Data coverage, completeness and provenance for NiSource in the Stock Market API — Utilities · Utilities - Regulated Gas.
NiSource Inc., an energy holding company, operates as a regulated natural gas and electric utility company in the United States. It operates in two segments, Columbia Operations and NIPSCO Operations. The company provides natural gas to residential, commercial, and industrial customers through approximately 37,300 miles of distribution main pipeline and the associated individual customer service lines; and 310 miles of transmission main pipeline in Ohio, Pennsylvania, Virginia, Kentucky, and Maryland. It also generates, transmits, and distributes electricity to approximately 0.5 million customers in various counties in the northern part of Indiana, as well as engages in wholesale electric and transmission transactions. It owns and operates steam coal generating stations in Wheatfield and Michigan City; combined cycle gas turbine in West Terre Haute; natural gas generating units in Wheatfield; hydro generating plants in Carroll County and White County; wind generating units in White County; and solar generating units in Sullivan County, Gibson County, Jasper County, and White County. The company was formerly known as NIPSCO Industries, Inc. and changed its name to NiSource Inc. in April 1999. NiSource Inc. was founded in 1847 and is headquartered in Merrillville, Indiana.
Employees: 7,668 · Website: https://www.nisource.com · Profile fields populated: 75%
Share of stored fields populated in the anchor reporting period (FY2025), primary source sec_edgar. Full per-field breakdown: GET /api/v1/companies/NI/financials.
Stored values for the most recent fiscal-year periods, with per-period field counts and the primary source each period came from. Values are shown at reported scale without interpretation.
| Period | Period end | Revenue | Net income | Total assets | Total equity | Fields populated | Source |
|---|---|---|---|---|---|---|---|
| FY2025 | 2025-12-31 | 29 | sec_edgar | ||||
| FY2024 | 2024-12-31 | 29 | sec_edgar | ||||
| FY2023 | 2023-12-31 | 29 | sec_edgar | ||||
| FY2022 | 2022-12-31 | 29 | sec_edgar | ||||
| FY2021 | 2021-12-31 | 30 | sec_edgar |
Every number on this page is one API call away. Free API keys — no card required.
Name, sector, industry, HQ, employees, market cap, source-tagged.
GET /api/v1/companies/NI
Multi-year statements with per-field source tags and completeness.
GET /api/v1/companies/NI/financials
P/E, P/B, ROE, ROA, margins, EPS, debt/equity — formulas documented.
GET /api/v1/companies/NI/metrics/summary
Report PDFs with LLM-ready markdown conversions where available.
GET /api/v1/companies/NI/filings
Dated press releases and announcements with source links.
GET /api/v1/companies/NI/news
Create a free key, then:
curl -H "X-API-Key: KEY" https://stockmarketapi.ai/api/v1/companies/NI
Free tier — instant API key. Built for AI agents.