AGX vs MYRG vs PWR vs MTZ vs PRIM

For growth investors, Argan, Inc.

(AGX) is the stronger pick with 52. 5% revenue growth year-over-year, versus 8. 8% for MYR Group Inc. (MYRG). Primoris Services Corporation (PRIM) offers the better valuation at 21. 5x trailing P/E (18. 1x forward), making it the more compelling value choice. Analysts rate Argan, Inc. (AGX) a "Buy" — based on 7 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 21.

5x versus Argan, Inc. at 112. 2x. On forward P/E, Primoris Services Corporation is actually cheaper at 18. 1x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Primoris Services Corporation wins at 0. 98x versus MasTec, Inc. 's 16. 37x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Argan, Inc.

(AGX) delivered a total return of +1285%, compared to +234. 4% for Primoris Services Corporation (PRIM). Over 10 years, the gap is even starker: PWR returned +31. 4% versus PRIM's +402. 0%. 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), Quanta Services, Inc.

(PWR) is the lower-risk stock at 1. 30β versus Primoris Services Corporation's 1. 83β — meaning PRIM is approximately 41% more volatile than PWR relative to the S&P 500. On balance sheet safety, Argan, Inc. (AGX) carries a lower debt/equity ratio of 1% versus 84% for MasTec, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Argan, Inc.

(AGX) is pulling ahead at 52. 5% versus 8. 8% for MYR Group Inc. (MYRG). On earnings-per-share growth, the picture is similar: MYR Group Inc. grew EPS 311. 5% year-over-year, compared to 12. 8% for Quanta Services, Inc.. Over a 3-year CAGR, AGX leads at 19. 7% 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.

Argan, Inc.

(AGX) is the more profitable company, earning 9. 8% net margin versus 2. 8% for MasTec, Inc. — meaning it keeps 9. 8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AGX leads at 10. 1% versus 4. 4% for MYRG. At the gross margin level — before operating expenses — AGX leads at 16. 1%, 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. 98x versus MasTec, Inc. 's 16. 37x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Primoris Services Corporation (PRIM) trades at 18. 1x forward P/E versus 62. 5x for Argan, Inc. — 44. 5x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for PRIM: 48. 7% to $160. 63.

In this comparison, PRIM (0.

3% yield), AGX (0. 2% yield) pay a dividend. MYRG, PWR, MTZ do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Argan, Inc.

(AGX) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+1987% 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 (AGX: +1987%, PRIM: +402. 0%), 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: AGX is a small-cap high-growth stock; MYRG is a small-cap quality compounder stock; PWR is a mid-cap high-growth stock; MTZ is a mid-cap high-growth stock; PRIM is a small-cap high-growth stock. 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.