LB Steel LLC

What LB Steel LLC does

LB Steel LLC is a privately held, vertically integrated steel manufacturing services provider headquartered in Harvey, Illinois, operating from a 450,000 square-foot manufacturing campus with a second facility in Warren, Ohio under its Concord Steel division. The company's core offering is outsourced machining, fabricating, burning, welding, painting, forming, leveling, and assembly for customers that would rather buy finished or semi-finished steel components than operate in-house capacity. Technical capability centers on more than 40 CNC machining centers (Haas VF, Mitsubishi MVR), oxy-fuel/plasma/laser cutting tables handling plate up to 270 inches wide and 16 inches thick, robotic welding workstations, and a certified chemistry plate program covering 1/2 inch to 10 inch thicknesses supported by in-house metallurgists performing 13-element analyses and 10-point inspections. Quality credentials include DEKRA ISO 9001, EN 15085-2 (railway welding), and ASME Pressure Vessel certification, which together gate entry into rail, oil & gas, and other regulated end markets.

The business operates through a sales-led, direct-only distribution model led by a Vice President of Sales, a Plate Sales Manager, and a VP of Operations. Revenue is generated via custom, project-based quoting on machining services, fabrication and burning work, plate distribution (savings of 10-40% versus prime plate), Concord Steel counterweights (in which the company claims the world's largest supplier position), and Protective Door Industries (PDI) high-range armor steel plate doors rated to 1,000 PSI blast or tornado resistance. Customer mix is diversified across six verticals — construction equipment, railway and locomotive, wind energy, mining, agricultural, and oil & gas — with North America as the sole disclosed operating geography. Pricing is fully quote-based with no public tiers; the company positions its speed-to-production (next-day start after quote approval) and integrated collaborative services (foundry selection, heat treating, metallurgical testing, metrology, FEA, logistics) as the primary wedge against competitors.

The company is owned independently as an LLC, with no disclosed institutional investors, and operates as a division of LB Metals LLC for certification purposes. No founding year is publicly disclosed, and revenue is not reported; the two operating subsidiaries (Concord Steel and PDI) function as adjacent operating and acquired-brand-retained entities, respectively, and provide modest product-line diversification beyond the core contract-manufacturing model.

Name

LB Steel LLC

Legal name

LB Steel LLC

Website

https://lb-steel.com

Company type

Private

Founded year

2001

Operating status

Operating

Headcount range

101–250 employees

Short description

LB Steel LLC is a privately held, vertically integrated steel manufacturing services provider in Harvey, IL, offering outsourced machining, fabricating, welding, painting, plate supply, and assembly to construction, rail, wind, mining, agricultural, and oil & gas OEMs. It operates 450,000 sq. ft. of capacity, 40+ CNC centers, and runs the Concord Steel counterweight and PDI armor door subsidiaries.

Ownership category

akta.pro rank

Product category

Steel Manufacturing Services

NAICS

Plate Work Manufacturing (332313), Steel Product Manufacturing from Purchased Steel (3312), Coating, Engraving, Heat Treating, and Allied Activities (3328)

SIC

Sheet Metal Work (3444), Metal Forgings & Stampings (3460)

akta.pro primary industry

Steel Plate, Sections & Welded Assemblies (IMADACAD)

akta.pro secondary industries

Cold-Formed Steel Framing & Studs (IMADACAF), Coated & Plated Steel (Galvanized, Galvalume, Tinplate, Electrogalvanized, Color-Coated) (IMAKABAG), Bridge & Infrastructure Steel Components (IMADACAL)

Keywords

• Steel manufacturing services
• CNC machining
• Steel fabrication
• Plate processing
• Structural steel

Headquarters

HQ city

Harvey

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Machining Services: LB Steel provides outsourced machining services for large-scale projects with complex intricacies. Revenue is generated through project-based machining fees based on specifications, materials, and complexity.
2. Fabricating and Burning Services: In-house fabricating and burning processes including oxy-fuel, plasma, and laser cutting. Revenue generated through per-project fabrication and burning fees.
3. Plate Products Sales: Sales of certified chemistry plate products in thicknesses from 1/2 to 10 inches. LB Steel purchases in very large volumes from domestic steel mills and sells plate products with reported savings of 10-40% versus prime plate.
4. Counterweight Products: Design and fabrication of steel counterweights for various industries including agricultural, transportation, and construction equipment. Concord Steel is described as the world's largest producer and supplier of steel counterweights.
5. Armor Steel Door Products: Custom engineered high range armor steel plate doors through Protective Door Industries (PDI) division, designed for blast or tornado resistance up to 1000 PSI.
6. Collaborative/Value-Added Services: Strategic partnership services including foundry selection, heat treating, metallurgical testing, metrology, finite element analysis, and logistics coordination.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

LB Steel is a contract steel manufacturer providing outsourced CNC machining, fabrication and welding, oxy-fuel/plasma/laser cutting, certified chemistry plate supply, press brake forming, plate leveling, industrial painting, mechanical/electrical assembly, and engineering services from its 450,000 sq. ft. Harvey, Illinois facilities. The company also produces steel counterweights through its Concord Steel division and custom armor steel plate doors through its Protective Door Industries (PDI) division. Its certified chemistry plate offerings (1/2 inch to 10 inches thick) deliver reported customer savings of 10-40% versus prime plate.

Product overview

LB Steel LLC operates as a comprehensive steel manufacturing services provider offering a unified portfolio of outsourced machining, fabricating, burning, assembly, and finishing services. The core product portfolio includes Plate (certified chemistry plate inventory), Machining (CNC machining centers), Fabrication & Welding (manual and robotic welding), Oxy-Fuel Burning & Plasma Cutting, Painting, Forming, Leveling, Assembly, Counterweights, Engineering, Collaborative Services, and Armor Steel Doors (via Protective Door Industries). The company operates from 450,000 square-foot manufacturing facilities in Harvey, Illinois with additional operations at Concord Steel in Warren, Ohio, serving agricultural, construction, mining equipment, railway & locomotive, wind energy, and oil & gas industries.

Differentiator

Problem solved

Functional benefit

Brands

• Concord Steel: World's largest producer and supplier of steel counterweights, elevator weights, elevator test carts, test weights, stage weights, scaffold weights, and frame weight components.
• Protective Door Industries (PDI)

Products and services

• Machining

Quantifiable outcome

• 10-40% cost savings on certified chemistry plate versus prime plate
• +4 more outcomes

Segments6 records

Ideal customer profiles4 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.

• Domestic Steel Mill PartnerscoreOthersLB Steel purchases plate in very large volumes from domestic steel mill partners, shipping via rail to ensure the most effective landed costs. These partnerships enable the company to offer certified chemistry plate at 10-40% below prime plate pricing.

Scale indicators10 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Worthington Industries: Diversified steel processor with pressure cylinder, steel processing, and consumer products businesses. Operates a steel processing segment that competes with LB Steel in flat-rolled processing and conversion.
• Ryerson (Joseph T. Ryerson & Son): Large publicly traded metal service center offering distribution plus extensive processing (cutting, machining, fabrication, finishing) across a broad industrial customer base. Overlaps with LB Steel's plate processing but operates at much greater scale and breadth.
• Reliance Steel & Aluminum: Largest metals service center company in North America, offering metal processing and fabrication services across virtually all industrial end markets. Broad incumbent competing with LB Steel on plate supply and processing for large OEM customers.

Direct peers

• Mill Steel Company: Flat-rolled steel service center and processor offering galvanized, cold-rolled, and plate products with extensive processing capabilities (blanking, cut-to-length, slitting). Comparable to LB Steel's plate distribution plus processing model.
• Steel Technologies: Flat-rolled steel processor offering blanking, cutting, and value-added processing to OEMs across automotive, appliance, and industrial markets. Similar integrated processing-plus-services business model.
• Heidtman Steel: Flat-rolled steel processor and service center providing blanking, cut-to-length, and plate processing for industrial customers. Closely comparable to LB Steel's core plate processing and downstream fabrication services.
• Olympic Steel: Flat-rolled steel service center with in-house processing (cutting, machining, fabrication, painting) serving similar heavy industrial OEM customers with project-based outsourced manufacturing. Closely matches LB Steel's plate processing plus fabrication model.
• Production Tool & Supply: Mid-sized precision machining and metal fabrication house offering CNC machining, fabrication, and assembly for industrial OEM customers. Directly comparable to LB Steel in outsourced custom machining and assembly for heavy industry.
• Kloeckner Metals: North American metal service center and processor offering steel plate distribution plus value-added processing (cutting, machining, fabrication) to industrial OEM customers. Direct competitor in the plate-to-finished-component service model.
• Joseph Metals: Custom steel processing and fabrication house providing plate cutting, forming, machining, and welding to industrial customers. Operates in the same outsourced heavy fabrication niche as LB Steel.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/lb-steel-llc

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries2 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 LB Steel LLC