TOP 10 · DECADE × RANK — Ten era portraits · 1920s—2020s
Decade top-10 roster — Every decade's ten biggest U.S. companies, 1920s–2020s.
The Top 10 of each decade — ten rosters set side by side on a single sheet. What you read isn't ten lists: it's the migration of an economy. Rail, autos, oil, retail, PCs, platforms, AI capex — every era left its names in these cells at one point.
What this page answers
This static page is built to answer searches for TOP 10 · DECADE × RANK. It summarizes the live dataset behind the Ten era portraits · 1920s—2020s panel and links to the full interactive chart.
The Top 10 of each decade — ten rosters set side by side on a single sheet. What you read isn't ten lists: it's the migration of an economy. Rail, autos, oil, retail, PCs, platforms, AI capex — every era left its names in these cells at one point. The data is refreshed by the History of Market pipeline and published as a stable JSON endpoint for research, citation, and AI-agent use.
The plate
Data & Source
Exchange closing prices · Company filings · Robert Shiller · FRED · NBER.
FAQ
Where does this data come from?
History of Market combines public market and macro datasets — exchange closing prices, company filings, Robert Shiller, FRED, NBER, and the UBS Global Investment Returns Yearbook (Dimson–Marsh–Staunton). The exact endpoint for this panel is linked below.
How often is it updated?
Daily-tier datasets refresh after the U.S. market close, with a broader weekly refresh on Sunday. The timestamp shown on this page comes from the JSON payload.
Can I use the data?
Yes, for research and education with attribution to History of Market. Upstream data sources retain their own terms.