Home/Companies/CIK 0000072020
N
ISSUER//CIK 0000072020

NICOR INC

SIC 4924Natural Gas Distributionoperating

Exchange

Entity type

operating

Fiscal year end

Dec 31

Headquarters

IL

Research Summary

AI-assisted · Grounded in filings

Updated Nov 24, 2025

NICOR INC

NICOR Inc, CIK 72020, is a utilities holding company supplying natural gas and related energy services to Chicagoland households, municipalities, and industrial accounts, drawing on its long heritage in SIC 4924 natural gas distribution to manage pipelines, storage, and metering across Northern Illinois. The firm’s core offerings include reliable volumetric delivery, energy efficiency consulting, safety inspections, and infrastructure investment to maintain steady pressures and respond to demand profiles shaped by residential heating and manufacturing cycles. Institutional and high-usage commercial customers value NICOR’s operational expertise, flexible contracting, and emergency response capabilities while regulators look closely at its rate-base decisions; the Illinois Commerce Commission and federal pipeline regulators set tariff authority and enforce pipeline safety standards, leaving the company exposed to legislative changes, commodity price swings, extreme weather events, and compliance scrutiny. With the latest filing still pending, investors should continue to monitor disclosures, and they can view live SEC filings on Earnings Feed.