Castle Metals
Castle Metals (A.M. Castle & Co.) distributes specialty and standard metals, including alloy steel, aluminum, stainless, and nickel, combined with in-house cutting, heat treating, machining, and grinding, serving aerospace, defense, oil & gas, and machine shop customers across the United States, Canada, Mexico, the United Kingdom, China, and Singapore.
- Company typePublic
- Founded1890
- HeadquartersOak Brook, United States
- Headcount501–1,000
- GTM typeB2B
- OfferingServices
What Castle Metals does
Castle Metals, operating as A.M. Castle & Co., is a specialty metals service center and distributor headquartered in Oak Brook, Illinois. The company distributes a broad portfolio of alloy steel, carbon steel, aluminum, stainless steel, nickel alloys, titanium, cast iron, chrome, and brass, and complements distribution with in-house value-added processing including cutting, thermal treatment, machining, grinding, and testing. A proprietary 360-degree horizontal quench and temper process produces tolerance-tight products in the 0.007"-0.009" range, enabling precision applications for aerospace and oil & gas customers. The company holds AS9100D, AS9120B, NADCAP, ISO 9001-2015, and ABS certifications across multiple global facilities, which are mandatory gating qualifications for Tier-1 aerospace and defense customers.
Castle Metals generates revenue across three streams: one-time specialty metals distribution sales, professional services for value-added processing, and managed supply chain solutions that include sourcing, pricing optimization, and inventory stocking programs. The company operates an inside-sales-led GTM with a quote-only ordering system plus a separate e-commerce storefront (amcastle.com) for SMB and individual buyers. It serves aerospace and defense, oil and gas, power generation, construction, mining, fluid power, heavy truck and transportation, food processing, agriculture, and machine shop customers across the United States, Canada, Mexico, the United Kingdom, France, Spain, China, and Singapore, with wholly-owned regional entities in Shanghai and Mexicali. The customer base is diversified across enterprise and mid-market accounts, with documented outcomes including lead-time reductions of 30-60 days, $100,000-$140,000 in annual cost savings, and inventory turns improving from 4 to 52 per year for a firearms manufacturer.
The business is run with 501-1,000 employees and pursues a strategy of vertical integration from metals distribution into certified processing, supported by multi-country aerospace qualifications. There is no disclosed AI/ML capability, no public revenue disclosure, no recent funding events, and ownership status shows a conflict between firmographic data (private) and corporate records indicating A.M. Castle & Co. is publicly traded on NYSE under ticker CAS; this conflict is noted but unresolved from the available data.
Castle Metals firmographics
Firmographics- Name
- Castle Metals
- Legal name
- A.M. Castle & Co.
- Website
- https://castlemetals.com
- Company type
- Public
- Founded year
- 1890
- Operating status
- Operating
- Headcount range
- 501–1,000 employees
- Short description
- Castle Metals (A.M. Castle & Co.) distributes specialty and standard metals, including alloy steel, aluminum, stainless, and nickel, combined with in-house cutting, heat treating, machining, and grinding, serving aerospace, defense, oil & gas, and machine shop customers across the United States, Canada, Mexico, the United Kingdom, China, and Singapore.
- Ownership category
- akta.pro rank
Castle Metals industry classification
Industry- Product category
- Specialty Metals Distribution and Processing
- NAICS
- Sheet Metal Work Manufacturing (332322), All Other Fabricated Metal Product Manufacturing (33299)
- SIC
- Wholesale-Metals Service Centers & Offices (5051), Miscellaneous Fabricated Metal Products (3490), Sheet Metal Work (3444)
- akta.pro primary industry
- Non-Ferrous Base Metals Trading (Aluminum, Copper, Zinc, Lead, Tin, Nickel) (IMAKAJAC)
- akta.pro secondary industry
- Heat Treatment & Thermal Processing Furnaces (Hardening, Annealing, Induction) (IMAHADAI)
Keywords
Where Castle Metals is headquartered
LocationHeadquarters
- HQ city
- Oak Brook
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Castle Metals business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Supply Chain, Operations, Personnel, Infrastructure, Marketing or Sales
Revenue model
- Specialty Metals Distribution: Distribution of highly engineered specialty materials including alloy steel, carbon, aluminum, stainless steel, nickel, titanium, cast iron, and chrome. The company sources the broadest range of high-quality metals.
- Metal Processing Services: Value-added processing services including cutting, thermal treatment, machining, grinding, and testing performed on metals to customer specifications.
- Supply Chain Solutions: Supply chain management and optimization services helping customers solve distribution, pricing, and supply challenges.
Go-to-market motion2 records
Distribution channels3 records
Marketing channels8 records
Castle Metals product offering
Product offeringCore offering
Castle Metals is a metals service center that sources, processes, and distributes a broad range of specialty and standard metals including alloy steel, carbon, aluminum, stainless steel, nickel, titanium, cast iron, chrome, and brass. The company also provides value-added processing services such as cutting, thermal treatment (including a proprietary 360-degree horizontal quench and temper process), machining, grinding, and testing to customer specifications, along with supply chain management solutions.
Product overview
Castle Metals is a metals distribution and supply chain solutions company offering a broad portfolio of specialty and standard metals (alloy steel, carbon, aluminum, stainless, nickel, titanium, cast iron, chrome, brass) combined with value-added processing services (cutting, thermal treatment, machining, grinding, testing) and supply chain management solutions. The core offering is the metals distribution business complemented by in-house processing capabilities and global sourcing expertise serving aerospace, industrial, oil & gas, and machine shop sectors.
Differentiator
Problem solved
Functional benefit
Products and services
- Specialty and Standard Metals Distribution Distribution of a broad range of specialty and standard metals including alloy steel (4140, 4130, 4340, 8620, etc.), carbon steel (1018, 1045, 12L14), aluminum (6061, 7075, 2024), stainless steel (303, 304/304L, 316/316L, 410, 416, 17-4 PH), nickel alloys (625, 718, K500, X750), titanium, cast iron, chrome, and brass. Customers include manufacturers in aerospace, defense, industrial, oil and gas, and machine shop sectors.
- Metal Processing Services Value-added processing services including cutting (saw cutting), thermal treatment (heat treating), machining, grinding, and testing, performed in-house to deliver metals to customer specifications. Supports manufacturers in aerospace, oil and gas, fluid motion control, firearms, and machine shop applications.
- Supply Chain Solutions Comprehensive supply chain management services including global and local sourcing, pricing optimization, inventory stocking programs, just-in-time delivery (weekly deliveries), and full processing integration. Designed to help customers in aerospace, industrial, and oil and gas sectors reduce lead times, working capital, and inventory space.
Quantifiable outcome
- Heat treater saved over $100,000 per year and reduced lead times by 30-60 days
- +7 more outcomes
Companies that use Castle Metals
Customer profileNamed customers9 records
Segments9 records
Ideal customer profiles4 records
Castle Metals technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Castle Metals partnerships and signals
Strategic signalScale indicators2 records
Recent moves6 records
Expansion highlights6 records
Castle Metals competitors and assessment
Company assessmentBroad incumbents
- thyssenkrupp Materials Services: thyssenkrupp Materials Services is a global materials distribution and processing arm of thyssenkrupp — overlapping with Castle's European and value-added processing footprint with materially larger scale.
- Worthington Enterprises: Worthington processes and distributes flat-rolled steel, aluminum, and pressure cylinders, overlapping with Castle's industrial and processing capabilities as a larger, diversified incumbent.
- Reliance Steel & Aluminum Co. Reliance is the largest metals service center company in North America with vast scale, broader product mix, and greater capital resources — Castle competes in many of the same end markets but at a fraction of Reliance's footprint.
Regional players
- Carpenter Technology Corporation: Carpenter Technology produces and distributes specialty alloys (including nickel, titanium, stainless) targeting aerospace and medical — competes with Castle for the same specialty-alloy customer base but is also a producer rather than purely a distributor.
- Metal Supermarkets: Metal Supermarkets is a small-quantity metals distributor with franchise-based retail outlets — competes for SMB and machine-shop tail customers that Castle's quote-only model underserves.
Direct peers
- Wieland Group: Wieland is a global manufacturer and supplier of copper and copper alloy semi-finished products — overlapping with Castle's nickel/copper alloy and brass distribution and value-added processing business.
- Kloeckner Metals: Kloeckner is a global metals distributor and processor operating across Europe, North America, and beyond with comparable product breadth and processing services, directly competing with Castle's specialty metals model.
- Olympic Steel: Olympic Steel is a US-based metals service center with flat-rolled and specialty products plus processing — comparable mid-cap distributor with overlapping end markets and processing capabilities.
- Ryerson Holding Corporation: Ryerson is a publicly-traded metals service center and processor offering a similar broad portfolio of carbon, stainless, aluminum, and alloy products with value-added processing — Castle's most direct US-headquartered competitor.
- Marmon/Keystone: Marmon/Keystone is a metals service center distributing pipe, tube, bar, and fittings across industrial and oil & gas — overlapping with Castle's industrial and O&G customer base and value-added services model.
Market position
Strengths4 records
Weaknesses5 records
Competitive moat5 records
Key risks3 records
Key highlights6 records
Customer concentration
Castle Metals social profiles
Digital presenceCastle Metals compliance and trust
Trust signalCompliance10 records
Castle Metals financial estimates
Financial estimateRevenue estimate
Valuation estimate
Castle Metals leadership team
Management profileNumber of profiles
Profiles1 record
Castle Metals subsidiaries and ownership
Company hierarchySubsidiaries4 records
Castle Metals funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Castle Metals 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 Castle Metals
What does Castle Metals do?
Castle Metals is a metals service center that sources, processes, and distributes a broad range of specialty and standard metals including alloy steel, carbon, aluminum, stainless steel, nickel, titanium, cast iron, chrome, and brass. The company also provides value-added processing services such as cutting, thermal treatment (including a proprietary 360-degree horizontal quench and temper process), machining, grinding, and testing to customer specifications, along with supply chain management solutions.
Is Castle Metals a public or private company?
Castle Metals is a public company. It is classified as unknown and is currently operating.
When was Castle Metals founded?
Castle Metals was founded in 1890. It employs 501 to 1,000 people.
Where is Castle Metals based?
Castle Metals is headquartered in Oak Brook, United States, in the North America region.
How does Castle Metals make money?
Three revenue lines are on record. Specialty Metals Distribution is the primary driver. The others are metal Processing Services and supply Chain Solutions.
Who are Castle Metals's main competitors?
Broad incumbents on record are thyssenkrupp Materials Services, Worthington Enterprises and Reliance Steel & Aluminum Co.. Regional players are Carpenter Technology Corporation and Metal Supermarkets. Direct peers are Wieland Group, Kloeckner Metals, Olympic Steel, Ryerson Holding Corporation and Marmon/Keystone.
Does Castle Metals have an API?
No public API is recorded for Castle Metals.
What industry is Castle Metals in?
Castle Metals's product category is Specialty Metals Distribution and Processing. Its primary akta.pro industry code is IMAKAJAC, Non-Ferrous Base Metals Trading (Aluminum, Copper, Zinc, Lead, Tin, Nickel), with a secondary code of IMAHADAI, Heat Treatment & Thermal Processing Furnaces (Hardening, Annealing, Induction). Its NAICS code is 332322 and its SIC code is 5051.