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Kleen Test Products Corporation

Kleen Test Products Corporation

Kleen Test Products Corporation

Verified Nov 2026

Other

·

United States flag

Port Washington, Wisconsin

·

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

Verified Nov 2026

AT A GLANCE

Founded

1944

Headquarters

United States flag

Port Washington, Wisconsin

Employees

500-1,000

Ownership

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

Facilities

Kleen Test Products Corporation is headquartered in Port Washington, Wisconsin. Public sources also reference these locations:

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.

Location & contact

Port Washington, Wisconsin (HQ)Headquarters · United States
Port Washington, Wisconsin (HQ)1611 Sunset Rd, Port Washington, Wisconsin, 53074, United StatesHeadquarters

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