Exchange
—
Entity type
operating
Fiscal year end
Dec 31
Headquarters
IL
Company overview
Northern Illinois Gas Co /IL/ /New/ presents itself as a regional utility that provides natural gas distribution and related energy services to residential, commercial, and municipal customers across its Illinois service area, drawing from the same SIC universe that houses regulated energy providers balancing infrastructure upkeep with reliable delivery; the company increasingly emphasizes safety, meter modernization, and storm resilience to keep pace with evolving demand patterns while continuing to expand service touches in suburban growth corridors. Serving core markets that depend on predictable heating, cooking, and manufacturing fuel supplies, the company negotiates cost recovery through tariffs and long-term supply arrangements, but it remains subject to the oversight of state utility commissions and federal safety standards, meaning rate decisions, environmental mandates, and the costs of replacing aging pipelines materially affect margins; weather volatility, commodity price swings, and any federal policy shifts in emissions or infrastructure funding also factor into operational risk. CIK 110104 anchors the profile, and readers are encouraged to view live SEC filings on Earnings Feed.
Source: Earnings Feed research · last updated 11/24/2025
Recent filings
NORTHERN ILLINOIS GAS CO /IL/ /NEW/ 10-Q
NORTHERN ILLINOIS GAS CO /IL/ /NEW/ 10-Q
NORTHERN ILLINOIS GAS CO /IL/ /NEW/ 10-Q
NORTHERN ILLINOIS GAS CO /IL/ /NEW/ 10-Q
NORTHERN ILLINOIS GAS CO /IL/ /NEW/ 10-Q