National Coal Board was created in 1946.
Ploiești National Coal Company was created in 1957.
National Hard Coal Company was created in 1998.
New South Wales Coal Compensation Board was created in 1985.
National Mediation Board was created in 1934.
China National Coal Group Corporation was created in 1999.
Big Pit National Coal Museum was created in 1983.
National Coal Mining Museum for England was created in 1988.
National Wages Board was created in 1952.
National Enterprise Board was created in 1975.
National Review Board was created in 2002.
National Library Board was created in 1995.
National Science Board was created in 1950.