Verified Nov 2026
Metal Fabrication
·

Janesville, Wisconsin
·
Since 1999
United Alloy is a metal fabrication company founded in 1999 and headquartered in Janesville, Wisconsin, United States. It employs between 200 and 500 people, with an estimated revenue band of $10-50 million, and is privately held. The company produces custom fabricated components, fuel tanks and reservoirs, trailers, skids, frames, and powder-coated parts for manufacturers in the automotive, construction, and industrial equipment sectors. In June 2025, the company reported on the expansion of its Union, Ohio facility, and in June 2026 marked one year since that facility's grand opening.
United Alloy at a glance
Revenue
$10-50M
Est. band
Employees
200-500
Founded
1999
Headquarters
Janesville, Wisconsin
Certifications
ISO 9001
Import activity
14
Industries
Automotive
Construction
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
14
Named foreign suppliers
3
Top origins
Belgium · Taiwan · Brazil · United Kingdom

Shared foreign counterparties do not establish that these companies buy from United Alloy.
What this tells a buyer
United Alloy's recent developments include a May 2025 announcement of a new manufacturing facility in the Dayton, Ohio region, followed by a June 2025 interview with its CEO about the Union facility expansion.
The company holds ISO 9001 certification and offers welding, metal fabrication, powder coating, and assembly services, including custom trailers, chassis, and fuel tanks.
United Alloy operates as a privately held company with an estimated revenue band of $10-50 million and a workforce of 200-500 employees.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
27 years in operation (founded 1999).
Holds ISO 9001 certification(s) per public sources.
Overview
United Alloy is a metal fabrication company founded in 1999 and headquartered in Janesville, Wisconsin, United States. It employs between 200 and 500 people, with an estimated revenue band of $10-50 million, and is privately held. The company produces custom fabricated components, fuel tanks and reservoirs, trailers, skids, frames, and powder-coated parts for manufacturers in the automotive, construction, and industrial equipment sectors. In June 2025, the company reported on the expansion of its Union, Ohio facility, and in June 2026 marked one year since that facility's grand opening.
At a glance
Attribute | Detail |
|---|---|
Founded | 1999 |
Headquarters | Janesville, Wisconsin |
Employees | 200-500 |
Revenue | $10-50M (estimated) |
Primary capability | Metal Fabrication |
Certifications | ISO 9001 |
What United Alloy makes
The company holds ISO 9001 certification and offers welding, metal fabrication, powder coating, and assembly services, including custom trailers, chassis, and fuel tanks.
Products and capabilities described on the company's own site include Metal Fabrication, Welding, Chassis, Coating, Assembly, Steel (source: unitedalloy.com).
Certifications
United Alloy is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — unitedalloy.com
Trade and customs footprint
United Alloy's recent developments include a May 2025 announcement of a new manufacturing facility in the Dayton, Ohio region, followed by a June 2025 interview with its CEO about the Union facility expansion. US customs bill-of-lading records list 14 inbound shipments across 3 foreign suppliers, with top origins including Belgium · Taiwan · Brazil · United Kingdom.
Latest developments
2026-06-10 — One year ago, we celebrated the Grand Opening of our Union, Ohio facility. What a year it has been! Thank you to our team, customers, and community for helping make this first … | United Alloy (linkedin.com)
2025-06-11 — Q&A: United Alloy’s CEO Vanessa Dubick on Union facility expansion, jobs and growth - Dayton Business Journal (bizjournals.com)
2025-05-20 — United Alloy Expands New Manufacturing Facility in Dayton Region (businesswire.com)
2025-05-05 — Meso Provides Wall Solutions for United Alloy World Headquarters (mesobuilt.com)
2025-04-12 — United Alloy scuttles plan to build 200,000-square-foot facility, will leave Quincy by March 2026 – Muddy River News (muddyrivernews.com)
2025-03-18 — United Alloy to open facility in Union - The Register Herald (registerherald.com)
Facilities
United Alloy is headquartered in Janesville, Wisconsin. Public sources also reference these locations:
Janesville, Wisconsin — mesobuilt.com
Company details
United Alloy operates as a privately held company with an estimated revenue band of $10-50 million and a workforce of 200-500 employees. United Alloy was founded in 1999, has an estimated 200-500 employees, and is headquartered in Janesville, Wisconsin. On the LightSource stability read it is rated "Established & active": 27 years in operation (founded 1999). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does United Alloy make?
United Alloy is a metal fabrication company founded in 1999 and headquartered in Janesville, Wisconsin, United States. It employs between 200 and 500 people, with an estimated revenue band of $10-50 million, and is privately held. The company produces custom fabricated components, fuel tanks and reservoirs, trailers, skids, frames, and powder-coated parts for manufacturers in the automotive, construction, and industrial equipment sectors. In June 2025, the company reported on the expansion of its Union, Ohio facility, and in June 2026 marked one year since that facility's grand opening.
Where is United Alloy headquartered?
United Alloy is headquartered in Janesville, Wisconsin (4100 Kennedy Rd, Janesville, Wisconsin, 53545).
When was United Alloy founded?
United Alloy was founded in 1999.
How big is United Alloy?
United Alloy has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).
What certifications does United Alloy hold?
United Alloy lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does United Alloy import from overseas suppliers?
US customs bill-of-lading records show 14 inbound shipments for United Alloy, with top origins including Belgium · Taiwan · Brazil · United Kingdom.
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Last verified Nov 2026. Is this your company? Request a correction.
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