Stocks / LSTR vs TTEK

LSTR vs TTEK: Which Stock Is the Better Buy?

Landstar System, Inc. and Tetra Tech, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Industrials.

LSTR is the larger company ($7.5B vs $7.1B). On the fundamentals, TTEK grows revenue faster (9.0% vs 2.8%); TTEK earns a higher net margin (5.4% vs 2.4%); LSTR has the stronger return on equity (14.5% vs 13.9%). Both carry 1 potential red flag in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — LSTR vs TTEK, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Landstar System, Inc. (LSTR)Tetra Tech, Inc. (TTEK)
Market cap$7.5B$7.1B
Revenue (latest FY)$4.74B$4.62B
Net income (latest FY)$115.01M$247.72M
Revenue growth (5y CAGR)2.8%9.0%
Net margin2.4%5.4%
Return on equity14.5%13.9%
P/E ratio61.016.4
Dividend yield0.7%1.0%
Profitable years (of last 10)1010
Positive free cash flowYesYes

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See the full LSTR vs TTEK breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open LSTR's full financials →   Open TTEK's full financials →

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Frequently asked questions

Which is bigger, LSTR or TTEK?

Landstar System, Inc. is larger by market capitalization — $7.5B versus $7.1B.

Which grows faster, LSTR or TTEK?

Over the last five fiscal years, Tetra Tech, Inc. grew revenue faster — 9.0%/yr versus 2.8%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

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