Satyam Computer Services Limited, founded in 1987 and based in Andhra Pradesh, India, provides over 480 companies across 55 countries with business software and technical support outsourcing services. The firm handles application development, system maintenance, business information management, business processing outsourcing, embedded technology development, enterprise application integration, and other projects. Its SearchPad Web search agent technology was introduced in 1997. The company also is known for the VisionCompass system. The firm markets its products and services to organizations across the aerospace, telecommunications, retail, pharmaceuticals, energy, media, health care, banking, education, and government sectors. Satyam Computer Services encompasses the Nipuna Services Limited, Satyam Technologies Incorporated, Satyam Computer Services (Shanghai) Company Limited, Citisoft, and Knowledge Dynamics subsidiaries. The company also is known for its Satyam Venture Engineering Services Private Limited and CA Satyam ASP Private Limited joint ventures. It has established joint ventures with Dun & Bradstreet, General Electric. It has formed strategic alliances with Ariba, Hummingbird, ETI, and TRW. Satyam Computer Services also has formed partnerships with i2 Technologies and Iona. In 2005, it acquired Knowledge Dynamics and a 75 percent stake in Citisoft Plc. The company earned ISO 9001 certification in 1995. It maintains facilities across North America, Europe, and Asia. Satyam Computer Services was founded by B. Ramalinga Raju and B. Rama Raju. The company went public in 1992. The firm has won recognition from the World Economic Forum, Dataquest, Aberdeen Group, and Frost & Sullivan. The company's Satyam Infoway Internet unit was listed on NASDAQ in 1999. It is traded under the SIFY symbol.