Filing Flows › Comparisons › TTEK vs VSEC
Tetra Tech vs VSE: TTEK and VSEC compared
Tetra Tech is the larger company: $1.3B of revenue in its latest quarter (Q3 FY26) against $541M for VSE (Q3 2026). VSE is growing faster (+91% against -4% a year earlier). VSE is more profitable, with an operating margin of 14.3% against 12.1%.
Where the money goes: TTEK and VSEC
Tetra Tech (TTEK) · Q3 FY26
Tetra Tech, Q3 FY26: revenue $1.3B (-4% year over year), operating margin 12.1%, net earnings $110M, operating cash flow $229M. The chart follows the revenue to costs, profit and cash.
VSE (VSEC) · Q3 2026
VSE, Q3 2026: revenue $541M (+91% year over year), operating margin 14.3%, net earnings $47.3M, operating cash flow $56.0M. The chart follows the revenue to costs, profit and cash.
| Tetra Tech (TTEK) | VSE (VSEC) | |
|---|---|---|
| Latest quarter | Q3 FY26 | Q3 2026 |
| Revenue | $1.3B | $541M |
| Revenue growth, Y/Y | -4% | +91% |
| Gross margin | 18.6% | — |
| Operating margin | 12.1% | 14.3% |
| Net earnings | $110M | $47.3M |
| Net margin | 8.4% | 8.7% |
| Operating cash flow | $229M | $56.0M |
| Free cash flow | $225M | $46.6M |
| Market value | $10.5B | $5.5B |
| P/E | 23.9× | 43.2× |
| Analysts’ mean target | $40.17 | $250.44 |
Where the revenue comes from
VSE
- Services: $318M (59%)
- Products: $223M (41%)
Questions
Which is bigger, Tetra Tech or VSE?
Tetra Tech is the larger company: $1.3B of revenue in its latest quarter (Q3 FY26) against $541M for VSE (Q3 2026).
Is Tetra Tech or VSE growing faster?
VSE is growing faster (+91% against -4% a year earlier).
Which is more profitable, Tetra Tech or VSE?
VSE is more profitable, with an operating margin of 14.3% against 12.1%.
More: Tetra Tech earnings · how Tetra Tech makes money · VSE earnings · how VSE makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Jul 31, 2026; 10-Q filed Nov 5, 2026). Fiscal quarters can end on different dates. Not investment advice.