Verified Nov 2026
Metal Fabrication
·
Westfield, Massachusetts
·
Since 1946
Mestek, Inc. is a metal fabrication manufacturer headquartered in Westfield, Massachusetts, founded in 1946. The company has an estimated 1,000 to 5,000 employees and an estimated annual revenue band of $250 million to $500 million. It is privately held and serves the automotive, electric-vehicle, construction, medical, renewable-energy, and industrial-equipment sectors. In October 2025, Mestek and BioTherm announced a partnership on greenhouse climate solutions.
Mestek, Inc. at a glance
Revenue
$250-500M
Est. band
Employees
1,000-5,000
Founded
1946
Headquarters
Westfield, Massachusetts
Certifications
ISO 14001 · ISO 9001
Import activity
399
Industries
Automotive
Electric Vehicles
Construction
Medical
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
399
Named foreign suppliers
43
Top origins
South Korea · Hong Kong S.A.R. · China · Netherlands
Shared foreign counterparties do not establish that these companies buy from Mestek, Inc..
What this tells a buyer
No customs data was found, so the most recent reported development is a February 2026 announcement of a new Lockformer Spiral Status technology introduced through a partnership between Mestek Machinery and Stratus.
The company is certified to ISO 9001 and ISO 14001, and its listed products include glass and sheet metal items.
The company is privately held, with an estimated revenue band of $250 million to $500 million, and no reported customers are listed in the record.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
80 years in operation (founded 1946).
Holds ISO 14001, ISO 9001 certification(s) per public sources.
Overview
Mestek, Inc. is a metal fabrication manufacturer headquartered in Westfield, Massachusetts, founded in 1946. The company has an estimated 1,000 to 5,000 employees and an estimated annual revenue band of $250 million to $500 million. It is privately held and serves the automotive, electric-vehicle, construction, medical, renewable-energy, and industrial-equipment sectors. In October 2025, Mestek and BioTherm announced a partnership on greenhouse climate solutions.
At a glance
Attribute | Detail |
|---|---|
Founded | 1946 |
Headquarters | Westfield, Massachusetts |
Employees | 1,000-5,000 |
Revenue | $250-500M (estimated) |
Primary capability | Metal Fabrication |
Certifications | ISO 14001 · ISO 9001 |
What Mestek, Inc. makes
The company is certified to ISO 9001 and ISO 14001, and its listed products include glass and sheet metal items.
Products and capabilities described on the company's own site include Glass, Sheet Metal (source: mestek.com).
Certifications
Mestek, Inc. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 14001 — mestek.com
ISO 9001 — mestek.com
Trade and customs footprint
No customs data was found, so the most recent reported development is a February 2026 announcement of a new Lockformer Spiral Status technology introduced through a partnership between Mestek Machinery and Stratus. US customs bill-of-lading records list 399 inbound shipments across 43 foreign suppliers, with top origins including South Korea · Hong Kong S.A.R. · China · Netherlands.
Latest developments
2026-07-20 — I’m excited to share that I’ve joined Mestek, Inc. as Business Development Manager with the Boiler Group. | Jason Geagan (linkedin.com)
2026-04-12 — [MCCK] [VEST] Mestek, Q4 2025 Results Beat Expectations in Revenue and Profit, Yet Uncertainty Remains for the Future｜米国株ニュース (note.com)
2026-01-05 — Mestek: A Fortress Balance Sheet Hiding in Plain Site (substack.com)
2025-10-20 — Mestek and BioTherm Partner on Greenhouse Climate Solutions (greenhousegrower.com)
2025-09-19 — Mestek (OTC:MCCK) Q4 2025 Earnings Call (6ix.com)
Company details
The company is privately held, with an estimated revenue band of $250 million to $500 million, and no reported customers are listed in the record. Mestek, Inc. was founded in 1946, has an estimated 1,000-5,000 employees, and is headquartered in Westfield, Massachusetts. On the LightSource stability read it is rated "Established & active": 80 years in operation (founded 1946). Holds ISO 14001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Mestek, Inc. make?
Mestek, Inc. is a metal fabrication manufacturer headquartered in Westfield, Massachusetts, founded in 1946. The company has an estimated 1,000 to 5,000 employees and an estimated annual revenue band of $250 million to $500 million. It is privately held and serves the automotive, electric-vehicle, construction, medical, renewable-energy, and industrial-equipment sectors. In October 2025, Mestek and BioTherm announced a partnership on greenhouse climate solutions.
Where is Mestek, Inc. headquartered?
Mestek, Inc. is headquartered in Westfield, Massachusetts (260 North Elm Street, Westfield, Massachusetts, 01085).
When was Mestek, Inc. founded?
Mestek, Inc. was founded in 1946.
How big is Mestek, Inc.?
Mestek, Inc. has an estimated 1,000-5,000 employees, with revenue in the $250-500M range (estimated).
What certifications does Mestek, Inc. hold?
Mestek, Inc. lists ISO 14001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Mestek, Inc. import from overseas suppliers?
US customs bill-of-lading records show 399 inbound shipments for Mestek, Inc., with top origins including South Korea · Hong Kong S.A.R. · China · Netherlands.
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Last verified Nov 2026. Is this your company? Request a correction.
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