Verified Nov 2026
Metal Fabrication
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Since 1946
Clack Corporation manufactures precision water treatment components and equipment, serving automotive, electronics, renewable energy, and industrial equipment sectors. Founded in 1946 and headquartered in Windsor, Wisconsin, the company employs 200–500 people and generates $10–50M in estimated revenue. The family-owned manufacturer acquired Ozotech, a specialist in ozone generator production, in 2025.
Clack Corporation at a glance
Revenue
$10-50M
Est. band
Employees
200-500
Founded
1946
Industries
Automotive
Electronics
Renewable Energy
Industrial Equipment
Overview
Clack Corporation manufactures precision water treatment components and equipment, serving automotive, electronics, renewable energy, and industrial equipment sectors. Founded in 1946 and headquartered in Windsor, Wisconsin, the company employs 200–500 people and generates $10–50M in estimated revenue. The family-owned manufacturer acquired Ozotech, a specialist in ozone generator production, in 2025.
At a glance
Attribute | Detail |
|---|---|
Founded | 1946 |
Employees | 200-500 |
Revenue | $10-50M (estimated) |
Primary capability | Metal Fabrication |
What Clack Corporation makes
Clack produces water treatment valves, control devices, mineral tanks, brine tanks, meltblown filters, composite plastic meters, and custom solutions using blow molding and plastic assembly processes.
Products and capabilities described on the company's own site include Blow Molding, Plastic, Valve, Assembly, Composite, Glass (source: clackcorp.com).
Latest developments
2026-11-05 — Associate Buyer at Clack Corporation – Wisconsin, Windsor, WI, United States | TheJobsMap (thejobsmap.com)
2026-08-26 — Regional Sales Manager Edward Cox welcomed dealers to our Schertz, Texas branch today for a hands-on training led by Ty Sherman from Clack Corporation. The group took a closer look at high-flow … | Nelsen Corporation (linkedin.com)
2025-09-03 — Clack aquires Ozotech, Inc., a premier manufacturer of ozone generators - Clack Corporation (clackcorp.com)
2025-09-03 — Timeline Stories Archives - Clack Corporation (clackcorp.com)
2025-09-03 — Clack facility in Rogers, Arkansas Opens - Clack Corporation (clackcorp.com)
2025-09-03 — About - Clack Corporation (clackcorp.com)
Facilities
Public sources reference the following locations:
Windsor, Wisconsin — clackcorp.com
Company details
The company operates distribution centers in Arizona and Florida alongside its primary Wisconsin and Arkansas facilities, serving original equipment manufacturers and dealers across North America. Clack Corporation was founded in 1946, and has an estimated 200-500 employees.
Frequently asked questions
What does Clack Corporation make?
Clack Corporation manufactures precision water treatment components and equipment, serving automotive, electronics, renewable energy, and industrial equipment sectors. Founded in 1946 and headquartered in Windsor, Wisconsin, the company employs 200–500 people and generates $10–50M in estimated revenue. The family-owned manufacturer acquired Ozotech, a specialist in ozone generator production, in 2025.
When was Clack Corporation founded?
Clack Corporation was founded in 1946.
How big is Clack Corporation?
Clack Corporation has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).
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Last verified Nov 2026. Is this your company? Request a correction.
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