Multiple Sclerosis Society of Great Britain was created in 1953.
Multiple Sclerosis Foundation was created in 1986.
Multiple Sclerosis Trust was created in 1993.
Corinne Goldsmith Dickinson Center for Multiple Sclerosis was created in 2001.
Science National Honor Society was created in 2000.
National Secular Society was created in 1866.
National Geographic Society was created in 1888.
National Society of Accountants was created in 1945.
National Osteoporosis Society was created in 1986.
National Audubon Society was created in 1905.
National Space Society was created in 1986.
The National Society of Metal Mechanics was created in 1994.