What Steel Technologies does

Steel Technologies LLC is a privately held flat-rolled steel and aluminum processing company headquartered in Louisville, Kentucky. Founded in 1971 as Southern Strip Steel in Eminence, Kentucky, the company operates a network of 32 strategically located facilities across the United States, Canada, and Mexico, shipping over 3.8 million tons annually and reporting $2.5 billion in annual sales. It serves more than 2,500 customer ship-to locations across automotive, appliance, lawn and garden, agriculture, construction, consumer goods, electrical, and HVAC industries. The company is wholly owned by NuMit LLC, a 50/50 joint venture between Nucor Corporation (North America's largest steel producer) and Mitsui & Co. (U.S.A.), Inc., formed in 2010.

The company's core offering is value-added processing of flat-rolled steel and aluminum into customer-specified thickness, width, temper, finish, and shape. Capabilities span slitting, oscillating, multi-blanking, cut-to-length, cold rolling, annealing, configured blanking (up to 1,500-ton presses), laser coil blanking, and edging, with notable technical differentiators including an EPS (Eco Pickled Surface) pickle line (first in the Mexican market) and dual-head laser blanking via LaserCoil Technologies. Steel Technologies holds ISO9001, ISO14001, and IATF 16949 certifications across multiple facilities, with the latter being a gating requirement for automotive supply chains.

Steel Technologies generates revenue through transaction-fee processing on both customer-supplied (toll processing) and company-procured material, with quote-based pricing tied to specifications and volume. The company operates a direct enterprise sales model with dedicated account management and technical support from metallurgical engineers, complemented by a 24/7 customer portal for order management and material certification access, and Vendor Managed Inventory programs that enable just-in-time delivery. Distribution is anchored by Nucor raw material supply and facility-adjacency benefits, and growth has historically been pursued through a combination of greenfield expansions, strategic acquisitions (Calstrip 2021, Stripco 2014, NuPro 2011, Kasle 2006), and joint ventures (Mi-Tech Steel 1986, DKP Indiana 2014).

Name

Steel Technologies

Legal name

Steel Technologies LLC

Website

https://steeltechnologies.com

Company type

Private

Founded year

1971

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Steel Technologies is a privately held flat-rolled steel and aluminum processor with 32 North American facilities, $2.5 billion in annual sales, and over 3.8 million tons shipped annually, serving automotive, appliance, construction, HVAC, and industrial manufacturers via toll and value-added processing services.

Ownership category

akta.pro rank

Product category

Flat-rolled steel and aluminum processing

NAICS

Steel Product Manufacturing from Purchased Steel (3312), Rolling and Drawing of Purchased Steel (33122), Rolled Steel Shape Manufacturing (331221)

SIC

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

akta.pro primary industry

Steel Service Centers & Processing (Slitting, Cut-to-Length, Blanking, Leveling) (IMAKABAL)

akta.pro secondary industries

Cold Rolling & Finishing (Cold-Rolled Coil/Sheet, Temper, Skin Pass) (IMAKABAF), Protective Coatings, Galvanizing & Metal Finishing for Structural Steel (IMADACAK)

Keywords

• Flat-rolled steel processing
• Steel slitting and blanking
• Aluminum coil processing
• Toll processing services
• Automotive steel supply

Headquarters

HQ city

Louisville

HQ country

United States

HQ region

North America

Offices32 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Steel Processing Services: Steel Technologies generates revenue through processing flat-rolled steel and aluminum to specific thickness, width, temper, finish and shape requirements. The company processes materials for customers in automotive, appliance, lawn and garden, agriculture, construction, office furniture, hardware and consumer goods industries.
2. Toll Processing: Toll processing of customer-owned material is a substantial part of the business. The network of facilities across North America offers processing capabilities and cost-effective logistics for customer-owned materials.
3. Vendor Managed Inventory: By integrating the process of managing customer inventory to deliver on a just-in-time basis for production, the company provides supply chain management services.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Steel Technologies processes flat-rolled steel and aluminum to customer-specified thickness, width, temper, finish and shape through capabilities including slitting, oscillating, multi-blanking, cut-to-length, cold rolling, annealing, configured blanking, laser coil blanking and edging. It operates 32 facilities across North America, ships over 3.8 million tons annually and supplements processing with toll processing, vendor managed inventory and 24/7 customer portal access for industrial customers in automotive, appliance, HVAC, agriculture and construction.

Product overview

Steel Technologies is a flat-rolled steel and aluminum processor offering a portfolio of metal products and value-added processing services. The product portfolio includes nine distinct steel and aluminum product categories: Advanced High Strength Steel, Aluminum, Cold Rolled Strip, High Carbon & Alloy Steel, High-Strength Low-Alloy, Hot Rolled Pickled & Oiled, Low Carbon Steel, One Pass Cold Rolled Strip, and Pre-Painted Product & Specialty Coated Steel. These materials are processed through capabilities including Slitting, Oscillating (traverse coils), Multi blanking – Cut to length, Cold Rolling, Annealing, Configured Blanking, Laser Coil Blanking, and Edging. The company serves automotive, appliance, lawn & garden, agriculture, construction, consumer goods, electrical, and HVAC industries.

Differentiator

Problem solved

Functional benefit

Products and services

• Advanced High Strength Steel Advanced and Ultra High Strength Steel products (Dual Phase and Martensitic grades) with yield strength exceeding 80,000 PSI / 550 MPa, offering high strength and ductility via micro alloying and differential microstructure. Sold as processed flat-rolled material to automotive and industrial manufacturers.
• Aluminum Processed aluminum products available in 3000, 4000, 5000, and 6000 series, used in transportation and building applications where low density and corrosion resistance are required.
• Cold Rolled Strip Scale-free hot rolled steel further processed through cold rolling, annealing, slitting and edging to extremely precise dimensional tolerances with customized microstructure, chemistry, surface finish and temper. Available from low carbon 1001 through 1095 and alloy steels.
• High Carbon & Alloy Steel High-carbon steel (carbon content exceeding 0.25%, grades C1030–C1095) and alloy steels including 5120, 8620, 4130, 4140 and 6150, processed to customer specifications.
• High-Strength Low-Alloy Steel Steel with micro alloy additives (Mo, Nb, V, etc.) providing elevated mechanical properties and high formability, available as Hot Rolled Strip, Cold Rolled Strip and international grades (DIN, JIS 2340, SAE J1392) including all automotive grades.
• Hot Rolled Pickled & Oiled Conventional pickled and oiled hot rolled steel cleaned with hydrochloric acid to remove mill scale, available up to 0.625 inches in thickness for downstream manufacturing customers.
• Low Carbon Steel Low-carbon steel (carbon content below 0.25%, grades C1001–C1030) available as Cold Rolled Sheet, Cold Rolled Strip, Hot Rolled Steel and Coated Products for general industrial manufacturing.
• One Pass Cold Rolled Strip Hot rolled steel gauge-corrected through rolling to produce precision tolerances with milder cold reductions than full cold rolled strip, ideal for unexposed applications that do not require high formability.
• Pre-Painted Product & Specialty Coated Steel Supply chain solutions for pre-paint or specialty coated steel requirements including Dry Film Lubricants, RoHS Compliant Systems, High Heat Products and Metallic Systems.
• Flat-Rolled Steel and Aluminum Processing Services Value-added processing services including slitting, oscillating, multi-blanking, cut-to-length, cold rolling, annealing, configured blanking, laser coil blanking and edging to deliver material to specified thickness, width, temper, finish and shape for industrial customers.
• Toll Processing Services Toll processing of customer-owned flat-rolled material using Steel Technologies' network of 32 facilities and processing capabilities, offering cost-effective logistics and just-in-time delivery.
• Vendor Managed Inventory (VMI) Services Inventory management services that integrate with customers' production schedules to deliver processed steel and aluminum on a just-in-time basis, reducing customer inventory carrying costs.

Quantifiable outcome

• Ships to over 2,500 customer locations internationally
• +5 more outcomes

Named customers7 records

Segments8 records

Ideal customer profiles3 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.

• The Diez Group (Delaco Steel)coreStrategic or Co-development Partner · 12 May 2014Joint venture operating as Delaco Kasle Processing Indiana, LLC (DKP Indiana) to sell and process aluminum and steel coils and blanks for automotive, appliance, and agricultural industries. The 106,000 sq ft expansion to Jeffersonville, IN facility increased blanking capacity. The Diez Group (Delaco Steel) is the largest Hispanic and Woman-owned supplier of aluminum and steel coils and blanks in the US.

Scale indicators9 records

Recent moves35 records

Expansion highlights5 records

Broad incumbents

• Reliance Steel & Aluminum Co. The largest metals service center in North America (NYSE: RS, ~$15B+ revenue). Operates a much broader product and end-market portfolio than Steel Technologies, but its flat-rolled processing business and Value-Added Services segment directly overlap Steel Technologies' core offering to automotive, appliance, and HVAC OEMs.
• Worthington Enterprises: Formerly Worthington Industries (NYSE: WOR), a major North American steel processor with significant flat-rolled and cold-rolled strip capabilities serving automotive and construction end markets. Larger and more diversified than Steel Technologies but overlaps heavily in flat-rolled processing and toll services.
• AK Steel / Cleveland-Cliffs Flat-Rolled: Cleveland-Cliffs (NYSE: CLF) is the largest flat-rolled steel producer in North America and a direct upstream supplier to Steel Technologies. While primarily an integrated mill, it also operates downstream processing and serves overlapping automotive customers (IATF 16949 tier-1). Functions as both supplier and broad incumbent competitor.

Direct peers

• Olympic Steel: Public flat-rolled steel service center (NASDAQ: ZEUS, ~$2B revenue) with comparable product mix — carbon, stainless, and aluminum coil processing, slitting, blanking, and cut-to-length — serving automotive, appliance, and industrial customers across the US and Mexico. Closest direct comparable to Steel Technologies on business model and scale.
• Kloeckner Metals Corporation: Subsidiary of Klöckner & Co (Germany), one of the largest independent steel and metal service center groups in the world with significant US operations. Operates flat-rolled processing, slitting, and blanking serving automotive and industrial OEMs — a direct international peer to Steel Technologies' US footprint.
• Mill Steel Company: Privately held, Grand Rapids-based flat-rolled steel service center and processor (founded 1959). Operates multiple facilities focused on slitting, cut-to-length, blanking, and toll processing for automotive and industrial customers. Closely comparable mid-sized private peer to Steel Technologies.
• National Material Company: Privately held US steel processor with flat-rolled service center operations serving automotive, appliance, and industrial markets. Offers slitting, blanking, and stamping capabilities comparable to Steel Technologies' configured blanking and oscillating services.

Regional players

• Samuel, Son & Co. Major Canadian-based metals service center and processor with significant North American flat-rolled operations. Comparable product offering (slitting, blanking, cut-to-length) and customer base, with stronger Canadian presence than Steel Technologies' Cambridge/Woodstock footprint.
• Metal One Corporation: Japan-headquartered steel service center joint venture (Mitsui & Co. and Mitsubishi Corp.) — the international counterpart and sibling entity to Steel Technologies under the Mitsui umbrella. Comparable flat-rolled processing business model across Asian markets, illustrating the global service-center playbook Steel Technologies operates within.

Emerging players

• Flack Global Metals: US-based flat-rolled and plate steel service center that combines physical processing assets with a proprietary metals-buying platform. Smaller scale than Steel Technologies but directly competes for the same mid-market flat-rolled processing customer base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/steeltech_corp
• Facebookfacebook.com/steel-technologies-306609419382070
• LinkedInlinkedin.com/company/steel-technologies

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries6 records

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about Steel Technologies