From The Free On-line Dictionary of Computing (30 December 2018) :
Bell Laboratories
AT&T Bell Labs
Bell Labs
One of AT&T's research sites, in Murray Hill, New Jersey,
USA. It was the birthplace of the transistor, Unix, C
and C++ and the current home of research on Plan 9 and
ODE.
http://research.att.com/)">AT&T Research (http://research.att.com/).
ftp://ftp.research.att.com/)">(ftp://ftp.research.att.com/).
netlib sources ftp://netlib.att.com)">(ftp://netlib.att.com).
(1994-11-17)