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Gibraltar Industries vs Insteel Industries: ROCK and IIIN compared
Gibraltar Industries is the larger company: $480M of revenue in its latest quarter (Q3 2026) against $209M for Insteel Industries (Q4 FY26). Gibraltar Industries is growing faster (+54% against +18% a year earlier). Gibraltar Industries is more profitable, with an operating margin of 10.3% against 4.9%.
Where the money goes: ROCK and IIIN
Gibraltar Industries (ROCK) · Q3 2026
Gibraltar Industries, Q3 2026: revenue $480M (+54% year over year), operating margin 10.3%, net earnings $11.7M, operating cash flow $1.2M. The chart follows the revenue to costs, profit and cash.
Insteel Industries (IIIN) · Q4 FY26
Insteel Industries, Q4 FY26: revenue $209M (+18% year over year), operating margin 4.9%, net earnings $7.7M, operating cash flow $18.6M. The chart follows the revenue to costs, profit and cash.
| Gibraltar Industries (ROCK) | Insteel Industries (IIIN) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q4 FY26 |
| Revenue | $480M | $209M |
| Revenue growth, Y/Y | +54% | +18% |
| Gross margin | 24.0% | 10.0% |
| Operating margin | 10.3% | 4.9% |
| Net earnings | $11.7M | $7.7M |
| Net margin | 2.4% | 3.7% |
| Operating cash flow | $1.2M | $18.6M |
| Free cash flow | — | $15.9M |
| Market value | $971M | $583M |
| P/E | 20.4× | 19.8× |
| Analysts’ mean target | $75.25 | $37.00 |
Where the revenue comes from
Gibraltar Industries
- Residential: $399M (83%)
- Agtech: $59.3M (12%)
- Infrastructure: $21.3M (4%)
Insteel Industries
- Welded Wire Reinforcement: $135M (65%)
- PC Strand: $73.9M (35%)
Questions
Which is bigger, Gibraltar Industries or Insteel Industries?
Gibraltar Industries is the larger company: $480M of revenue in its latest quarter (Q3 2026) against $209M for Insteel Industries (Q4 FY26).
Is Gibraltar Industries or Insteel Industries growing faster?
Gibraltar Industries is growing faster (+54% against +18% a year earlier).
Which is more profitable, Gibraltar Industries or Insteel Industries?
Gibraltar Industries is more profitable, with an operating margin of 10.3% against 4.9%.
More: Gibraltar Industries earnings · how Gibraltar Industries makes money · Insteel Industries earnings · how Insteel Industries makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 5, 2026; 10-K filed Oct 29, 2026). Fiscal quarters can end on different dates. Not investment advice.