Rankings · Quality
Longest A-grade streaks
Graded A at every quarter end of the run and still A today, longest run first. Counted from our point-in-time history, which uses only the filings that were public at each date.
3 companies meet this test
Figures as of October 1, 2026
| # | Company | Grade | Run at A | Revenue growth | Market value |
|---|---|---|---|---|---|
| 1 | HTOH2O AMERICA | A+ | 14 quarters | — | $2.6B |
| 2 | ELPCENERGY CO OF PARANA | A | 5 quarters | +8% a year | $9.3B |
| 3 | SBSCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP | A+ | 5 quarters | +20% a year | $3.7B |
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A ranking orders companies by one stated measure. It is not a recommendation, and it says nothing about whether any share price is reasonable.