Norbord Inc. is a manufacturer of wood-based panels and the world's largest producer of Oriented Strand Board (OSB). In addition to OSB, Norbord manufactures particleboard, Medium-Density Fibreboard (MDF) and related value-added products. 

Norbord has assets of approximately $1.7 billion and employs approximately 2,600 people at 17 plant locations in the United States, Canada and Europe. Norbord is a publicly traded company listed on the Toronto Stock Exchange and New York Stock Exchange under the symbol “OSB”.

Norbord operates 13 OSB mills, 1 MDF (medium density fibreboard) plant, 2 particleboard (chipboard) plants and 1 furniture plant.

Its OSB mills in the US are located in Minnesota, Georgia (2 lines), Mississippi, Alabama, South Carolina and 2 in Texas. In Canada there are 2 mills in Alberta, 1 in British Columbia, 1 in Ontario and 2 in Québec. In Europe there are mills located in Inverness (2 lines) and Cowie (2 lines), Scotland, in South Molton, England as well as in Genk, Belgium.

Its particleboard lines are located in Cowie, Scotland and South Molton, England. Norbord's furniture factory is based in South Molton, England.

According to en.wikipedia