Verified Nov 2026
Metal Fabrication
·
Allenton, Wisconsin
·
Since 1936
Maysteel Industries LLC is a custom sheet metal fabricator headquartered in Allenton, Wisconsin, United States, founded in 1936. It employs roughly 500 to 1,000 people, with estimated annual revenue of $100 to 250 million. The company is privately held and makes precision OEM enclosures, kiosks, cabinets, and server racks, serving the automotive, electric-vehicle, construction, medical, renewable-energy, and industrial-equipment markets. In April 2026, Steele Solutions, a Revelar Capital-backed company, acquired Maysteel from Littlejohn Capital.
Maysteel Industries LLC at a glance
Revenue
$100-250M
Est. band
Employees
500-1,000
Founded
1936
Headquarters
Allenton, Wisconsin
Certifications
ISO 9001
Import activity
273
Industries
Automotive
Electric Vehicles
Construction
Medical
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
273
Named foreign suppliers
27
Top origins
China · Taiwan · Belgium · Sri Lanka
Shared foreign counterparties do not establish that these companies buy from Maysteel Industries LLC.
What this tells a buyer
The company was acquired by Steele Solutions in April 2026, with Milwaukee Business Journal reporting the deal as a move by Steele Solutions into the data center market.
Maysteel offers in-house engineering, prototyping, stamping, metal forming, welding, and assembly, and holds ISO 9001 certification.
The company operates from a 240,000 sq. ft. Allenton facility and also lists a Garland, Texas location in its footprint.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
90 years in operation (founded 1936).
Holds ISO 9001 certification(s) per public sources.
Overview
Maysteel Industries LLC is a custom sheet metal fabricator headquartered in Allenton, Wisconsin, United States, founded in 1936. It employs roughly 500 to 1,000 people, with estimated annual revenue of $100 to 250 million. The company is privately held and makes precision OEM enclosures, kiosks, cabinets, and server racks, serving the automotive, electric-vehicle, construction, medical, renewable-energy, and industrial-equipment markets. In April 2026, Steele Solutions, a Revelar Capital-backed company, acquired Maysteel from Littlejohn Capital.
At a glance
Attribute | Detail |
|---|---|
Founded | 1936 |
Headquarters | Allenton, Wisconsin |
Employees | 500-1,000 |
Revenue | $100-250M (estimated) |
Primary capability | Metal Fabrication |
Certifications | ISO 9001 |
What Maysteel Industries LLC makes
Maysteel offers in-house engineering, prototyping, stamping, metal forming, welding, and assembly, and holds ISO 9001 certification.
Products and capabilities described on the company's own site include Steel, Sheet Metal, Metal Fabrication, Assembly, Aluminum, Battery (source: maysteel.com).
Certifications
Maysteel Industries LLC is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — maysteel.com
Trade and customs footprint
The company was acquired by Steele Solutions in April 2026, with Milwaukee Business Journal reporting the deal as a move by Steele Solutions into the data center market. US customs bill-of-lading records list 273 inbound shipments across 27 foreign suppliers, with top origins including China · Taiwan · Belgium · Sri Lanka.
Latest developments
2026-04-20 — Steele Solutions to scale and grow from Maysteel acquisition - Steel Market Update (steelmarketupdate.com)
2026-04-20 — Revelar Capital-Backed Steele Solutions Acquires Maysteel Industries - Revelar (revelarcapital.com)
2026-04-08 — Steele Solutions Acquires Wisconsin Manufacturer Maysteel Industries - Maysteel (maysteel.com)
2026-04-08 — Littlejohn Capital Completes the Sale of Maysteel Industries (prnewswire.com)
2026-04-08 — Steele Solutions buys Maysteel to enter data center market - Milwaukee Business Journal (bizjournals.com)
2026-02-24 — Maysteel’s Scalable Growth to Support Data Center Manufacturing - Maysteel (maysteel.com)
Facilities
Maysteel Industries LLC is headquartered in Allenton, Wisconsin. Public sources also reference these locations:
Allenton, Wisconsin — prnewswire.com
Garland, Texas — maysteel.com
Company details
The company operates from a 240,000 sq. ft. Allenton facility and also lists a Garland, Texas location in its footprint. Maysteel Industries LLC was founded in 1936, has an estimated 500-1,000 employees, and is headquartered in Allenton, Wisconsin. On the LightSource stability read it is rated "Established & active": 90 years in operation (founded 1936). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Maysteel Industries LLC make?
Maysteel Industries LLC is a custom sheet metal fabricator headquartered in Allenton, Wisconsin, United States, founded in 1936. It employs roughly 500 to 1,000 people, with estimated annual revenue of $100 to 250 million. The company is privately held and makes precision OEM enclosures, kiosks, cabinets, and server racks, serving the automotive, electric-vehicle, construction, medical, renewable-energy, and industrial-equipment markets. In April 2026, Steele Solutions, a Revelar Capital-backed company, acquired Maysteel from Littlejohn Capital.
Where is Maysteel Industries LLC headquartered?
Maysteel Industries LLC is headquartered in Allenton, Wisconsin (6199 CR-W, Allenton, Wisconsin, 53002).
When was Maysteel Industries LLC founded?
Maysteel Industries LLC was founded in 1936.
How big is Maysteel Industries LLC?
Maysteel Industries LLC has an estimated 500-1,000 employees, with revenue in the $100-250M range (estimated).
What certifications does Maysteel Industries LLC hold?
Maysteel Industries LLC lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Maysteel Industries LLC import from overseas suppliers?
US customs bill-of-lading records show 273 inbound shipments for Maysteel Industries LLC, with top origins including China · Taiwan · Belgium · Sri Lanka.
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Last verified Nov 2026. Is this your company? Request a correction.
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