ASIC and VLSI design companies in India

I've listed all semiconductor companies in India registered with India Semiconductor Assosiation. I got this list from ISA itself. You can visit their page to get updated list.

• Alcatel Vacuum Technology India
• Altera Semiconductor (I) Pvt. Ltd.
• AMD
• Analog Devices (I) Pvt Ltd
• Apache Design Solutions Pvt. Ltd.
• Applied Materials (I) Pvt. Ltd.
• ARM Embedded Technologies Pvt. Ltd.
• Atrenta (I) Pvt Ltd
• Beceem Communications Pvt. Ltd.
• Bharat Electronics Limited
• Bluespec Design Technologies Pvt.Ltd
• Broadcom (I) Pvt. Ltd.
• Cadence Design Systems (I) Pvt. Ltd.
• Calypto Design Systems
• Cellworks Research (I) Pvt. Ltd.
• ChipTest Labs (I) Ltd.
• Circuitsutra Technologies Pvt. Ltd.
• Cir-Q-Tech Tako Technologies Pvt. Ltd.
• CMC Ltd.
• Conexant Systems (I) Pvt. Ltd.
• Cortina Network Systems Pvt. Ltd.
• Cosmic Circuits Pvt. Ltd.
• CoWare India Pvt. Ltd.
• Cypress Semiconductor Technology India Pvt. Ltd.
• Denali Design Systems Pvt. Ltd.
• EDWARDS (I) Pvt Ltd
• eInfochips Ltd.
• Embedded IT Solutions (I) Pvt. Ltd
• EVE Design Automation Pvt. Ltd.
• Evolve Technologies & Services Pvt Ltd
• Fabtech Technologies International Pvt Ltd
• Farnell Electronics India Pvt Ltd
• Four-C-Tron
• Freescale Semiconductor (I) Pvt. Ltd.
• Genexx Enpower Corp. Pvt Ltd
• HCL Technologies Ltd.
• Hughes Systique India Pvt. Ltd.
• IBIDEN Singapore Pte. Ltd.
• IBM (I) Private Limited
• Imagination Technologies (I) Private Ltd
• Indosolar Limited
• Indrion Technologies (I) Pvt. Ltd.
• IndusEdge Innovations Pvt. Ltd.
• InfineonTechnologies India Pvt. Ltd.
• InSilica Semiconductors (I) Pvt. Ltd.
• Infinity Infotech Parks Ltd
• Infotech Enterprises Ltd
• Intel India Technology Pvt. Ltd.
• International Institute of Information Technology, Bangalore
• International Institute of Information Technology-Pune
• Intersil Analog Service Pvt.Ltd.
• Ittiam Systems Pvt. Ltd.
• Kacper Technologies Pvt. Ltd.
• Kasura Technologies Private Limited
• KLA Tencor Software (I) Pvt. Ltd.
• Kawasaki Microelectronics Inc. India
• KPIT Cummins Infosystems Limited
• KTwo Technology Solutions
• Larsen & Toubro Limited
• Lovely Professional University
• LSI Research (I) Pvt. Ltd.
• Magma Design Automation (I) Pvt. Ltd.
• Majmudar & Co International Lawyers.
• Mandate Chips and Circuits Pvt Ltd
• Marvell Semiconductor (I) Pvt. Ltd.
• Manthan Semiconductors Pvt Ltd
• Mentor Graphics (I) Pvt. Ltd.
• Microchip Technology (I) Pvt. Ltd.
• Mindtree Ltd.
• Moschip Semiconductor Technology Ltd.
• Moser Baer (I) Ltd.
• MSPL Limited
• Natsem (I) Designs Pvt. Ltd.
• NCS Renewable Energies Limited
• NEC Electronics Singapore Pve. Ltd.
• National Instruments India
• National Institute of Science and Technology
• Novellus Systems (I) Pvt. Ltd.
• NXP Semiconductors (I) Pvt. Ltd.
• Ojas Advisory Services Private Limited
• Open-Silicon Research Pvt. Ltd.
• PathPartner Technology Consulting Pvt. Ltd.
• Patni Computer Systems Limited
• PES Institute of Technology (PESIT)
• PMC - Sierra (I) Pvt. Ltd.
• Processor Systems (I) Pvt. Ltd - (ProcSys)
• PRO Logistics (I) Ltd
• Qlogic India Pvt Ltd
• QUALCOMM (I) Pvt. Ltd.
• Rambus Chip Technologies (I) Pvt. Ltd.
• Samsung (I) Software Operations Pvt. Ltd.
• SanDisk India Device Design Centre Pvt. Ltd.
• Sankalp Semiconductor Pvt. Ltd.
• Sasken Communication Technologies Ltd
• SemIndia Systems
• Sequoia Capital India Advisors Pvt. Ltd.
• Signet Solar Inc.
• SiRF Technology (I) Pvt Ltd
• Smartplay Technologies Pvt. Ltd.
• SoftJin Technologies Pvt. Ltd.
• Solar Semiconductor Pvt Ltd
• SPEL Semiconductor Limited.
• STMicroelectronics Pvt. Ltd.
• Synfora (I) Engineering Center Pvt Ltd
• Synopsys (I) Pvt. Ltd.
• Tensilica Technologies (I) Pvt. Ltd.
• Tessolve Services Pvt. Ltd.
• Texas Instruments (I) Pvt. Ltd.
• TranSwitch (I) Pvt. Ltd.
• Taiwan Semiconductor Manufacturing Company Ltd. (TSMC)
• Velankani Renewable Energy Pvt. Ltd.
• Vikram Solar Pvt. Ltd.
• Virage Logic International
• Vitesse Semiconductor (I) Pvt. Ltd.
• VVDN Technologies Pvt. Ltd
• Waaree Energies Pvt Ltd
• Webel SL Energy Systems Ltd.
• Wind River Systems International Inc
• Wipro Technologies
• Xilinx (I) Technology Services Pvt. Ltd.