Insteel Industries, Inc. (IIIN) is a Materials stock trading at $30.32 (as of 2026-09-02), with a market capitalization of $586.94M and a trailing P/E of 16.1. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.
Insteel Industries, Inc., together with its subsidiaries, manufactures and markets steel wire reinforcing products for concrete construction applications. The company offers prestressed concrete strand (PC strand) and welded wire reinforcement (WWR) products. Its PC strand is a seven-wire strand that is used to impart compression forces into precast concrete elements and structures providing reinforcement for bridges, parking decks, buildings, and other concrete structures. The company's WWR engineered reinforcing product is used in nonresidential and residential construction. It produces a range of WWR products, such as engineered structural mesh, an engineered made-to-order product that is used as the primary reinforcement for concrete elements or structures serving as a reinforcing solution for hot-rolled rebar; concrete pipe reinforcement, an engineered made-to-order product, which is used as the primary reinforcement in concrete pipe, box culverts, and precast manholes for drainage and sewage systems, water treatment facilities, and other related applications; and standard welded wire reinforcement, a secondary reinforcing product for crack control applications in residential and light nonresidential construction, including driveways, sidewalks, and various slab-on-grade applications. The company sells its products through sales representatives to the manufacturers of concrete products, rebar fabricators, distributors, and contractors primarily in the United States, Canada, Mexico, and Central and South America. Insteel Industries, Inc. was founded in 1953 and is headquartered in Mount Airy, North Carolina.
Insteel manufactures steel wire reinforcement products (prestressed concrete strand and welded wire mesh) for bridges, buildings, and data centers, sold to precast concrete makers and general contractors. Its economics hinge on the spread between finished-steel prices and raw wire-rod costs, with data-center concrete work now a meaningful new demand driver.
Profit equals the per-ton spread between finished strand and mesh prices and domestic wire-rod costs, with import volumes setting the ceiling on how much domestic producers can charge.
Business quality (Weak): Thin-margin commodity business: 10.2% gross and roughly 6% operating margins leave little room for cost shocks, and the 7% ROE confirms shareholders are paid only when steel spreads widen.
Valuation: At 22× earnings, IIIN trades in line with the Steel Works average (22×).
| Price | $30.32 |
| Market Cap | $586.94M |
| P/E Ratio | 16.1 |
| EV / EBITDA | 8.6 |
| Price / Book | 1.58 |
| Price / Sales | 0.83 |
| FCF Yield | 3.2% |
| DCF Value (model) | $42.70 |
| DCF Upside vs Price | 40.8% |
| Revenue (TTM) | $647.71M |
| Net Margin | 6.3% |
| Revenue Growth (YoY) | 9.9% |
| EPS Growth (YoY) | -41.0% |
| FCF Growth (YoY) | -76.2% |
| Altman Z-Score | 6.93 (safe) |
| Stock P/E | 16.1 |
| Sector P/E (Materials) | 23.9 |
| Industry P/E (Steel Works) | 21.0 |
| vs Sector | -32.5% |
| vs Industry | -23.3% |
| Top Institutional Holder | BlackRock, Inc. ($95.75M) |
| Institutional Holders Tracked | 10 |
| Sector | Materials |
| Industry | Steel Works |
| CEO | Howard Osler Woltz |
| Employees | 929 |
| Country | US |
| IPO Date | 1992-03-17 |
Data as of 2026-09-02.
Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.