Rankings · Growth
Fastest-growing A-graded companies
Graded A, with more than $1B of revenue now and at least $250M three years ago, ranked by how fast revenue grew each year over those three years — the same comparison the grade’s own “revenue growing overall” check makes.
18 companies meet this test
Figures as of October 1, 2026
| # | Company | Grade | Revenue growth | Free cash flow growth | Net margin | Market value |
|---|---|---|---|---|---|---|
| 1 | PRPERMIAN RESOURCES CORPORATION | A+ | +31% a year | +31% a year | 21.5% | $17.8B |
| 2 | OKEONEOK INC /NEW/ | A+ | +27% a year | +6% a year | 9.3% | $54.8B |
| 3 | NESRNATIONAL ENERGY SERVICES REUNITED CORP. | A | +21% a year | — | 5.8% | $2.7B |
| 4 | AROCArchrock, Inc. | A+ | +18% a year | — | 21.8% | $5.3B |
| 5 | TGSGAS TRANSPORTER OF THE SOUTH INC. | A+ | +16% a year | — | 21.5% | $3.9B |
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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.