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Donaldson vs Fuel Tech: DCI and FTEK compared
Donaldson is the larger company: $1.1B of revenue in its latest quarter (Q4 FY26) against $8.7M for Fuel Tech (Q3 2026). Fuel Tech is growing faster (+16% against +8% a year earlier). Donaldson is more profitable, with an operating margin of 16.7% against -6.0%.
Where the money goes: DCI and FTEK
Donaldson (DCI) · Q4 FY26
Donaldson, Q4 FY26: revenue $1.1B (+8% year over year), operating margin 16.7%, net earnings $129M, operating cash flow $200M. The chart follows the revenue to costs, profit and cash.
Fuel Tech (FTEK) · Q3 2026
Fuel Tech, Q3 2026: revenue $8.7M (+16% year over year), operating margin -6.0%, net loss $267K, operating cash flow −$1.7M. The chart follows the revenue to costs, profit and cash.
| Donaldson (DCI) | Fuel Tech (FTEK) | |
|---|---|---|
| Latest quarter | Q4 FY26 | Q3 2026 |
| Revenue | $1.1B | $8.7M |
| Revenue growth, Y/Y | +8% | +16% |
| Gross margin | 36.3% | — |
| Operating margin | 16.7% | -6.0% |
| Net earnings | $129M | −$267K |
| Net margin | 12.2% | -3.1% |
| Operating cash flow | $200M | −$1.7M |
| Free cash flow | $185M | — |
| Market value | $10.0B | — |
| P/E | 21.9× | — |
| Analysts’ mean target | $100.40 | — |
Where the revenue comes from
Fuel Tech
- FUEL CHEM: $4.9M (57%)
- Air Pollution Control: $3.7M (43%)
Questions
Which is bigger, Donaldson or Fuel Tech?
Donaldson is the larger company: $1.1B of revenue in its latest quarter (Q4 FY26) against $8.7M for Fuel Tech (Q3 2026).
Is Donaldson or Fuel Tech growing faster?
Fuel Tech is growing faster (+16% against +8% a year earlier).
Which is more profitable, Donaldson or Fuel Tech?
Donaldson is more profitable, with an operating margin of 16.7% against -6.0%.
More: Donaldson earnings · how Donaldson makes money · Fuel Tech earnings · how Fuel Tech makes money
From the companies' latest 10-Q, 10-K or earnings release (10-K filed Sep 25, 2026; 10-Q filed Nov 3, 2026). Fiscal quarters can end on different dates. Not investment advice.