BWI is the Global Union Federation grouping free and democratic unions with members in the Building, Building Materials, Wood, Forestry and Allied sectors.

The BWI groups together around 351 trade unions representing around 12 million members in 127 countries. The Headquarters is in Geneva, Switzerland. Regional Offices and Project Offices are located in Panama, Malaysia, South Africa, India, Burkina Faso, Chile, Kenya, Russia, Peru and Brazil.

Its mission is to promote the development of trade unions in their sectors throughout the world and to promote and enforce workers rights in the context of sustainable development.