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National Indemnity Company
National
Indemnity
Company
is an
insurance company
based in
Omaha
,
Nebraska, United States
, and
founded
in
1940
by
Jack
Dabney
Ringwalt. It is a
subsidiary
of
Berkshire Hathaway
, which
bought
the
company
in
1967
. It is Berkshire's
oldest
operating subsidiary
.