NISOURCE INC. — Investor Relations & Filings
NiSource Inc. is an energy holding company operating as a fully regulated utility. The company's core activities involve natural gas distribution and electric generation, transmission, and distribution. Through its subsidiaries, including the Columbia Gas and NIPSCO brands, NiSource serves approximately four million customers across six states. Its customer base consists of roughly 3.5 million natural gas customers and 500,000 electric customers, spanning residential, commercial, and industrial sectors. The company focuses on providing safe and reliable energy services through its two main operational segments: Gas Distribution and Electric Operations.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| ARS - NISOURCE INC. (0001111711) (Filer) | 2026-03-30 | English | |
| DEFA14A - NISOURCE INC. (0001111711) (Filer) | 2026-03-30 | English | |
| DEF 14A - NISOURCE INC. (0001111711) (Filer) | 2026-03-30 | English | |
| SCHEDULE 13G/A - NISOURCE INC. (0001111711) (Subject) | 2026-03-27 | English | |
| 4 - NISOURCE INC. (0001111711) (Filer) | 2026-03-03 | English | |
| 4 - NISOURCE INC. (0001111711) (Filer) | 2026-03-03 | English |
Market data
Market data not available
Price history
Peer group · Manufacture of gas; distribution of gaseous fuels through mains
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
CIA. DISTRIB. DE GÁS DO RIO DE JANEIRO
Distributes piped natural gas to residential, commercial, a…
|
— | BR | Electricity, gas, steam and air… |
|
Clean Energy Fuels Corp.
Provider of renewable natural gas from organic waste for tr…
|
CLNE | US | Electricity, gas, steam and air… |
|
COMPANHIA DE GÁS DE SÃO PAULO - COMGÁS
Operates a 16,000 km natural gas distribution network servi…
|
— | BR | Electricity, gas, steam and air… |
|
COMPASS GÁS E ENERGIA S.A.
Integrated energy company focused on the natural gas value …
|
— | BR | Electricity, gas, steam and air… |
|
Confidence Petroleum India Limited
Integrated LPG company specializing in cylinder manufacturi…
|
CONFIPET | IN | Electricity, gas, steam and air… |
|
Cortus Energy AB
Gasifies biomass and waste into renewable energy gas for in…
|
CE | SE | Electricity, gas, steam and air… |
|
DAESUNG ENERGY CO.,LTD
Integrated energy company supplying city gas and developing…
|
117580 | KR | Electricity, gas, steam and air… |
|
DAESUNG HOLDINGS CO., LTD.
Diversified holding company in city gas distribution, IT, a…
|
016710 | KR | Electricity, gas, steam and air… |
|
DELONG COMPOSITE ENERGY GROUP CO., LTD
Comprehensive energy service provider for natural gas infra…
|
000593 | CN | Electricity, gas, steam and air… |
|
E1 Corporation
An LPG distribution company expanding into hydrogen, EV cha…
|
017940 | KR | Electricity, gas, steam and air… |
NISOURCE INC. via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/30290/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30290 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=30290 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=30290 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 30290}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for NISOURCE INC. (id: 30290)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.