Facfile on India's technology major Infosys, which celebrates its 25th anniversary Sunday.

1981: Seven technology entrepreneurs launch Infosys Technologies with an investment of just 250 dollars in India's financial hub of Pune.

1987: Opens first international office in the United States, its main export market.

1992: Becomes a public limited company in India.

1993: Completes initial public offering in India.

1996: Launches Infosys Foundation to focus on social initiatives.

1997: Expands its presence by opening offices in Toronto, Canada.

1999: Annual revenues cross 100 million dollars. Becomes the first Indian-registered company to be listed on Nasdaq. Opens offices in Germany, Sweden, Belgium, and Australia and adds two development centers in the United States.

2000: Doubles annual revenue to 200 million dollars and becomes the first company to be awarded the 'National Award for Excellence in Corporate Governance' by the Indian government. Starts operations in France and Hong Kong.

2001: Rated as the 'Best Employer of India' by Hewitt Associates as annual revenues cross 400 million dollars. New bases crop up in United Arab Emirates, Argentina and Japan.

2002: India's business magazine Business World rates Infosys as 'India's Most Respected Company.' Operations begin in the Netherlands, Singapore and Switzerland.

2003: Two subsidiaries open in China and Australia.

2004: Crosses one billion dollars in annual revenues.

2005: Launches India's largest international equity offering of one billion dollars.

2006: Annual revenues double to two billion dollars as staff strength crosses 50,000.