Citable segment mix
NI's latest SEC segment disclosure for revenue by segment shows Columbia Operations as the largest listed segment at $909.20M (74.1% of disclosed segment revenue).
| Segment | Period | Revenue | Mix |
|---|---|---|---|
| Columbia Operations | Mar 31, 2026 | $909.20M | 74.1% |
| NIPSCO Operations | Mar 31, 2026 | $318.60M | 25.9% |
Source: SEC EDGAR segment disclosures; period Mar 31, 2026.
Continue research
Follow same-sector companies and source explainers connected to the segments view.
A factual guide to revenue segment disclosures and how Aerarium Research uses them to make company business mix easier to inspect.
A factual guide to seasonal revenue patterns and comparable (same-store) sales — why year-over-year comparisons matter and what comp sales strip out.
A factual guide to deferred revenue, cash collected before revenue is earned, and why the liability can matter for recurring businesses.
A factual guide to quarterly SEC Form 10-Q reports, how they differ from annual 10-K filings, and what readers can inspect first.
