In the diversified economic foundation, software service has gained a major ground in the Chennai's economy. The late 1990s, witnessed the birth of business process outsourcing and software development and within few years there was a prominent squirt of outgrowth in the number and magnitude of the software industries in the city.

This in turn created a great impact on the city's economy. Chennai is now one of the important software center of India. Cheap IT labor is one of the main fact that has attracted multitude of multi-billion-rupee foreign software companies such as Microsoft to establish their business in the city as well as in other software centers of India like Bangalore, Hyderabad, Kolkata, and Delhi making the country a booming software exporter worldwide.

Major software companies in Chennai are like Cognizant Technology Solutions, Accenture, CSC,Satyam, EDS, HP, HCL, Infosys, IBM, Sun Microsystems, Symantec, Verizon TCS and Wipro. At present Chennai is the second largest exporter of IT and IT enabled Services in India next to the Silicon Valley.

The city is a hub of a number of technological park and promises the employment of nearly 3,00,000 people.

Here is a list of few major software companies in Chennai with their addresses and contact informations.

Apcom Computers Ltd.
79 Chamiers Road,
Chennai 600 028.
Phone: 4323558 Fax: 4347051
Internet: www.apcomgroup.com
Accel India
177, SFI Complex, V.K. High Road
Chennai 600 034
Phone: 8276285, 8258658
Fax: 8272461
Internet: www.accel-india.com
American Power Conversion
5A Century Plaza, 560 Anna Salai
Chennai 600 018
Phone: 4331124 Fax: 4341464
Internet: www.apcc.com
Cognizant Technology Solutions (India) Ltd.
38 Whites Road, III Floor
Chennai 600 014
Phone: 8585938, 8585939
Internet:www.cts-corp.com/www.netolutions.com
DSQ Software Ltd.
GR Complex, 407-408, Anna Salai, Nandanam
Chennai 600 035
Fax: 4330333
Internet: www.dsqsoft.com
Complete Business Solutions (India) Ltd.
Unit 13, Block 2, SDF Buildings, MEPZ, Tambaram
Chennai 600 045
Phone: 2368080, 2366740, 2367242
Epson Singapore Pte Ltd.
7C, Century Plaza, 560 Anna Salai
Madras 600 018
Phone: 4346841, 4346846, 4348053
Fax: 4344509
HTC Software Development Centre
Unit 31, SDF II, Phase II, MEPZ Tambaram
Chennai 600 045
Phone: 2363522, 2405044, 2405064, 2405074, 2405094
Fax: 2367713 Internet: www.htcinc.com

Maars Software International Ltd.
106/12, Habibullah Road, T. Nagar
Chennai 600 017
Phone: 8241902, 8241903, 8241923 Fax: 8241895
Internet: www.maars-soft.com
Icom Technologies (India) Pvt. Ltd.
963, Crescent Court, Poonamallee High Road
Chennai 600 084
Phone: 6427812, 6401934, 6402864
Internet: www.icomventure.com
SIP Technologies and Exports Ltd.
G 4, Elnet Software City, Taramani
Chennai 600 113
Phone: 2354473, 2354474
Polaris Software Labs Ltd.
Polaris House, 713, Anna Salai
Chennai 600 006
Phone: 8524154 Fax: 8523280
Internet: www.polaris.co.in
Pentafour Communication Ltd.
Taurus, 25, 1st Main Road, United India Colony
Chennai 600 024
Phone: 4803898, 4803899, 4803900, 4803902
Fax: 4726042
Internet: www.pentafour.com/pcl
SRA Systems Ltd.
Sundaram Salai (Pughs Road), Raja Annamalaipuram
Chennai 600 028
Phone: 4359207, 4353738, 4354881, 4349059
Fax: 4348879
Internet: www.srasys.com
Soffia Software Ltd.
'Rhythems Arcade', 168 Eldams Road,
Chennai 600 018
Phone: 4328395, 4328398 Fax: 4328399

Last Updated on 11/2/2011