Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000110104-12-000005
Filing Date
2012-02-22
Accepted
2012-02-22 08:08:12
Documents
14
Period of Report
2011-12-31

Document Format Files

Seq Description Document Type Size
1 NICOR GAS FORM 10-K FOR 12-31-11 nicorgas123111form10k.htm 10-K 2024462
2 EXHIBIT 12.01 RATIO OF EARNINGS TO FIXED CHARGES exhibit1201ratioofearnings.htm EX-12.01 64355
3 EXHIBIT 23.01 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - PWC consentofaccountingfirmpwc.htm EX-23.01 3252
4 EXHIBIT 23.01 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - DELOITT consentofaccountingfirmdt.htm EX-23.02 3794
5 EXHIBIT 31.01 CERTIFICATION LINGINFELTER exhibit3101certification.htm EX-31.01 11050
6 EXHIBIT 31.02 CERTIFICATION EVANS exhibit3102certification.htm EX-31.02 11028
7 EXHIBIT 32.01 CERTIFICATION LINGINFELTER exhibit3201certification.htm EX-32.01 5328
8 EXHIBIT 32.02 CERTIFICATION EVANS exhibit3202certification.htm EX-32.02 5325
14 NICOR GAS LOGO nicorgaslogo.jpg GRAPHIC 5850
  Complete submission text file 0000110104-12-000005.txt   6578626

Data Files

Seq Description Document Type Size
9 XBRL INSTANCE DOCUMENT nigc-20111231.xml EX-101.INS 1071987
10 XBRL TAXONOMY EXTENSION SCHEMA nigc-20111231.xsd EX-101.SCH 16905
11 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nigc-20111231_cal.xml EX-101.CAL 56280
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE nigc-20111231_lab.xml EX-101.LAB 232641
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nigc-20111231_pre.xml EX-101.PRE 108705
Mailing Address 1844 FERRY RD NAPERVILLE IL 60563-9600
Business Address 1844 FERRY RD NAPERVILLE IL 60563-9600 6309838888
NORTHERN ILLINOIS GAS CO /IL/ /NEW/ (Filer) CIK: 0000110104 (see all company filings)

EIN.: 362863847 | State of Incorp.: IL | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-07296 | Film No.: 12628726
SIC: 4922 Natural Gas Transmission