NICOR INC Form 10-K: Annual report
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2011-02-24: Form 10-K; Period of report 2010-12-31; Description NICOR INC. FORM 10-K FOR 12-31-10; Document nicorinc123110form10k.htm.
- 2010-02-24: Form 10-K; Period of report 2009-12-31; Description NICOR INC. FORM 10-K FOR 12-31-09; Document nicorinc123109form10k.htm.
- 2009-02-25: Form 10-K; Period of report 2008-12-31; Description NICOR INC. FORM 10-K FOR 12-31-08; Document nicorinc123108form10k.htm.
- 2008-02-26: Form 10-K; Period of report 2007-12-31; Description NICOR INC 12-31-07 FORM 10-K; Document nicorinc123107form10k.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2011-02-24 | 10-K | 2010-12-31 | NICOR INC. FORM 10-K FOR 12-31-10 | nicorinc123110form10k.htm |
| 2010-02-24 | 10-K | 2009-12-31 | NICOR INC. FORM 10-K FOR 12-31-09 | nicorinc123109form10k.htm |
| 2009-02-25 | 10-K | 2008-12-31 | NICOR INC. FORM 10-K FOR 12-31-08 | nicorinc123108form10k.htm |
| 2008-02-26 | 10-K | 2007-12-31 | NICOR INC 12-31-07 FORM 10-K | nicorinc123107form10k.htm |
| 2007-02-23 | 10-K | 2006-12-31 | NICOR INC 12/31/2006 FORM 10K | nicor123106_form10k.htm |
| 2006-02-27 | 10-K | 2005-12-31 | NICOR INC 12/31/2005 FORM 10K | nicor123105_form10k.htm |
| 2005-03-01 | 10-K | 2004-12-31 | NICOR INC. 2004 10-K | nicor10k.txt |
| 2004-02-20 | 10-K | 2003-12-31 | ANNUAL REPORT | c82669e10vk.htm |
| 2003-03-28 | 10-K | 2002-12-31 | ANNUAL REPORT | c75779e10vk.htm |
| 2000-03-20 | 10-K | 1999-12-31 | ANNUAL REPORT FOR 1999 | |
| 1994-03-24 | 10-K | 1993-12-31 | NICOR 1993 FORM 10-K |