Yes there is a union team in the English league called Sale Sharks
Highlanders - rugby union - was created in 1996.
Welsh Rugby Union was created in 1881.
Rugby Football Union was created in 1871.
Hurricanes - rugby union - was created in 1996.
Marlborough Rugby Union was created in 1888.
Scottish Rugby Union was created in 1873.
Goulburn Rugby Union was created in 1872.
Tasman Rugby Union was created in 2006.
Crusaders - rugby union - was created in 1996.
Buller Rugby Football Union was created in 1894.
Wanganui Rugby Football Union was created in 1888.