Engineering Services stocks: intrinsic value, ROIC & growth
8 U.S. engineering services companies with at least three years of SEC filings, ranked by size. 3 of the 4 with a current price trade below their Graham intrinsic value. The median company earned a 10.2% average return on invested capital and grew revenue 3.2% a year.
Updated October 18, 2026
8companies
3below Graham value
10.2%median 10-yr ROIC
3.2%median revenue CAGR
Most undervalued engineering services stocks
| Ticker | Company | Upside | Price | Graham value | Price vs value | Market cap | ROIC (10y) | Revenue CAGR |
|---|---|---|---|---|---|---|---|---|
| ACM | AECOM | +137% | $58.94 | $139.84 | 58% below | $7.9B | 10.2% | -0.8% |
| WLDN | Willdan Group, Inc. | +49% | $72.23 | $107.85 | 33% below | $1.1B | 10.5% | 22.7% |
Highest-ROIC engineering services stocks
| Ticker | Company | 10-yr ROIC | Price | Graham value | Price vs value | Market cap | ROIC (10y) | Revenue CAGR |
|---|---|---|---|---|---|---|---|---|
| TTEK | TETRA TECH INC | 13.9% | $34.72 | $29.43 | 18% above | $9.3B | 13.9% | 8.6% |
| WLDN | Willdan Group, Inc. | 10.5% | $72.23 | $107.85 | 33% below | $1.1B | 10.5% | 22.7% |
| ACM | AECOM | 10.2% | $58.94 | $139.84 | 58% below | $7.9B | 10.2% | -0.8% |
| VSEC | VSE CORP | 5.6% | $164.08 | — | — | $3.5B | 5.6% | 5.4% |
| MG | Mistras Group, Inc. | 1.7% | $21.46 | — | — | $688.0M | 1.7% | 0.1% |
All engineering services stocks
| Ticker | Company | Price | Graham value | Price vs value | Market cap | ROIC (10y) | Revenue CAGR |
|---|---|---|---|---|---|---|---|
| TTEK | TETRA TECH INC | $34.72 | $29.43 | 18% above | $9.3B | 13.9% | 8.6% |
| ACM | AECOM | $58.94 | $139.84 | 58% below | $7.9B | 10.2% | -0.8% |
| VSEC | VSE CORP | $164.08 | — | — | $3.5B | 5.6% | 5.4% |
| WLDN | Willdan Group, Inc. | $72.23 | $107.85 | 33% below | $1.1B | 10.5% | 22.7% |
| MG | Mistras Group, Inc. | $21.46 | — | — | $688.0M | 1.7% | 0.1% |
| HYOR | HyOrc Corp | $0.07 | — | — | $54.9M | 311.4% | -90.4% |
| ACFN | ACORN ENERGY, INC. | $18.33 | $32.88 | 44% below | $46.5M | 7.2% | 3.2% |
| NGHI | Galenfeha, Inc. | $0.55 | — | — | — | -326.3% | — |
Stock lists
Undervalued Stocks Below Graham Intrinsic Value
Highest ROIC Stocks (10-Year Average)
Highest Free Cash Flow Yield Stocks
Fastest-Growing Stocks by 10-Year Revenue