Verified Nov 2026
Other
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Port Washington, Wisconsin
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Since 1944
Kleen Test Products Corporation is a contract manufacturer headquartered in Port Washington, Wisconsin, founded in 1944. It has an estimated 500 to 1,000 employees and an estimated revenue band of $100 to $250 million. The company serves automotive, electric vehicle, appliance, medical, renewable energy, and industrial equipment markets, and offers welding and coating services. Its consumer packaged goods work includes laundry and household cleaning products, personal care items, and specialty nonwovens. The company is privately held.
Kleen Test Products Corporation at a glance
Revenue
$100-250M
Est. band
Employees
500-1,000
Founded
1944
Headquarters
Port Washington, Wisconsin
Industries
Automotive
Electric Vehicles
Appliance
Medical
Renewable Energy
Industrial Equipment
Overview
Kleen Test Products Corporation is a contract manufacturer headquartered in Port Washington, Wisconsin, founded in 1944. It has an estimated 500 to 1,000 employees and an estimated revenue band of $100 to $250 million. The company serves automotive, electric vehicle, appliance, medical, renewable energy, and industrial equipment markets, and offers welding and coating services. Its consumer packaged goods work includes laundry and household cleaning products, personal care items, and specialty nonwovens. The company is privately held.
At a glance
Attribute | Detail |
|---|---|
Founded | 1944 |
Headquarters | Port Washington, Wisconsin |
Employees | 500-1,000 |
Revenue | $100-250M (estimated) |
What Kleen Test Products Corporation makes
The company offers welding and coating capabilities, alongside product development, packaging, and regulatory support for consumer packaged goods.
Products and capabilities described on the company's own site include Welding, Coating (source: kleentest.com).
Latest developments
2026-10-29 — Forklift Material Handler at Kleen-test-products (workable.com)
2026-08-07 — On The Job with Bob & Brian at Kleen Test Products - 102.9 THE HOG (1029thehog.com)
2026-06-24 — Project Engineer chez Kleen Test Products - 8182069 (remotescout24.com)
2025-10-17 — 💬 Ready to be part of something meaningful? | Kleen Test Products Corporation (linkedin.com)
2025-08-20 — Kleen Test Showcases Snap Pad Applicator - Nonwovens Industry (nonwovens-industry.com)
Facilities
Kleen Test Products Corporation is headquartered in Port Washington, Wisconsin. Public sources also reference these locations:
Wisconsin — linkedin.com
Port Washington, Wisconsin — kleentest.com
Company details
Kleen Test Products is privately held, with an estimated workforce of 500 to 1,000 employees and an estimated revenue band of $100 to $250 million. Kleen Test Products Corporation was founded in 1944, has an estimated 500-1,000 employees, and is headquartered in Port Washington, Wisconsin.
Frequently asked questions
What does Kleen Test Products Corporation do?
Kleen Test Products Corporation is a contract manufacturer headquartered in Port Washington, Wisconsin, founded in 1944. It has an estimated 500 to 1,000 employees and an estimated revenue band of $100 to $250 million. The company serves automotive, electric vehicle, appliance, medical, renewable energy, and industrial equipment markets, and offers welding and coating services. Its consumer packaged goods work includes laundry and household cleaning products, personal care items, and specialty nonwovens. The company is privately held.
Where is Kleen Test Products Corporation headquartered?
Kleen Test Products Corporation is headquartered in Port Washington, Wisconsin (1611 Sunset Rd, Port Washington, Wisconsin, 53074).
When was Kleen Test Products Corporation founded?
Kleen Test Products Corporation was founded in 1944.
How big is Kleen Test Products Corporation?
Kleen Test Products Corporation has an estimated 500-1,000 employees, with revenue in the $100-250M range (estimated).
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Last verified Nov 2026. Is this your company? Request a correction.
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