Verified Nov 2026
Thermal & Fluid Systems
·
Romeo, Michigan
·
Since 1958
L&L Products is a privately held applied engineering and materials science company headquartered in Romeo, Michigan, founded in 1958. It employs roughly 1,000 to 5,000 people, with an estimated revenue band of $500 million to $1 billion. Its products include static sealing, acoustic and vibration control, structural reinforcement, and composite components, serving the automotive, electric-vehicle, aerospace, construction, renewable-energy, and industrial equipment sectors. In June 2026 the company reported a €25 million investment at its Alsace, France site.
L&L Products at a glance
Revenue
$500M-1B
Est. band
Employees
1,000-5,000
Founded
1958
Headquarters
Romeo, Michigan
Certifications
AS9100 · IATF 16949 · ISO 14001 · ISO 45001 · ISO 9001
Import activity
273
Industries
Automotive
Electric Vehicles
Construction
Renewable Energy
Industrial Equipment
Aerospace
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
273
Named foreign suppliers
47
Top origins
Germany · Turkey · Belgium · China
Shared foreign counterparties do not establish that these companies buy from L&L Products.
What this tells a buyer
Customs records list 273 shipments associated with the company, with origins spanning Germany, Turkey, Belgium, China, and several other countries.
The company holds AS9100, IATF 16949, ISO 9001, ISO 14001, and ISO 45001 certifications and produces composite and interior components.
L&L Products reported a ribbon cutting for a new West Columbia facility in October 2026 and a move to a larger South Carolina facility that doubled its square footage in April 2026.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
68 years in operation (founded 1958).
273 US import shipments on record.
Holds AS9100, IATF 16949, ISO 14001, ISO 45001, ISO 9001 certification(s) per public sources.
Overview
L&L Products is a privately held applied engineering and materials science company headquartered in Romeo, Michigan, founded in 1958. It employs roughly 1,000 to 5,000 people, with an estimated revenue band of $500 million to $1 billion. Its products include static sealing, acoustic and vibration control, structural reinforcement, and composite components, serving the automotive, electric-vehicle, aerospace, construction, renewable-energy, and industrial equipment sectors. In June 2026 the company reported a €25 million investment at its Alsace, France site.
At a glance
Attribute | Detail |
|---|---|
Founded | 1958 |
Headquarters | Romeo, Michigan |
Employees | 1,000-5,000 |
Revenue | $500M-1B (estimated) |
Primary capability | Thermal & Fluid Systems |
Certifications | AS9100 · IATF 16949 · ISO 14001 · ISO 45001 · ISO 9001 |
What L&L Products makes
The company holds AS9100, IATF 16949, ISO 9001, ISO 14001, and ISO 45001 certifications and produces composite and interior components.
Products and capabilities described on the company's own site include Composite, Interior (source: llproducts.com).
Certifications
L&L Products is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
AS9100 — llproducts.com
IATF 16949 — llproducts.com
ISO 14001 — llproducts.com
ISO 45001 — llproducts.com
ISO 9001 — llproducts.com
Trade and customs footprint
Customs records list 273 shipments associated with the company, with origins spanning Germany, Turkey, Belgium, China, and several other countries. US customs bill-of-lading records list 273 inbound shipments across 47 foreign suppliers, with top origins including Germany · Turkey · Belgium · China.
Latest developments
2026-10-09 — L&L Products Celebrates Ribbon Cutting for New West Columbia Facility, Building on 20+ Years of Growth - L&L Products - Applied Engineering & Materials Science (llproducts.com)
2026-06-15 — L&L Products France Celebrates 30 Years of Innovation and Regional Investment (llproducts.com)
2026-06-12 — DNA.fr (Les Dernières Nouvelles d'Alsace): L&L Products Invests €25 Million in its Alsace Site - L&L Products - Applied Engineering & Materials Science (llproducts.com)
2026-06-08 — L & L Products investit 25 millions d'euros et crée 50 emplois sur son site bas-rhinois (lejournaldesentreprises.com)
2026-04-28 — L&L Products South Carolina Doubles Square Footage with Move to Larger Facility (llproducts.com)
2026-04-28 — The L&L Products Newsroom - Engineering & Material Science (llproducts.com)
Company details
L&L Products reported a ribbon cutting for a new West Columbia facility in October 2026 and a move to a larger South Carolina facility that doubled its square footage in April 2026. L&L Products was founded in 1958, has an estimated 1,000-5,000 employees, and is headquartered in Romeo, Michigan. On the LightSource stability read it is rated "Established & active": 68 years in operation (founded 1958). 273 US import shipments on record. Holds AS9100, IATF 16949, ISO 14001, ISO 45001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does L&L Products make?
L&L Products is a privately held applied engineering and materials science company headquartered in Romeo, Michigan, founded in 1958. It employs roughly 1,000 to 5,000 people, with an estimated revenue band of $500 million to $1 billion. Its products include static sealing, acoustic and vibration control, structural reinforcement, and composite components, serving the automotive, electric-vehicle, aerospace, construction, renewable-energy, and industrial equipment sectors. In June 2026 the company reported a €25 million investment at its Alsace, France site.
Where is L&L Products headquartered?
L&L Products is headquartered in Romeo, Michigan.
When was L&L Products founded?
L&L Products was founded in 1958.
How big is L&L Products?
L&L Products has an estimated 1,000-5,000 employees, with revenue in the $500M-1B range (estimated).
What certifications does L&L Products hold?
L&L Products lists AS9100 · IATF 16949 · ISO 14001 · ISO 45001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does L&L Products import from overseas suppliers?
US customs bill-of-lading records show 273 inbound shipments for L&L Products, with top origins including Germany · Turkey · Belgium · China.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
'+1 586-336-1700
Certification
AS9100 · IATF 16949 · ISO 14001 · ISO 45001 · ISO 9001
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