Koenig Iron Works
Koenig Iron Works is a third-generation, family-owned steel fabricator and erector founded in 1907 in New York City, serving commercial, institutional, and Broadway theatrical clients in the New York metropolitan area with structural steel, custom stairs and railings, and miscellaneous metal work.
- Company typePrivate
- Founded1907
- HeadquartersNew York, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Koenig Iron Works does
Koenig Iron Works is a third-generation, family-owned structural and miscellaneous steel fabricator headquartered in New York City, operating exclusively in the New York metropolitan area since 1907. The company runs from a corporate office in Midtown Manhattan (108 West 39th Street) and a 50,000-square-foot fabrication facility on a six-acre site in Chester, New York. Its three core product lines are structural steel fabrication and erection, custom architectural stairs and railings (fabricated from aluminum, brass, bronze, stainless steel, and wrought iron), and miscellaneous metal work — including Broadway theatrical props, lighting supports, sound trusses, store fronts, and custom specialty fabrication. The customer base is enterprise and concentrated, comprising top NYC general contractors (Turner, Tishman, Structure Tone, HITT, Sciame), major commercial real estate developers (SL Green, Vornado, Macklowe), institutional owners (Columbia University since 1940, NYU, Fordham, The New School, Mt. Sinai Hospital, NYU Hospital, the Guggenheim), and Broadway theatrical clients.
The technology stack centers on a fully integrated computerized fabrication workflow: Tekla 3D detailing software for model-based project visualization and clash detection, CNC plasma cutting for high-throughput steel cutting, and a recently installed FICEP drill line that the company describes as providing unmatched production capacity. Fabrication is supported by value-engineering, pre-construction cost and design estimating, and on-site field erection services that include complex environments such as high-rise buildings and structures over active commuter rail lines. The business is entirely project-based, with revenue generated through custom, one-time contracts priced on scope, materials, and complexity — there is no subscription, recurring, or licensing revenue stream, and no public pricing.
Distribution is direct and reputation-driven: no channel partners, no intermediaries, and limited digital marketing beyond a corporate website, project galleries, and a LinkedIn presence. The leadership team is unusually long-tenured — President & CEO Barry Leistner (since August 1979, also a Nathan's Famous Inc. board director), CFO Alan Guthertz (since September 1991), COO Nick Morisset (since December 2009), and Chief Estimator Rajiv Paralkar (Chief Estimator since 2003, with Koenig since 1986). The company has no external investment or private equity backing disclosed, has survived multiple economic downturns (the 1929 crash, the Great Depression, the World Wars, and the 2008 Great Recession), and continues to operate as a privately held corporation under family ownership.
Koenig Iron Works firmographics
Firmographics- Name
- Koenig Iron Works
- Legal name
- Koenig Iron Works, Inc.
- Website
- https://koenigiron.com
- Company type
- Private
- Founded year
- 1907
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Koenig Iron Works is a third-generation, family-owned steel fabricator and erector founded in 1907 in New York City, serving commercial, institutional, and Broadway theatrical clients in the New York metropolitan area with structural steel, custom stairs and railings, and miscellaneous metal work.
- Ownership category
- akta.pro rank
Koenig Iron Works industry classification
Industry- Product category
- Structural Steel Fabrication
- NAICS
- Fabricated Structural Metal Manufacturing (332312), Architectural and Structural Metals Manufacturing (3323)
- SIC
- Fabricated Structural Metal Products (3440), Miscellaneous Fabricated Metal Products (3490)
- akta.pro primary industry
- Structural Steel Fabrication (IMADACAA)
- akta.pro secondary industries
- Architectural & Miscellaneous Metals (Stairs, Railings, Ladders) (IMADACAE), Steel Plate, Sections & Welded Assemblies (IMADACAD)
Keywords
Where Koenig Iron Works is headquartered
LocationHeadquarters
- HQ city
- New York
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Koenig Iron Works business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales
Revenue model
- Structural Steel Fabrication and Erection: Project-based steel construction services including fabrication and field erection for structural steel projects. Revenue generated through custom project contracts with pricing based on scope, materials, and complexity.
- Stairs and Railings: Custom architectural stairs and railings including curved, circular, monumental, fire stairs, and industrial/commercial/residential applications. Fabricated from exotic metals including aluminum, brass, bronze, stainless steel, and wrought iron.
- Miscellaneous Metal Work: Specialty metal fabrication including theatrical props, light boxes, cat walks, grating, lighting supports, store fronts, furniture, and shelving systems. Industry-leading innovative design jobs and custom specialty work.
- Field Erection Services: On-site steel erection and installation services for projects ranging from simple to complex environments including high-rise buildings and structures over busy commuter rail lines.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
Koenig Iron Works product offering
Product offeringCore offering
Koenig Iron Works is a New York-based steel fabricator and erector that produces structural steel, custom architectural stairs and railings (in materials including stainless steel, bronze, brass, aluminum, and wrought iron), and miscellaneous metal work such as theatrical props, storefronts, catwalks, and specialty fabrications. The company operates a 50,000 sq ft computerized fabrication facility in Chester, NY, leveraging Tekla 3D modeling, CNC plasma cutting, and a FICEP drill line, and provides integrated services from pre-construction cost/design estimation through fabrication to on-site field erection.
Product overview
Koenig Iron Works is a single-platform steel construction company offering three integrated core product lines: Structural Steel Fabrication, Stairs and Railings, and Miscellaneous Metal work, supported by ancillary services including Cost/Design Estimates, Field Erection, and Project Planning and Safety. All three core products share the company's 50,000 sq ft computerized fabrication facility, Tekla 3D modeling technology, CNC plasma cutting, and FICEP drill line, with projects managed through the same skilled staff and engineering team from concept through installation.
Differentiator
Problem solved
Functional benefit
Products and services
- Structural Steel Fabrication Structural steel fabrication and erection services for commercial and high-rise construction projects, using a 50,000 sq ft state-of-the-art facility, computerized fabrication equipment, and value-engineering principles to deliver projects on schedule and on budget. Used by general contractors, developers, and institutions in the New York metropolitan area.
- Stairs and Railings Custom architectural stairs and railings — including curved, circular, monumental, and fire stairs — fabricated from exotic metals such as aluminum, brass, bronze, stainless steel, and wrought iron, for industrial, commercial, and high-rise applications.
- Miscellaneous Metal Work Specialty metal fabrication including theatrical props, light boxes, sound trusses, boom ladders, catwalks, grating, lighting supports, store fronts, furniture, and shelving systems — industry-leading innovative custom work for Broadway and commercial clients.
- Field Erection Services On-site steel erection and installation services for projects ranging from simple to complex environments, including high-rise buildings and structures over active commuter rail lines, delivered with Koenig's own crews and safety-first approach.
Companies that use Koenig Iron Works
Customer profileNamed customers16 records
Segments4 records
Ideal customer profiles4 records
Koenig Iron Works technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Koenig Iron Works partnerships and signals
Strategic signalScale indicators3 records
Recent moves5 records
Expansion highlights3 records
Koenig Iron Works competitors and assessment
Company assessmentDirect peers
- Steel Fab Enterprises: Pennsylvania-based structural steel and miscellaneous metals fabricator serving commercial construction. Direct peer in fabricated structural and miscellaneous metal products.
- Owen Steel Company: New Jersey-based structural steel fabricator with a comparable product mix of structural steel, stairs/railings, and miscellaneous metals. Direct regional competitor given proximity to Koenig's NYC market.
- SME Steel Contractors: Utah-headquartered structural steel fabricator with national reach on commercial and institutional projects. Directly comparable in structural steel fabrication scope and project-based delivery model.
- LeJeune Steel Company: Minneapolis-based structural and miscellaneous metals fabricator serving commercial construction. Direct peer in fabricated structural metal products with comparable capabilities in stairs, railings, and ornamental metals.
- AFCO Steel: One of the largest US structural steel fabricators, producing fabricated structural and miscellaneous metal products for commercial, industrial, and infrastructure projects. Directly competes with Koenig in the structural steel fabrication market with similar product scope.
- Metallic Arts: Architectural metalwork manufacturer specializing in ornamental metals, stairs, and railings for commercial and institutional buildings. Direct peer specifically for Koenig's stairs & railings and miscellaneous metals product lines.
- Sauk Steel: Midwest-based structural steel fabricator serving commercial and industrial construction with comparable capabilities in fabricated structural products and miscellaneous metals.
- Haskell Steel: Structural steel fabricator serving commercial and industrial construction markets. Directly comparable in fabricated structural metal products and project-based delivery model.
- Capitol Steel & Iron: Structural steel fabrication company serving commercial construction with similar product scope. Direct peer in fabricated structural metal products.
Regional players
- Canatal Industries: Quebec, Canada-based structural steel fabricator serving eastern North American commercial construction markets. Comparable in fabricated structural products and project-based delivery, though primarily Canada-focused.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
Koenig Iron Works social profiles
Digital presenceKoenig Iron Works financial estimates
Financial estimateRevenue estimate
Valuation estimate
Koenig Iron Works leadership team
Management profileNumber of profiles
Profiles6 records
Koenig Iron Works funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Koenig Iron Works M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Koenig Iron Works
What does Koenig Iron Works do?
Koenig Iron Works is a New York-based steel fabricator and erector that produces structural steel, custom architectural stairs and railings (in materials including stainless steel, bronze, brass, aluminum, and wrought iron), and miscellaneous metal work such as theatrical props, storefronts, catwalks, and specialty fabrications. The company operates a 50,000 sq ft computerized fabrication facility in Chester, NY, leveraging Tekla 3D modeling, CNC plasma cutting, and a FICEP drill line, and provides integrated services from pre-construction cost/design estimation through fabrication to on-site field erection.
Is Koenig Iron Works a public or private company?
Koenig Iron Works is a private company. It is classified as family owned and is currently operating.
When was Koenig Iron Works founded?
Koenig Iron Works was founded in 1907. It employs 11 to 50 people.
Where is Koenig Iron Works based?
Koenig Iron Works is headquartered in New York, United States, in the North America region.
How does Koenig Iron Works make money?
Four revenue lines are on record. Structural Steel Fabrication and Erection is the primary driver. The others are stairs and Railings, miscellaneous Metal Work and field Erection Services.
Who are Koenig Iron Works's main competitors?
Direct peers on record are Steel Fab Enterprises, Owen Steel Company, SME Steel Contractors, LeJeune Steel Company, AFCO Steel, Metallic Arts, Sauk Steel, Haskell Steel and Capitol Steel & Iron. Canatal Industries is listed as a regional player.
Does Koenig Iron Works have an API?
No public API is recorded for Koenig Iron Works.
What industry is Koenig Iron Works in?
Koenig Iron Works's product category is Structural Steel Fabrication. Its primary akta.pro industry code is IMADACAA, Structural Steel Fabrication, with a secondary code of IMADACAE, Architectural & Miscellaneous Metals (Stairs, Railings, Ladders). Its NAICS code is 332312 and its SIC code is 3440.