U.S. industry
Professional Information Services
- Industry stocks
- 18
- Stocks provided
- 18
- Stocks with values
- 18
18 of 18 stocks provided
18 shown
Up to 60 stocks are provided in the selected metric’s default order. Search and sorting apply only to this provided list.
Market cap: calculated from SEC-reported share counts
A reference date is not provided for this metric.
| Default rank# | Company | Market cap |
|---|---|---|
| 1 | $137B | |
| 2 | $88.6B | |
| 3 | $57.4B | |
| 4 | $47.2B | |
| 5 | $22.7B | |
| 6 | $21.9B | |
| 7 | $15.8B | |
| 8 | $11.9B | |
| 9 | $9.15B | |
| 10 | $1.61B | |
| 11 | $1.49B | |
| 12 | $511M | |
| 13 | $398M | |
| 14 | $337M | |
| 15 | $140M | |
| 16 | $70M | |
| 17 | $66M | |
| 18 | $37M |
For reference only; not investment advice.
Professional Information Services in the U.S. at a glance
There are 18 listed companies in the Professional Information Services industry in the U.S.. By market cap, the largest are S&P Global ($137B), Moody's ($88.6B), Thomson-Reuters ($57.4B). By latest annual operating margin, the highest are Moody's (43.4%), S&P Global (42.2%), Thomson-Reuters (28.5%). Switch the metric in the table above to rank by market cap, revenue, operating margin or P/E. (As of Nov 6, 2026 · calculated by ChickenStock from SEC filings · for reference only, not investment advice)