TOP 10 BPO companies in India

1. Genpact India Pvt Ltd

Top of the list and ranked no 1 in the BPO sector is Genpact India Pvt Ltd. Founded in 1997 the company now has operations in 13 countries via its 30 operation centres. The operating centers corporate powerhouses such as Hyatt, GE, Nissan and Wachovia.
The company became independent in 2005 to provide it services outside the GE family. The coutry provides round the clock services to around 600 clients across 18 countries in 25langauges via its 67 delivery centers. The country is pioneer in bringing the Six Sigma technology for process transition.
2.Tata Consultancy Services BPO
Second on the list and the most famous IT Company in India is the Tata Consultancy Services. The company is a subsidiary of the corporate giant Tata Group headed by legendary Ratan Tata. The company is the most valuable company according to the revenue reports for the financial year 2011-12. The company is listed on NSE and is BSE 532540 certified.
3. WNS Services
The next company on the list is WNS services. The company has more than 215 global clients. The company was founded in 1996 and has been listed on Nasdaq. The company provides top quality services to its 200 plus clients in sectors of healthcare, insurance, manufacturing and retail. The company also deals in the fields of Travel, Insurance, banking and financial services, shipping and logistics, healthcare and Utilities. With an employee strength of over 25000 the company has 30 delivery centers across India, The Phillipines, costa rica, Poland, Romania, south Africa and srilanka.
4. Aegis Ltd
Fourth on the list is Aegis Ltd. The company founded in US almost 30 years ago is wholly owned by the giant Essar Group and has numerous fortune 500 clients.  The company is operational across 13 countries and 56 locations with over 56000 employees. The company has won many awards such as “Best Contact Center Services Provider” by Frost & Sullivan (APAC), “Top Global BPO” by Global Services, and “Best Employer Award” by Aon Hewitt. The company has its headquarters located in Mumbai India and is a $18 billion country based in 30 countries.
5. Wipro BPO 
Next on the list and fifth in the no is Wipro BPO. It was initially named as Wipro BPO Spectra mind but was renamed as Wipro BPO Solutions after it’s takeover by Wipro in 2002. The company was recognized as one of top 10 in the year 2008 when it stunned everybody by generating $ 395 million as revenue. The company provides services in the field of Banking & Capital Markets, Insurance, Travel & Hospitality, Retail & Consumer Products, Energy and Utility, Technology, Manufacturing, Telecom & Healthcare sectors. We have built deep expertise in Processes like Finance & Accounting, Procurement, Marketing, Legal, HR Services, Tech Support, Customer Services and Analytics.
6. First source Solutions Ltd
Sixth on the list is First source Solutions Ltd. Established in 2001 it was formerly known as ICICI Onesource. The company has some impressive clients such as top 3 of the 5 US banks, top 5 UK banks and 2 of the world’s largest telecom companies. The company has 48 delivery centres  spreaded across five countries India, Phillipines, US, UK and Sri Lanka. It was the first fully BPO module company to acquire ISO 20000 and ISO 27000 certifications.  
7. Infosys BPO
Next on the list is the much popular Infosys BPO. It was set up by the Infosys Technologies as it’s BPO subsidiary in April 2002. The company is listed on NASDAQ and has over 21000 employees with a handsome revenue of $ 495 million for the FY 2011-12. The company performs its functions via its centers located in China, Poland, The Phillipines, Mexico and Bangkok. The company is consistently a top ranked company in the Indian BPO sector.
8. Aditya Birla Minacs Worldwide Ltd
At no 8 we have the Aditya Birla Minacs Worldwide Ltd. The company is one of the bigwigs and most experienced with over 26 years of excellence in offering BPO services to over 15 Fortune 500 companies. The company has over 20000 professionals working for them across 3 continents and 35 centers spanning Canada, Germany, Hungary, Jamaica, Phillipines, UK, USA and India.
9. EXL Service
Ninth on the list is EXL One of the leading names in the Transformation and Outsourcing services the company provides its services to across 100 companies in multiple industries including insurance, banking, financial services. The company was launched in 1999 in USA and has been growing wver since. The company has it’s headquarters located in NEW YORK but has a significant presence around the world with its 20 delivery centres spreading across India, Phillipines, US, Czech Republic, Romania, Malaysia and Bulgaria. The company believes in its four priciples which it thinks differentiate it from others. The principles are : Operational excellence, Customer centricity. Strong focus on select domains and transformation capability.
10. Hinduja Global Solutions Ltd.
Last on the list we have Hinduja Global Solutions Ltd. Established in India in 1993 the company started with only 1 client and 25 employees under the name name ALIT (Ashok Leyland Information Technology). The company got its present name after its takeover by Hinduja Finance Corporation (HFC) in 2000. After the takeover the company entered in the international market and started making rapid strides. The company acquired Customer contact centre, a leading Phillipines company in 2006 and in 2010 they acquired aa UK based careline service.