Verified Nov 2026
Thermal & Fluid Systems
·
Southfield, Michigan
·
Since 1874
Janesville Acoustics is a manufacturer headquartered in Southfield, Michigan, founded in 1874. It has an estimated 200-500 employees and an estimated annual revenue of $100-250 million, and it is privately held. The company makes felt-based molded and die-cut acoustical and thermal fiber insulation, serving the automotive, electric-vehicle, and industrial equipment industries. It supplies as a Tier I and Tier II supplier to automotive manufacturers, offering products such as die-cut insulators, molded fiber parts, decorative components, and molded carpet systems.
Janesville Acoustics at a glance
Revenue
$100-250M
Est. band
Employees
200-500
Founded
1874
Headquarters
Southfield, Michigan
Import activity
175
Industries
Automotive
Electric Vehicles
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
175
Named foreign suppliers
11
Top origins
Germany · China · South Korea · Netherlands
Shared foreign counterparties do not establish that these companies buy from Janesville Acoustics.
What this tells a buyer
The company has operated for more than 150 years, having moved from producing cotton rolls for the furniture industry to making acoustical fiber insulation for automotive applications.
Its product line covers die-cut insulators, molded fiber products, decorative components, and complete molded carpet systems, and no third-party certifications are listed in the record.
The company reports supplying major automotive manufacturers, including a Supplier Excellence Award from General Motors, and states that it contributes to over half of light vehicle platforms produced in North America.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
Overview
Janesville Acoustics is a manufacturer headquartered in Southfield, Michigan, founded in 1874. It has an estimated 200-500 employees and an estimated annual revenue of $100-250 million, and it is privately held. The company makes felt-based molded and die-cut acoustical and thermal fiber insulation, serving the automotive, electric-vehicle, and industrial equipment industries. It supplies as a Tier I and Tier II supplier to automotive manufacturers, offering products such as die-cut insulators, molded fiber parts, decorative components, and molded carpet systems.
At a glance
Attribute | Detail |
|---|---|
Founded | 1874 |
Headquarters | Southfield, Michigan |
Employees | 200-500 |
Revenue | $100-250M (estimated) |
Primary capability | Thermal & Fluid Systems |
What Janesville Acoustics makes
Its product line covers die-cut insulators, molded fiber products, decorative components, and complete molded carpet systems, and no third-party certifications are listed in the record.
Trade and customs footprint
The company has operated for more than 150 years, having moved from producing cotton rolls for the furniture industry to making acoustical fiber insulation for automotive applications. US customs bill-of-lading records list 175 inbound shipments across 11 foreign suppliers, with top origins including Germany · China · South Korea · Netherlands.
Company details
The company reports supplying major automotive manufacturers, including a Supplier Excellence Award from General Motors, and states that it contributes to over half of light vehicle platforms produced in North America. Janesville Acoustics was founded in 1874, has an estimated 200-500 employees, and is headquartered in Southfield, Michigan.
Frequently asked questions
What does Janesville Acoustics make?
Janesville Acoustics is a manufacturer headquartered in Southfield, Michigan, founded in 1874. It has an estimated 200-500 employees and an estimated annual revenue of $100-250 million, and it is privately held. The company makes felt-based molded and die-cut acoustical and thermal fiber insulation, serving the automotive, electric-vehicle, and industrial equipment industries. It supplies as a Tier I and Tier II supplier to automotive manufacturers, offering products such as die-cut insulators, molded fiber parts, decorative components, and molded carpet systems.
Where is Janesville Acoustics headquartered?
Janesville Acoustics is headquartered in Southfield, Michigan (29200 Northwestern Hwy, Southfield, Michigan, 48034).
When was Janesville Acoustics founded?
Janesville Acoustics was founded in 1874.
How big is Janesville Acoustics?
Janesville Acoustics has an estimated 200-500 employees, with revenue in the $100-250M range (estimated).
Does Janesville Acoustics import from overseas suppliers?
US customs bill-of-lading records show 175 inbound shipments for Janesville Acoustics, with top origins including Germany · China · South Korea · Netherlands.
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Last verified Nov 2026. Is this your company? Request a correction.
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