Fluor vs MasTec
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KIRAβs take AI analyst
I put Fluor and MasTec side by side, using each oneβs latest annual report. Here is what stands out:
- Fluor is the larger business, with $15.5B of revenue in fiscal 2025 against $14.3B for MasTec.
- MasTec grew revenue faster (16.2%, against β5.0%).
- MasTec turned more of its sales into free cash flow (2.0% FCF margin, against β2.8%).
- MasTec earned a higher return on the capital invested in it (11.2%, against β13.9%).
Who comes out ahead
Of the 8 measures where higher (or lower) is clearly better, how many each company leads.
Fluor
FLR
1/8
Share count change
MasTec
MTZ
7/8
Revenue growth5-year growthNet marginFCF marginReturn on capitalReturn on equityPiotroski F-score
Side by side
Best in the row
| Latest fiscal year | FLR FY25 | MTZ FY25 |
|---|---|---|
| Size | ||
| Market cap | $6.3B | $13.6B |
| Revenue | $15.5B | $14.3B |
| Free cash flow | β$437M | $286M |
| Net income | β$51.0M | $399M |
| Growth | ||
| Revenue growth | β5.0% | 16.2% |
| 5-year growth | β0.4% | 17.7% |
| Share count change | β5.8% | β0.2% |
| Profitability | ||
| Gross margin | β0.8% | β |
| Operating margin | β2.4% | β |
| Net margin | β0.3% | 2.8% |
| FCF margin | β2.8% | 2.0% |
| Return on capital | β13.9% | 11.2% |
| Return on equity | β1.4% | 12.9% |
| Balance sheet | ||
| Net debt | β$1.1B | $1.9B |
| Net debt / EBITDA | β | 1.7x |
| Dividends and buybacks | $754M | $77.3M |
| Valuation & quality | ||
| P/E | β | 27.5x |
| Piotroski F-score | 3 | 7 |
Ten years
Revenue
Operating margin
Free cash flow
Return on capital
Each company's latest fiscal year; fiscal years end in different months. The best value in each row is highlighted where higher (or lower) is clearly better. Not investment advice.

