Yes there is a union team in the English league called Sale Sharks
Welsh Rugby Union was created in 1881.
Hurricanes - rugby union - was created in 1996.
Marlborough Rugby Union was created in 1888.
Highlanders - rugby union - was created in 1996.
Crusaders - rugby union - was created in 1996.
Rugby Football Union was created in 1871.
Tasman Rugby Union was created in 2006.
Goulburn Rugby Union was created in 1872.
Scottish Rugby Union was created in 1873.
Rugby Union Players Association was created in 1995.
Wanganui Rugby Football Union was created in 1888.