Verified Nov 2026
Metal Fabrication
·
Mequon, Wisconsin
·
Since 1936
Charter Manufacturing is a family-owned metals manufacturer headquartered in Mequon, Wisconsin, founded in 1936. It produces and distributes carbon, alloy, and stainless steel, along with cast iron and bronze alloys, through subsidiaries including Charter Steel, Charter Wire, Charter Dura-Bar, and Charter Automotive. The company employs between 1,000 and 5,000 people and serves the automotive, electric-vehicle, construction, and industrial equipment sectors. In October 2026, it was reported to be planning a $5 million expansion of its Mequon headquarters.
Charter Manufacturing at a glance
Revenue
$1-5B
Est. band
Employees
1,000-5,000
Founded
1936
Headquarters
Mequon, Wisconsin
Certifications
IATF 16949 · ISO 14001 · ISO 50001 · ISO 9001
Import activity
9
Industries
Automotive
Electric Vehicles
Construction
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
9
Named foreign suppliers
6
Top origins
Italy · China · United Kingdom · Egypt
Shared foreign counterparties do not establish that these companies buy from Charter Manufacturing.
What this tells a buyer
Customs records show 9 shipments, with suppliers located in Italy, China, the United Kingdom, Egypt, and Spain.
The company holds IATF 16949, ISO 9001, ISO 14001, and ISO 50001 certifications and offers steel, casting, and other metal products.
Charter Manufacturing is privately held and has an estimated annual revenue between $1 billion and $5 billion.
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).
9 US import shipments on record.
Holds IATF 16949, ISO 14001, ISO 50001, ISO 9001 certification(s) per public sources.
Overview
Charter Manufacturing is a family-owned metals manufacturer headquartered in Mequon, Wisconsin, founded in 1936. It produces and distributes carbon, alloy, and stainless steel, along with cast iron and bronze alloys, through subsidiaries including Charter Steel, Charter Wire, Charter Dura-Bar, and Charter Automotive. The company employs between 1,000 and 5,000 people and serves the automotive, electric-vehicle, construction, and industrial equipment sectors. In October 2026, it was reported to be planning a $5 million expansion of its Mequon headquarters.
At a glance
Attribute | Detail |
|---|---|
Founded | 1936 |
Headquarters | Mequon, Wisconsin |
Employees | 1,000-5,000 |
Revenue | $1-5B (estimated) |
Primary capability | Metal Fabrication |
Certifications | IATF 16949 · ISO 14001 · ISO 50001 · ISO 9001 |
What Charter Manufacturing makes
The company holds IATF 16949, ISO 9001, ISO 14001, and ISO 50001 certifications and offers steel, casting, and other metal products.
Products and capabilities described on the company's own site include Steel, LED, Casting (source: chartermfg.com).
Certifications
Charter Manufacturing is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
IATF 16949 — chartersteel.com
ISO 14001 — chartermfg.com
ISO 50001 — chartermfg.com
ISO 9001 — pulpandpaper-technology.com
Trade and customs footprint
Customs records show 9 shipments, with suppliers located in Italy, China, the United Kingdom, Egypt, and Spain. US customs bill-of-lading records list 9 inbound shipments across 6 foreign suppliers, with top origins including Italy · China · United Kingdom · Egypt.
Latest developments
2026-10-28 — WED AM News: Rownd showcases military drone tech in Hartford; Charter Manufacturing Co. planning $5M Mequon expansion | WisBusiness (wisbusiness.com)
2026-10-27 — Charter Manufacturing plans $5M Mequon HQ expansion - Milwaukee Business Journal (bizjournals.com)
2026-10-01 — Charter Casting’s Shawano Foundry Earns Two Independent World Class Designations from Global Off-Highway OEM Customers - Charter Casting (chartercasting.com)
2026-04-09 — As we mark 90 years of Charter, we’re continuing our 90 Years in 90 Seconds series with Episode Three, highlighting a period of strategic expansion and growth. | Charter Manufacturing (linkedin.com)
2026-04-01 — Charter Manufacturing - Charter Manufacturing Announces Retirement of COO Tom Marry, Names Joel Casterton as Successor (chartermfg.com)
2026-04-01 — Charter Manufacturing - News (chartermfg.com)
Company details
Charter Manufacturing is privately held and has an estimated annual revenue between $1 billion and $5 billion. Charter Manufacturing was founded in 1936, has an estimated 1,000-5,000 employees, and is headquartered in Mequon, Wisconsin. On the LightSource stability read it is rated "Established & active": 90 years in operation (founded 1936). 9 US import shipments on record. Holds IATF 16949, ISO 14001, ISO 50001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Charter Manufacturing make?
Charter Manufacturing is a family-owned metals manufacturer headquartered in Mequon, Wisconsin, founded in 1936. It produces and distributes carbon, alloy, and stainless steel, along with cast iron and bronze alloys, through subsidiaries including Charter Steel, Charter Wire, Charter Dura-Bar, and Charter Automotive. The company employs between 1,000 and 5,000 people and serves the automotive, electric-vehicle, construction, and industrial equipment sectors. In October 2026, it was reported to be planning a $5 million expansion of its Mequon headquarters.
Where is Charter Manufacturing headquartered?
Charter Manufacturing is headquartered in Mequon, Wisconsin (12121 Corporate Pkwy, Mequon, Wisconsin, 53092-3332).
When was Charter Manufacturing founded?
Charter Manufacturing was founded in 1936.
How big is Charter Manufacturing?
Charter Manufacturing has an estimated 1,000-5,000 employees, with revenue in the $1-5B range (estimated).
What certifications does Charter Manufacturing hold?
Charter Manufacturing lists IATF 16949 · ISO 14001 · ISO 50001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Charter Manufacturing import from overseas suppliers?
US customs bill-of-lading records show 9 inbound shipments for Charter Manufacturing, with top origins including Italy · China · United Kingdom · Egypt.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
'+1 262-243-4700
Certification
IATF 16949 · ISO 14001 · ISO 50001 · ISO 9001
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