Here are the top 10 IT companies in India that became game-changer:

1.Tata Consultancy Service(TCS)

Revenue: Rs 161,541 CrMarket Cap: Rs 845,337 Cr.Employees: 440,000ROE: 35.98 %Sales Growth (3Yrs): 10.47 %Promoter holding: 72.05 %Headquarters: Mumbai, MaharashtraFounder: Tata Sons

Tata consultancy service is the largest multi-national IT Company in India. Line of services:

Application development and maintenance (43.80%) value;Asset leverage solutions (2.70%);Assurance services (7.70%);Business process outsourcing (12.50%);Consulting (2.00%);Engineering and Industrial services (4.60%);Enterprise solution (15.21%)IT infrastructure services (11.50%)Cognitive Business OperationsCloud InfrastructureAutomation and AI

2.Infosys

Revenue: Rs 91,000 CrMarket Cap: Rs  282,028 Cr.Employees: 242,000ROE: 23.50 %Sales Growth (3Yrs): 9.81 %Promoter holding: 13.15 %Headquarters: Bangalore, KarnatakaFounders: N R Narayana Murthy, Nandan Nilekani, S Gopalakrishnan, S. D. Shibulal, K. Dinesh, N. S. Raghavan, Ashok Arora

Infosys is founded by seven engineers that are currently the second-largest IT Company in India. Line of services:

NIA – Next Generation Integrated AI Platform (formerly known as Mana)Infosys Consulting – a global management consulting serviceInfosys Information Platform (IIP) – Analytics platformEdgeVerve Systems, which includes Finacle, a global banking platformPanaya Cloud SuiteSkavaEngineering ServicesDigital Marketing

3.HCL Technologies

Revenue: Rs 71,265 CrMarket Cap: Rs 153,370 Cr.Employees: 1,50,000ROE: 25.76 %Sales Growth (3Yrs): 24.74 %Promoter holding: 60.00 %Headquarters: Noida, UPFounder: Shiv Nadar

HCL is a leading global company that helps global enterprises transform their business through digital technology transformation. Line of services:

Applications Services and Systems IntegrationsBPO/Business Services: This division has “delivery centers” in India, Philippines, Latin America, USA, HCL BPO Northern Ireland, and Europe. Engineering and R&D Services (ERS) Infrastructure Management Services (IMS)IoT WoRKS DRYiCE Digital & AnalyticsCybersecurity and GRC Services

4.Wipro Limited

Revenue: Rs 60,137 CrMarket Cap: Rs 153,043 Cr.Employees: 160,000ROE: 17.26 %Sales Growth (3Yrs): 4.82 %Promoter holding: 74.04 %Headquarters: Bangalore, KarnatakaFounder: Mohamed Premji

Wipro Ltd. is a company with several services providing – cognitive computing, hyper-automation, robotics, cloud analytics, and emerging technologies. Line of services:

Business process services (BPS)Cloud and infrastructure serviceBanking, Financial Services and Insurance (BFSI),Healthcare and Life Sciences (HLS), Consumer Goods, Transport and Government (RCTG), Energy, Natural Resources and Utilities (ENU), Manufacturing and High-Tech (MFG), Global Media and Telecom (GMT)

5.Redington India Ltd.

Revenue: Rs 47,996 Cr.Market Cap: Rs 4,438 Cr.ROE: 15.00 %Sales Growth (3Yrs): 9.50 %Promoter holding: 0.00 %Headquarters: ChennaiFounder: R. Srinivasan

Redington is one of the companies that have had an eventful and exciting journey to become one of India’s top IT companies. Line of services:

NetworkingEnterprise server & storageSecuritysoftware

6.Tech Mahindra Ltd.

Revenue: Rs 35,119 CrMarket Cap:  70,141 Cr.Employees: 125,700ROE: 21.58 %Sales Growth (3Yrs): 9.45 %Promoter holding: 35.88 %Headquarters: Pune, MaharashtraFounder: Anand Mahindra

Tech Mahindra is the highest-ranked non-US company in the list of Forbes global digital 100 (2018), and also in the Forbes Fab 50 companies in Asia (2018). Line of services:

OutsourcingConsultingManaged services

7.Larsen And Turbo Infotech Limited, L&T

Revenue: Rs 10,014 CrMarket Cap: Rs  29,302 Cr.Employees: 337,994ROE: 34.63 %Sales Growth (3Yrs): 17.34 %Promoter holding: 74.62 %Headquarters: Mumbai, MaharashtraFounders: Henning Holck-Larsen, Soren Kristian Turbo

Primarily established as a Civil Construction Company launched its IT branch 20 years ago, and soon it became one of the fastest-growing IT companies. Line of services:

ConstructionBuilding and factoriesHeavy civil infrastructureTransportation infrastructurePower transmission and distributionWater and effluent treatmentMetallurgical and material handlingRenewable energyEPC projectsHydrocarbon engineeringL&T power

8.Mphasis Limited

Revenue: Rs 7,973 CrEmployees: 22,000Market Cap:  17,738 Cr.ROE: 19.96 %Sales Growth (3Yrs): 8.33 %Promoter holding: 52.22 %Headquarters: Bangalore, IndiaFounders: Jerry Rao, Joren Tas

Line of services:

Business process outsourcingInfrastructure technologyApplication services

9.Mindtree Ltd.

Revenue: Rs 7,375 CrMarket Cap: Rs 11,855 Cr.Employees: 21000ROE: 24.94 %Sales Growth (3Yrs): 14.54 %Promoter holding: 73.76 %Headquarters: Bangalore, India

Founder: Ashok Soota, Subroto Bagchi, Krishnakumar Natarajan, Parthasarthy NS, Scott Staples, Anjan Lahiri, Kalyankumar Banerjee

 Janakiraman, Kamran Ozair, Rostow Ravanan

Line of services:

Application Development and Maintenance,Data Analytics,Digital Services,Enterprise Application Integration Business Process Management, Engineering R&D, Enterprise Application Services, Testing and Infrastructure Management Services

10.Hexaware Technologies Ltd.

Revenue: Rs 5,306 CrMarket Cap:  10,165 Cr.Employees: 18,294ROE: 26.53 %Sales Growth (3Yrs): 14.17 %Promoter holding: 62.45 %Headquarters: Navi MumbaiFounder: Atul k. Nishar

Line of services:

Application transformation managementBusiness intelligence and analytic servicesBusiness process serviceDigital assuranceEnterprise solutionsInfrastructure management service