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Martin Marietta Materials vs Knife River: MLM and KNF compared
Martin Marietta Materials is the larger company: $2.4B of revenue in its latest quarter (Q3 2026) against $1.3B for Knife River (Q3 2026). Martin Marietta Materials is growing faster (+28% against +6% a year earlier). Martin Marietta Materials is more profitable, with an operating margin of 18.5% against 16.8%.
Where the money goes: MLM and KNF
Martin Marietta Materials (MLM) · Q3 2026
Martin Marietta Materials, Q3 2026: revenue $2.4B (+28% year over year), operating margin 18.5%, net earnings $256M, operating cash flow $557M. The chart follows the revenue to costs, profit and cash.
Knife River (KNF) · Q3 2026
Knife River, Q3 2026: revenue $1.3B (+6% year over year), operating margin 16.8%, net earnings $138M, operating cash flow $195M. The chart follows the revenue to costs, profit and cash.
| Martin Marietta Materials (MLM) | Knife River (KNF) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $2.4B | $1.3B |
| Revenue growth, Y/Y | +28% | +6% |
| Gross margin | 27.5% | 22.5% |
| Operating margin | 18.5% | 16.8% |
| Net earnings | $256M | $138M |
| Net margin | 10.8% | 10.8% |
| Operating cash flow | $557M | $195M |
| Free cash flow | $426M | $136M |
| Market value | $33.6B | $3.2B |
| P/E | 13.7× | 23.9× |
| Analysts’ mean target | $634.08 | $69.80 |
Where the revenue comes from
Knife River
- Contracting services: $607M (48%)
- Ready-mix concrete: $270M (21%)
- Aggregates: $250M (20%)
- Liquid asphalt: $147M (12%)
Questions
Which is bigger, Martin Marietta Materials or Knife River?
Martin Marietta Materials is the larger company: $2.4B of revenue in its latest quarter (Q3 2026) against $1.3B for Knife River (Q3 2026).
Is Martin Marietta Materials or Knife River growing faster?
Martin Marietta Materials is growing faster (+28% against +6% a year earlier).
Which is more profitable, Martin Marietta Materials or Knife River?
Martin Marietta Materials is more profitable, with an operating margin of 18.5% against 16.8%.
More: Martin Marietta Materials earnings · how Martin Marietta Materials makes money · Knife River earnings · how Knife River makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 4, 2026; 10-Q filed Nov 3, 2026). Fiscal quarters can end on different dates. Not investment advice.