Some of the famous IT companies, their origin and Domain are given,
| Name | Country of Origin | Domain |
|---|---|---|
| Accenture | USA | IT services, Consulting and Outsourcing |
| Accord Software and Systems | India | GPS, Aerospace, Enterprise Applications Software |
| ACS | USA | IT Services |
| Adaptec | USA | Semiconductor |
| Adobe | USA | Product Development |
| Aditi Technologies | India | Product Development |
| Agere Systems | USA | Semiconductors |
| Agile | USA | Product Lifecycle Management |
| Airvana | USA | Telecom Products |
| Akamai Technologies | USA | Internet software & Services |
| Amazon | USA | Web Applications |
| AMD | USA | Semiconductors |
| Analog Devices | USA | Semiconductors, DSP |
| AOL Online | USA | Web-based business |
| Applied Materials | USA | Semiconductor Manufacturing Equipment |
| Ariba | USA | Spend Management Software |
| Aricent (formerly Flextronics Software Systems) | India | Telecom Software |
| ARM | UK | Semiconductors |
| Ashok Leyland Information Technology | India | Automotive Domain Software |
| ANZ IT | Australia | Banking Software |
| Autodesk | USA | Digital Content Creation Software |
| Axentis | USA | GRC Software |
| Bearing Point | USA | IT Consulting |
| Bally Technologies | USA | Casino Products |
| Bixee | India | Web Applications |
| Broadcom | USA | Semiconductors |
| Bosch | Germany | Automotive Software |
| BusinessOne Technologies | USA,India | Product Development (Managed care) |
| Cadence Design Systems | USA | EDA tools |
| Capco | Belgium | Financial Software |
| Capgemini | France | IT services, Consulting and Product Development |
| Caritor Inc. | US | IT services, Consulting |
| Caterpillar | US | Embedded Systems |
| Cerner | USA | Medical Software |
| CGI Information Systems | Canada | IT services and Consulting |
| Cisco Systems | USA | Networking Equipment |
| Citrix | USA | Software, Networking Research and Development |
| Consona Corporation | USA | CRM, ERP, Progress, Knowledge Management |
| Conexant | USA | Semiconductors |
| Covansys | USA | Product Development |
| Cranes Software | India | Mathematical Software Tools |
| Creative India Software Center | Singapore | Product Development |
| Cúram Software | Ireland | Social Enterprise Management Software |
| Cypress Semiconductor | USA | Semiconductors |
| Dallas Semiconductor | USA | Semiconductors |
| Dell | US | Various Services |
| Delphi | USA | Automotive Software |
| EMC2 | USA | Information Infrastructure Software, Hardware, and Services |
| Fair Isaac | USA | Credit Rating Software |
| Fidelity Investments | USA | Financial Services |
| First American Corporation | USA | Insurance & Financial Services |
| Foundry Networks | USA | High Performance Switches and Routers for Enterprises and Service Providers |
| Freescale Semiconductors | USA | Semiconductors |
| GCI | USA | IT Services |
| GE R&D | USA | Various |
| GM | USA | Automobile Design Software |
| Geometric Software | India | Engineering Domain Software |
| Goldman Sachs | USA | Financial Consulting and Investment Banking |
| USA | Web Applications | |
| Guruji.com | India | Product Development: Search Engine-Web, City, and Indian Language Search |
| HCL Technologies | India | IT Services |
| HP | USA | IT services, Consulting and Product Development |
| Huawei Technologies | China | Networking and Telecom Equipment |
| Honeywell | USA | Avionics software, Automation Control Solutions, Specialty Material, Transportation Systems |
| i2 Technologies | USA | SCM Software |
| IBM | USA | IT services, Consulting and Product Development |
| IBS Software | India | Travel, Transportation and Logistics Products and Software Services |
| iflex | India | Banking Software and IT services. |
| iGate | India | IT Services |
| Ikanos Communications | USA | Semiconductors |
| Infineon Technologies | Germany | Semiconductors |
| Infosys Technologies | India | IT services and Consulting |
| Intel | USA | Semiconductors |
| Intelligroup | India | IT services and Consulting |
| Interwoven | USA | Product development for Content Management Software |
| iPass | USA | Wireless security, dial-up, ISDN, PHS access points and Ethernet or Wi-Fi hotspot |
| Ittiam Systems | India | DSP |
| JPMorgan Chase | USA | Financial Services |
| JKT | India | IT services, Consulting and Outsourcing |
| Juniper Networks | USA | Networking Equipment |
| Kyocera | Japan | CDMA mobile development center and Networking Equipment |
| LG | South Korea | Consumer Electronics |
| Logica CMG | UK | IT Consulting |
| LSI Logic | USA | SemiConductors,Storage, Consumer Elec |
| Lucent Technologies | USA | Networking and Telecom Equipment |
| Magma Design Automation | USA | Electronic Design and Automation tools |
| Management Dynamics Inc | USA | Supply Chain and Global Trade software |
| Manhattan Associates | USA | Supply Chain products |
| Marvell Semiconductors | USA | Semiconductors |
| McAfee | USA | Anti-virus software |
| MIAC: Mortgage Industry Advisory Corp | USA | Mortgage Analytical Pricing & Hedging software models, mortgage banking asset/liability solutions, secondary market hedge advisory solutions |
| Microchip Technology | USA | Semiconductors |
| Microsoft | USA | Product Development |
| Mphasis-an EDS company | India | IT services and Consulting |
| Motorola | USA | Networking and Telecom Equipment |
| National Instruments | USA | Test and Measurement Instruments |
| National Semiconductor | USA | Semiconductors |
| NetApp | USA | Storage Domain Software |
| NOKIA | Finland | Telecom |
| Novell | USA | Infrastructure Softwares |
| nVIDIA | USA | Semiconductors |
| NXP | Netherlands | Semiconductors |
| Oracle | USA | Database Products |
| Patni Computer Systems | India | IT Services |
| Philips | Netherlands, UK | Consumer Electronics |
| PMC-Sierra | USA | Semiconductors |
| Quadwave Consulting | India | Information technology services and Consulting. |
| Qualcomm | USA | Semiconductors |
| Qwest | USA | Telecom/IT |
| Rambus | USA | Semiconductors |
| Samsung India Software Operations | South Korea | Consumer Electronics, Telecommunications, Networking solutions & Semiconductor |
| SanDisk India | USA | R & D, Application Engineering, Product Marketing |
| Sanyo | Japan | Consumer Electronics |
| SAP | Germany | ERP, CRM Product Development |
| Sapient | USA | IT services, Consulting and Product Development |
| Sasken | India | Telecom Software |
| Satyam Computer Services | India | IT services and Consulting |
| Siemens | Germany | Consumer Electronics & Medical Electronics |
| Sobha Renaissance Information Technology | India | Healthcare, Telecom,Enterprise and IT Services |
| Societe Generale Software | France | Banking Software |
| Sonata Software | India | IT Services |
| Sony | Japan | Consumer Electronics |
| Sterling Commerce | USA | SCM, EDI, EAI Product Development |
| STMicroelectronics | France, Italy | Semiconductors |
| Subex | India | Telecom Software Products |
| Sun Microsystems | USA | Product Development |
| SunGard Offshore Services | USA | Financial Services, Higher Education |
| Symbol Technologies | US | Telecom Products |
| Synopsys | USA | Electronic Design and Automation tools |
| Synplicity | USA | Electronic Design and Automation tools |
| Symbian Ltd. | UK | Mobile Operating System |
| Tata Consultancy Services | India | IT services and Consulting |
| Tata Elxsi | India | Embedded Systems |
| Tech Mahindra | India | IT Services and Telecom Solutions |
| Telelogic | Sweden | Enterprise Lifecycle Management Solutions |
| Texas Instruments | USA | Semiconductors |
| ThoughtWorks | USA | Product Development |
| Trilogy | USA | Decision Making Software |
| Unisys | USA | Data Management |
| UTStarcom | China | Networking and Telecom Equipment |
| Verizon | USA | Telecom Domain |
| Wipro Technologies | India | IT services and Consulting |
| webMethods | USA | Product Development |
| Yahoo | USA | Web Applications |
| Zilog | USA | Semiconductors |
| Perot Systems | USA | IT services and Consulting |
| Sabre Holdings | USA | Travel Technology |
| Dassault Systèmes | France | PLM Software |