TTEK vs PRIM

For growth investors, Primoris Services Corporation (PRIM) is the stronger pick with 19.

0% revenue growth year-over-year, versus 4. 7% for Tetra Tech, Inc. (TTEK). Primoris Services Corporation (PRIM) offers the better valuation at 20. 2x trailing P/E (16. 9x forward), making it the more compelling value choice. Analysts rate Primoris Services Corporation (PRIM) a "Buy" — based on 22 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Primoris Services Corporation (PRIM) is the cheapest at 20.

2x versus Tetra Tech, Inc. at 33. 3x. On forward P/E, Primoris Services Corporation is actually cheaper at 16. 9x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Primoris Services Corporation wins at 0. 92x versus Tetra Tech, Inc. 's 2. 50x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Primoris Services Corporation (PRIM) delivered a total return of +215.

3%, compared to +28. 7% for Tetra Tech, Inc. (TTEK). Over 10 years, the gap is even starker: TTEK returned +451. 8% versus PRIM's +359. 9%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Tetra Tech, Inc.

(TTEK) is the lower-risk stock at 0. 53β versus Primoris Services Corporation's 1. 83β — meaning PRIM is approximately 243% more volatile than TTEK relative to the S&P 500. On balance sheet safety, Tetra Tech, Inc. (TTEK) carries a lower debt/equity ratio of 55% versus 76% for Primoris Services Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Primoris Services Corporation (PRIM) is pulling ahead at 19.

0% versus 4. 7% for Tetra Tech, Inc. (TTEK). On earnings-per-share growth, the picture is similar: Primoris Services Corporation grew EPS 51. 7% year-over-year, compared to -24. 4% for Tetra Tech, Inc.. Over a 3-year CAGR, TTEK leads at 24. 3% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Tetra Tech, Inc.

(TTEK) is the more profitable company, earning 4. 6% net margin versus 3. 6% for Primoris Services Corporation — meaning it keeps 4. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: TTEK leads at 11. 1% versus 5. 5% for PRIM. At the gross margin level — before operating expenses — TTEK leads at 17. 7%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Primoris Services Corporation (PRIM) is the more undervalued stock at a PEG of 0. 92x versus Tetra Tech, Inc. 's 2. 50x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Primoris Services Corporation (PRIM) trades at 16. 9x forward P/E versus 20. 3x for Tetra Tech, Inc. — 3. 3x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for PRIM: 58. 5% to $160. 63.

All stocks in this comparison pay dividends.

Tetra Tech, Inc. (TTEK) offers the highest yield at 0. 8%, versus 0. 3% for Primoris Services Corporation (PRIM).

For long-horizon retirement investors, Tetra Tech, Inc.

(TTEK) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 53), 0. 8% yield, +451. 8% 10Y return). Primoris Services Corporation (PRIM) carries a higher beta of 1. 83 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (TTEK: +451. 8%, PRIM: +359. 9%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Industrials sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: TTEK is a small-cap quality compounder stock; PRIM is a small-cap high-growth stock. TTEK pays a dividend while PRIM does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.