The most dynamic sectors include Information technology (IT) and manufacturing. Sofia is a regional IT hub, ranking second among the Top 10 fastest growing tech centers in Europe in terms of annual growth of active members. The sector employs about 50,000 professionals, 30% of them involved in programming, and contributes for 14% of the city's exports. The IT sector is highly diverse and includes both multinational corporations, local companies and start-ups. Multinationals with major research, development, innovation and engineering centers in Sofia include the second largest global IT center of Coca Cola, Hewlett-Packard, VMware, Robert Bosch GmbH, Financial Times, Experian, etc. Several office and tech clusters have been established across the city, including Business Park Sofia, Sofia Tech Park, Capital Fort and others.