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Willdan Group vs Acorn Energy: WLDN and ACFN compared
Willdan Group is the larger company: $215M of revenue in its latest quarter (Q3 2026) against $2.6M for Acorn Energy (Q3 2026). Willdan Group is growing faster (+18% against +5% a year earlier). Willdan Group is more profitable, with an operating margin of 7.6% against 7.3%.
Where the money goes: WLDN and ACFN
Willdan Group (WLDN) · Q3 2026
Willdan Group, Q3 2026: revenue $215M (+18% year over year), operating margin 7.6%, net earnings $11.9M, operating cash flow $13.4M. The chart follows the revenue to costs, profit and cash.
Acorn Energy (ACFN) · Q3 2026
Acorn Energy, Q3 2026: revenue $2.6M (+5% year over year), operating margin 7.3%, net earnings $940K, operating cash flow $999K. The chart follows the revenue to costs, profit and cash.
| Willdan Group (WLDN) | Acorn Energy (ACFN) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $215M | $2.6M |
| Revenue growth, Y/Y | +18% | +5% |
| Gross margin | 38.4% | 80.5% |
| Operating margin | 7.6% | 7.3% |
| Net earnings | $11.9M | $940K |
| Net margin | 5.5% | 36.3% |
| Operating cash flow | $13.4M | $999K |
| Free cash flow | $11.9M | — |
| Market value | $1.2B | — |
| P/E | 17.7× | — |
| Analysts’ mean target | $137.50 | — |
Where the revenue comes from
Willdan Group
- Energy: $185M (86%)
- Engineering and Consulting: $29.7M (14%)
Acorn Energy
- Monitoring: $1.6M (60%)
- Hardware: $1.0M (40%)
Questions
Which is bigger, Willdan Group or Acorn Energy?
Willdan Group is the larger company: $215M of revenue in its latest quarter (Q3 2026) against $2.6M for Acorn Energy (Q3 2026).
Is Willdan Group or Acorn Energy growing faster?
Willdan Group is growing faster (+18% against +5% a year earlier).
Which is more profitable, Willdan Group or Acorn Energy?
Willdan Group is more profitable, with an operating margin of 7.6% against 7.3%.
More: Willdan Group earnings · how Willdan Group makes money · Acorn Energy earnings · how Acorn Energy makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 6, 2026; 10-Q filed Nov 5, 2026). Fiscal quarters can end on different dates. Not investment advice.