Insteel Industries

What Insteel Industries does

Insteel Industries, Inc. (NYSE: IIIN), founded in 1953 and headquartered in Mount Airy, North Carolina, is the nation's largest manufacturer of steel wire reinforcing products for concrete construction applications. The company operates eleven manufacturing facilities strategically positioned across the United States and produces five core product lines: Welded Wire Reinforcement (WWR) including engineered structural mesh, standard welded wire reinforcement, and concrete pipe reinforcement; Prestressed Concrete Strand (PC Strand); Drawn Wire; Formed Wire (Spirals); and Cast-in-Place integrated services. Products conform to ASTM standards (A1064 and A416) and serve bridges, stadiums, commercial buildings, infrastructure projects, and residential construction, with approximately 85% of sales tied to non-residential construction and 15% to residential construction.

The company manufactures by cold-working hot-rolled steel wire rod into wire, welding it into mats, or stranding it into PC strand, with sophisticated information systems supporting production and freight optimization. Insteel claims to be the only U.S. organization providing estimating, sales, project management, detailing, and manufacturing under one roof for cast-in-place concrete reinforcing applications, an integration capability that serves complex non-residential projects. The portfolio has been built and expanded through a sustained M&A roll-up strategy, with notable transactions including Ivy Steel & Wire (2010), American Spring Wire's PC strand business (2014), Ortiz Engineered Products (2017), Strand-Tech Manufacturing (2020), and the Engineered Wire Products and O'Brien Wire Products acquisitions in 2024 (combined $70 million cash transaction).

Insteel employs a B2B direct sales model through regionally positioned sales representatives, supplemented by a website-based request-a-quote system, serving concrete product manufacturers across end markets including aviation, commercial, federal, healthcare, hospitality, industrial, infrastructure, institutional, mission critical, multifamily, municipal, recreational, and warehouse/distribution. Pricing is quote-based with no public disclosure. Quarterly revenue figures (Q1 fiscal 2026: $159.9M, +23.3% YoY; Q2 fiscal 2026: $172.7M, +7.5% YoY; Q4 fiscal 2025: $177.4M) imply annual revenue in the $640-680 million band. The company is publicly traded, with institutional investors holding approximately 83% of stock, and operates without a parent company under the leadership of CEO H.O. Woltz III (third-generation of the founding family).

Name

Insteel Industries

Legal name

Insteel Industries, Inc.

Website

https://insteel.com

Company type

Public

Founded year

1953

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Insteel Industries, Inc. is the nation's largest manufacturer of steel wire reinforcing products for concrete construction, operating eleven U.S. facilities that produce welded wire reinforcement, PC strand, drawn wire, and formed wire. The company sells B2B via direct regional sales reps to concrete product manufacturers serving primarily non-residential construction.

Ownership category

akta.pro rank

Product category

Steel Wire Reinforcing Products for Concrete Construction

NAICS

Steel Wire Drawing (331222), Other Fabricated Wire Product Manufacturing (332618), Spring and Wire Product Manufacturing (33261)

akta.pro primary industry

Rebar Fabrication & Reinforcing Products (IMADACAH)

akta.pro secondary industry

Masonry Accessories & Reinforcement (Lintels, Ties, Mesh, Rebar) (IMADABAK)

Keywords

• Steel wire reinforcement
• Welded wire mesh
• Prestressed concrete strand
• Concrete pipe reinforcement
• Structural steel manufacturing

Headquarters

HQ city

Mount Airy

HQ country

United States

HQ region

North America

Offices12 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure

Revenue model

1. Steel Wire Reinforcing Products: Manufacture and sale of steel wire reinforcing products for concrete construction applications. Primary products include welded wire reinforcement (engineered structural mesh, standard welded wire reinforcement, concrete pipe reinforcement), prestressed concrete strand, drawn wire, and formed wire. Revenue is generated through product sales to manufacturers of concrete products primarily serving non-residential construction (approximately 85% of sales) and residential construction (approximately 15% of sales).

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

Insteel Industries manufactures and markets steel wire reinforcing products for concrete construction applications, including welded wire reinforcement (engineered structural mesh, standard welded wire reinforcement, and concrete pipe reinforcement), prestressed concrete strand, drawn wire, and formed wire. The company also provides integrated cast-in-place services combining estimating, sales, project management, detailing and manufacturing under one roof, making it the only U.S. organization offering this full scope for cast-in-place concrete reinforcement.

Product overview

Insteel Industries is a single-product portfolio company specializing in steel wire reinforcing products for concrete construction. The company manufactures and markets five core product lines: Welded Wire Reinforcement (WWR), PC Strand (Prestressed Concrete Strand), Drawn Wire, Formed Wire, and Cast-in-place services. WWR encompasses Engineered Structural Mesh (ESM), Standard Welded Wire Reinforcement (SWWR), and Concrete Pipe Reinforcement (CPR) sub-products. The company operates eleven manufacturing facilities strategically located across the United States and is the nation's largest manufacturer of both WWR and PC strand. Approximately 85% of sales are related to nonresidential construction and 15% to residential construction. The company targets markets including aviation, commercial, federal, healthcare, hospitality, industrial, infrastructure, institutional, mission critical, multifamily, municipal, recreational, and warehouse/distribution sectors.

Differentiator

Problem solved

Functional benefit

Products and services

• Welded Wire Reinforcement (WWR) Insteel is the largest producer of welded wire reinforcement in the United States, offering engineered structural mesh (ESM), standard welded wire reinforcement (SWWR) and concrete pipe reinforcement (CPR) products conforming to ASTM A1064 for concrete construction applications including bridges, stadiums, commercial buildings, infrastructure and residential construction.
• PC Strand (Prestressed Concrete Strand) Insteel is the largest producer of PC strand in the United States, offering a complete line of seven-wire and three-wire, ASTM A416 compliant, 270 ksi, low relaxation PC strand for prestress, post-tension and mining applications.
• Drawn Wire Drawn wire products including continuous length, straightened and cut, and prestressing single wire, cold-worked from steel wire rod with yield range of 65 ksi to 80 ksi, conforming to ASTM A1064.
• Formed Wire (Spirals) Continuous spirals for concrete reinforcing applications, drawn and formed to meet unique shape and wire diameter specifications for prestressed concrete piles, columns, beams and poles.
• Cast-in-place Services The only organization in the country providing estimating, sales, project management, detailing and manufacturing under one roof for welded wire reinforcement in cast-in-place concrete applications, serving seven manufacturing plants nationwide.

Quantifiable outcome

• Grade 80 steel conversion can reduce overall reinforcement steel tonnage by 15-20%
• +2 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Engineered Wire Products Inc.coreStrategic or Co-development Partner · 21 October 2024Acquisition of Engineered Wire Products (EWP) for $70 million through an asset transaction funded by cash on hand. The acquisition aims to expand Insteel's geographic footprint, enhance customer service capabilities, improve operational efficiency, and strengthen competitive position in the Midwest market.

Scale indicators6 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Nucor Corporation: Nucor is the largest U.S. steel producer with a dedicated wire products division (Nucor Wire Products) that overlaps with Insteel's welded wire reinforcement and drawn wire lines. It is a much larger, diversified competitor that competes on scale and steel mill integration rather than Insteel's project-services focus.
• Commercial Metals Company (CMC): CMC is a major U.S. producer of rebar, structural steel, and concrete reinforcing products with significant overlap with Insteel's welded wire reinforcement and concrete pipe reinforcement product lines. Its vertical integration into steelmaking and rebar fabrication makes it a key broad competitor in concrete construction reinforcement.
• Gerdau Ameristeel: Gerdau is a leading long steel producer in the Americas with a significant rebar and wire rod footprint that competes with Insteel in concrete reinforcement products. Its North American operations position it as a broad competitor in steel wire reinforcement supply.
• Steel Dynamics: Steel Dynamics is a major U.S. flat and long steel producer with fabricated steel products exposure overlapping Insteel's downstream concrete reinforcement market. While its primary focus is steelmaking, its long products division competes for adjacent share.
• Leggett & Platt: Leggett & Platt operates a wire products segment producing drawn wire and wire-formed components that overlaps with Insteel's drawn wire product line. While much broader and more diversified, its wire products division competes with Insteel in industrial and construction wire applications.

Direct peers

• Davis Wire Corporation: Davis Wire is a direct competitor manufacturing welded wire reinforcement, drawn wire, and related concrete reinforcement products for similar concrete construction end-markets. It is among the closest direct comparables to Insteel in product mix and customer base.
• Oklahoma Steel & Wire: Oklahoma Steel & Wire is a regional manufacturer of welded wire reinforcement and other wire products serving concrete construction markets in the South-Central U.S. It overlaps with Insteel's standard welded wire reinforcement product line for both residential and non-residential applications.
• Cascade Steel Rolling Mills: Cascade Steel produces rebar and wire rod used as inputs to welded wire reinforcement, directly upstream of and competitive with Insteel's products. It competes for share in concrete reinforcement markets on the U.S. West Coast.
• Tree Island Steel: Tree Island Steel manufactures welded wire reinforcement, steel nails, and wire products for construction markets with similar product lines to Insteel's. It is a publicly traded direct comparable in the North American concrete reinforcement value chain.

Emerging players

• WireCo WorldGroup: WireCo is a global manufacturer of wire rope, synthetic rope, and engineered wire products with partial overlap with Insteel's drawn wire and formed wire categories. It is more internationally diversified but competes for adjacent wire-product wallet share in industrial and construction end-markets.

Market position

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Insteel Industries