kommunikationssysteme mbH |
| Cristie
Electronics Ltd |
| Criterion Software Ltd. |
| Cross Communications, Inc. |
| CrossTec Corp. |
| CSP AG |
| CSS Laboratories, Inc. |
| CTX International Inc. |
| CTX Opto Inc. |
| Cubix Corporation |
| Cutting Edge Bridgette, Inc. |
| Cutting Edge Software, Inc. |
| Cybec |
| CyberCash Inc |
| CyberGuard Corporation |
| CyberMax Computer Inc.
(Fountain) |
| CyberSafe Corporation |
| Cybertal Industries Ltd. |
| Cybex
Computer Products Corporation |
| Cyclades Corporation |
| Cycore |
| Cygnet Storage Solutions, Inc. |
| Cygnus Solutions |
| Cypress
Semiconductor Corporation |
| Cyrano SA |
| Cyrix Corporation |
