No longer owned by ATT.

Founded in 1884 by John H. Patterson. Maker of the first mechanical cash registers.
Changed their name to NCR corporation in 1974
Acquired by ATT in 1991
NCR name changed to ATT Global Information Solutions (GIS)in 1994
In 1995 ATT announces the spin-off for the end of 1996
In 1996, GIS changes its name back to NCR.