Using data about partnership networks of top US, Indian and Chinese IT services companies, the paper reveals important aspects of technological strategies. related to external sources of technologies and knowledge. The analysis is based on social network technique. Indian companies are found to partner with key providers of enterprise applications, while their Chinese counterparts can be characterized by strong hardware-related background, which may limit their opportunities in global IT offshoring. There are also cross-country differences in the average numbers of partners and their types, suggesting divergence of sectoral innovation systems of the analyzed countries.