Dow is a chemistry-based science company that combines the power of science and technology to passionately innovate what is essential to human progress. The company connects chemistry and innovation with principles of sustainability to address the need for clean water, renewable energy generation and conservation, and increasing agricultural productivity. Dow's diversified industry-leading portfolio of specialty chemical, advanced materials, agro-sciences and plastics businesses delivers a broad range of technology-based products and solutions to customers in approximately 160 countries and in high-growth sectors such as electronics, water, energy, coatings and agriculture. In 2011, Dow had annual sales of US$ 60 billion. Its 5,000 products are manufactured at 197 sites in 36 countries.