Três Rios, incentives attract 872 companies to this city in Rio state. City zeroes taxes and promotes changes in the quiet life of its residents Posted on April 9, 2012 by Joe Cloud — No Comments ↓ A town with its central park and wooden benches lined the sidewalk distributed between a church and the town hall. This the best description of Três Rios, in the south of Rio de Janeiro state, almost three years ago. But …