Andy's Frozen Custard was created in 1986.
Meadows Frozen Custard was created in 1950.
Gilles Frozen Custard was created in 1938.
Abbott's Frozen Custard was created in 1902.
Shake's Frozen Custard was created in 1991.
Leon's Frozen Custard was created in 1942.
Kopp's Frozen Custard was created in 1950.
Freddy's Frozen Custard was created in 2002.
Makers of frozen custard are classified under SIC 2024
The Custard Boys was created in 1961.
Cowardy Custard was created in 1972.
Never.
Not much, although because frozen custard is made using extra egg-yokes, it does have more cholesteral and slightly more fat calories.