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The Open Database Of The Corporate World
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Filings for
NORTHWESTERN CORPORATION
(Nebraska (US))
3 Apr 2024
Amended Occupation Tax Report
1 Mar 2024
Occupation Tax Report
8 Feb 2022
Occupation Tax Report
26 Feb 2020
Occupation Tax Report
20 Feb 2018
Tax Return
24 Feb 2016
Tax Return
1 Apr 2014
Amendment to Tax Return
21 Feb 2014
Tax Return
12 Feb 2014
Change of Agent or Office
20 Feb 2013
Change of Agent or Office
14 Mar 2012
Tax Return
26 Feb 2010
Tax Return
10 Aug 2009
Change of Agent or Office
15 Apr 2008
Tax Return
8 Mar 2006
Tax Return
8 Mar 2004
Tax Return
18 Mar 2003
Tax Return
26 Feb 2003
Tax Return
22 Feb 2002
Tax Return
22 Feb 2002
Tax Return
9 Mar 2001
Tax Return
21 Jul 2000
Change of Agent or Office
30 Mar 2000
Tax Return
30 Mar 1999
Tax Return
12 Jun 1998
Amendment/New Name
12 Jun 1998
New Name
8 Jul 1996
Amendment
7 Jun 1996
Amendment
31 Jan 1992
Amendment
5 Mar 1990
Amendment
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