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Mistras Group vs Acorn Energy: MG and ACFN compared
Mistras Group is the larger company: $205M of revenue in its latest quarter (Q3 2026) against $2.6M for Acorn Energy (Q3 2026). Mistras Group is growing faster (+5% against +5% a year earlier). Mistras Group is more profitable, with an operating margin of 7.4% against 7.3%.
Where the money goes: MG and ACFN
Mistras Group (MG) · Q3 2026
Mistras Group, Q3 2026: revenue $205M (+5% year over year), operating margin 7.4%, net earnings $6.9M, operating cash flow $11.7M. 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.
| Mistras Group (MG) | Acorn Energy (ACFN) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $205M | $2.6M |
| Revenue growth, Y/Y | +5% | +5% |
| Gross margin | 30.3% | 80.5% |
| Operating margin | 7.4% | 7.3% |
| Net earnings | $6.9M | $940K |
| Net margin | 3.4% | 36.3% |
| Operating cash flow | $11.7M | $999K |
| Free cash flow | $686K | — |
Where the revenue comes from
Mistras Group
- Oil & Gas: $99.4M (49%)
- Aerospace & Defense: $28.6M (14%)
- Industrials: $24.7M (12%)
- Infrastructure, Research & Engineering: $18.0M (9%)
Acorn Energy
- Monitoring: $1.6M (60%)
- Hardware: $1.0M (40%)
Questions
Which is bigger, Mistras Group or Acorn Energy?
Mistras Group is the larger company: $205M of revenue in its latest quarter (Q3 2026) against $2.6M for Acorn Energy (Q3 2026).
Is Mistras Group or Acorn Energy growing faster?
Mistras Group is growing faster (+5% against +5% a year earlier).
Which is more profitable, Mistras Group or Acorn Energy?
Mistras Group is more profitable, with an operating margin of 7.4% against 7.3%.
More: Mistras Group earnings · how Mistras 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 2, 2026; 10-Q filed Nov 5, 2026). Fiscal quarters can end on different dates. Not investment advice.