List of top 20 best IT Software Companies in India-Year 2012-13 : Fastest growing Software companies in India

Top Software Companies in India - Best IT software companies in India-2012-2013 : India is one of the best destinations in the world around for IT-enabled services. India boast of many reputed Information Technology (IT) and software companies that have crossed the boundaries and they are providing IT and software related services to several top-notch Fortune 500 companies globally. India has become a hub place for IT and Software related services. The IT companies listed in this 'top 20 best IT companies' list confirm the same story with a common vision to deliver the best IT services to India and to rest of the world.
Please Note-This Top 20 best IT companies list is comprised of the rankings released by renowned org. National Association of Software and Service Companies (NASSCOM) for the year 2011-12. IT Industry ratings, reviews of top 20 IT and software companies by Nasscom for year 2012-13 are still due.
#1 Tata Consultancy Services Ltd
TCS is a leading Indian IT and software company and it also deals mainly in services relating to business solutions and BPO & IT outsourcing.
TCS is Asia's largest IT service provider and IT Services exporter and has 142 branches in as many as 47 countries globally .
TCS is also ranked at 21 in the list of global IT services ranking of service providers and with its market cap reaching $ 52 billions makes TCS surely one of the biggest IT companies in the world.
TCS currently employes 200,300 ( as of april 2011) and to extend its services and operations globally, TCS is planning to hire 50000 associates in 2012-13
#2 Infosys Technologies Limited

Infosys mainly offers software products services to the banking industry and deals in business process management services relating to end-to-end business solutions.
Infosys also got a mention by Forbes magazine as one among the Global High Performers as well as Infosys is also ranked 28th globally as an IT Service provider ..
#3 Wipro Technologies Limited

WIPRO has emerged as a global brand and it's a pioneer indian company, mainly now dealing in Business Process Outsourcing, IT and Software services.
Wipro employees almost 122,385 people globally ( including it's all subsidiaries).
WIPRO- Other divisional companies:
Wipro Consumer Care & Lighting
Wipro EcoEnergy
Wipro Infrastructure Engineering
Wipro GE Medical Systems Limited
#4 HCL Technologies Limited

HCL initially was focused on Computer manufacturing and IT hardware markets but after 1996 it shifted its focus towards IT and BPO services and presently HCL is among India's very reputed and renowned IT and Hardware companies..
HCL Revenue increases US $ 5.9 billion (2011)
Employees : 80,000 (2011)
#5 Mahindra Satyam
IT Services offered by mahindra Satyam:
- Mainly Mahindra satyam offers BPO services to its local as well as foreign clients in the domain of IT and consulting.
- Cloud computing, Enterprise Architecture, and Digital Convergence.
- Enterprise Mobility, Green and Sustainability Solutions, Infrastructure Management Services, Microsoft Solutions, Integrated Engineering Solutions, Operations Management.
- Platform Solutions, SAP Solutions, Spend Management Solutions.
#6 Tech Mahindra Limited
According to NASSCOM, Tech Mahindra is 5th Largest IT and Software exporter of the country and according to 'Voice & Data' TechM is the No.1 Telecom Software Provider in India for the year 2009-10.
Tech Mahindra mainly deals in Telecom Software & Solutions and it employes 33,524 people worldwide.
Tech Mahindra's Subsidiaries :
Tech Mahindra (Americas) Inc..
Tech Mahindra GmbH.
Tech Mahindra (Singapore) Pte. Ltd.
Tech Mahindra (R & D Services) Ltd.
Tech Mahindra (Thailand ) Ltd.
PT Tech Mahindra Indonesia.
#7 MphasiS Limited
Mphasis is a prestigious IT company Ranked 6th position among top 20 IT companies in India by NASSCOM with more than 38,000 employees in 29 offices in 14 countries with delivery centers in India, Sri Lanka, China, North America and Europe. It's headquartered in Bangalore, India.
Mphasiss Net Income increased US$185.79 million during financial year 2009-10.
MphasiS Corporation
Eldorado Computing Inc.
BFL Software Asia Pacific Pte Limited
MphasiS Consulting Limited
MphasiS FinsourcE Limited
MphasiS Software & Services (India) Private Limited
MsourcE (India) Private Limited
MphasiS Infrastructure Services Inc.
#8 Patni Computer Systems Ltd

Initially Patni Computers was started in the name of Data Conversion Inc in 1972 by Narendra Patni, its founder.Patni Computer System Ltd was acquired by its major shareholder iGate in 10th January 2011 and now the company is known as iGate Patni.
iGate Patni's astounding growth story can be understood by the fact that it had only an 80-crore revenue in 1996 that reached to 656 million USD till 2009.
iGate Patni employes 17,642 people and has 23 global offices across the Americas, Europe, and Asia-Pacific.
Patni Knowledge Park-
Patni built its ambitious project Patni Knowledge Park in Navi Mumbai and it has been marked as the second largest Platinum rated building in the world.
Patni Knowledge Park, Airoli, Navi Mumbai ( India)
#9 Larsen &Toubro Infotech Ltd
L&T Infotech was founded in 1997 and now it employes 14,468 people as of march 2011-It is one among the famous and reputed Top IT and software companies in India.
L&T Subsidiaries :
Larsen & Toubro Infotech GmbH
Larsen & Toubro Infotech Canada
GDA Technologies Inc.
GDA Technologies Limited
Larsen & Toubro Infotech LLC
Larsen & Toubro Infotech Financial Services Technologies Inc.
SERVICES Include:
Information technology services, BPO and solutions.
Infrastructure Management Services.
IT Consulting.
ERP Services.
#10 CSC India Private Ltd
CSC mainly deals in IT services and IT consulting sector and it started operating in India in 1991 and it's headquartered in Chennai, India.
CSC is among the very renowned IT software companies in India and it has it's offices in 7 cities in India- Noida, Indore, Hyderabad, Chennai, Mumbai, Bangalore and Vadodara, and it employs more than 20,000 people globally.
CSC -It was started by two men, a hundred dollars, and a dream !