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U.K.-listed Pearson is the world's largest educational provider. The company has been disposing of noncore businesses such as the Financial Times, The Economist, and publishing house Penguin, and is now focused on being an educational resource and testing provider. While Pearson's primary activity centres on higher-level education, the firm also has significant operations in providing clinical assessments, professional certification and testing.
Companhia De Saneamento Basico Do Estado De Sao Paulo is engaged in the provision of basic and environmental sanitation services in the Sao Paulo State and supplies treated water and sewage services on a wholesale basis. The company operates in a single segment, which is Sanitation services.