What 3M's automotive business makes

3M's automotive business supplies engineered materials to vehicle makers and their tier suppliers, organized under the company's Automotive OEM and Tier unit inside its Transportation and Electronics segment. The portfolio is materials, not modules: structural adhesives in liquid and tape form, high-strength bonding tapes, engineered films, solar and infrared-rejecting glass films for windshields and sunroofs, Thinsulate acoustic and thermal insulation, glass bubbles used as lightweighting fillers, boron nitride cooling fillers, friction shims, wheel weights and balancing parts, sealants, and damping materials.

The applications span the whole vehicle. For interiors, 3M sells adhesives, tapes, films, acoustic insulation, and damping materials that manage road and tire noise while shedding weight. For exteriors and glass, it supplies attachment tapes, sealants that cure in conventional paint ovens, and window films. On the plant floor, its manufacturing and assembly products cover bonding, masking, and surface preparation. A growing share of the work is electric-vehicle thermal management: Thinsulate and related materials go into battery-pack insulation, and structural adhesives and gap fillers into battery bonding and thermal control. In its 2024 results, 3M named automotive electrification as a source of volume growth and spec-in wins even as overall automotive OEM build rates weighed on the segment.

Financial performance

3M's automotive unit does not report standalone financials; it rolls up into 3M Company, the publicly traded parent (NYSE: MMM). For FY2024, 3M Company reported net sales of $24.6 billion, roughly flat against the prior year, at an operating margin near 19.6 percent. The Transportation and Electronics segment, which houses the automotive and aerospace division, posted net sales of $8.38 billion in 2024, down from $8.50 billion in 2023, a decline of about 1.4 percent in US dollars. Per the company's own commentary, electronics grew while automotive and aerospace softened on OEM build rates and headwinds tied to PFAS-related products, partly offset by new-product launches and spec-in share gains.

The parent's balance sheet is investment grade. As of late 2025, 3M carried Moody's A3, S&P BBB+, and Fitch A- ratings, all with stable outlooks, and its $4.25 billion revolving credit facility was undrawn. Those are 3M Company figures, published in its filings, and they describe the financial backing behind the automotive line rather than the line itself.

Ownership and history

3M began in 1902 as Minnesota Mining and Manufacturing Company and is today a diversified global manufacturer with roughly 61,000 employees and more than 60,000 products across safety, industrial, consumer, and transportation and electronics markets. It is headquartered at the 3M Center campus, 2501 Hudson Road in Maplewood, near St. Paul, Minnesota, where central business functions and much of its product design sit while manufacturing runs across a global plant network.

The automotive business is one line within that portfolio, managed through the Transportation and Electronics Business Group. William M. Brown became chief executive in May 2024, arriving from L3Harris Technologies, and added the chairman role in March 2025. Wendy Bauer was named Group President of the Transportation and Electronics Business Group in 2024, joining from Amazon Web Services; her group includes the automotive and aerospace, advanced materials, electronics materials, and display divisions.

Certifications and quality

3M states that many of its manufacturing sites are certified to IATF 16949, the automotive quality-management standard, with each site certificate scoping the specific product families and support locations it covers. That site-by-site structure is normal for a supplier this size, where a given adhesive or film is made in a plant certified for its automotive scope rather than under a single company-wide certificate. The company's broader quality lineage runs through ISO 9001, and it describes production part approval as standard practice for parts qualified into OEM programs. Buyers qualifying a 3M automotive material should confirm the IATF scope of the specific producing site for their part.

Known customers

3M supplies materials to essentially all major automakers and a wide base of Tier 1 and Tier 2 suppliers, but it does not publish a named customer roster for the automotive unit, and this profile does not infer one. What the company does disclose is directional: its 2024 results describe spec-in wins and share gains in automotive, concentrated in electrification programs, which indicates new design-in placements across OEM platforms without naming them. For a materials supplier selling adhesives, films, and insulation by the vehicle program, that pattern of qualified spec-ins is the meaningful signal, and it is reported here as the company's own characterization rather than a customer list.

Frequently asked questions

What does 3M's automotive business make?

3M's automotive business makes engineered materials for vehicles: structural adhesives and bonding tapes, engineered and solar-control films, Thinsulate acoustic and thermal insulation, glass bubbles for lightweighting, sealants, damping materials, friction shims, wheel weights, and thermal-management products for EV battery packs. It sells to automotive OEMs and their tier suppliers rather than making finished modules.

Who owns 3M's automotive business?

The automotive business is a unit of 3M Company, the publicly traded manufacturer listed on the New York Stock Exchange as MMM. It is managed within 3M's Transportation and Electronics Business Group and does not operate as a separate legal entity.

What is 3M's revenue?

3M Company reported net sales of $24.6 billion for FY2024 at an operating margin near 19.6 percent. Its Transportation and Electronics segment, which includes automotive, posted $8.38 billion in 2024 net sales. The automotive unit itself does not report standalone revenue.

Where is 3M headquartered?

3M is headquartered at the 3M Center campus, 2501 Hudson Road, Maplewood, Minnesota 55144, in the St. Paul metropolitan area. Central business functions and product design are based there, with manufacturing across a global plant network.

Who are 3M's automotive customers?

3M supplies materials to major automakers and their Tier 1 and Tier 2 suppliers worldwide but does not publish a named customer list for the automotive unit. In its 2024 results the company cited spec-in wins and share gains in automotive, concentrated in electrification programs.

What certifications does 3M hold for automotive?

3M reports IATF 16949 certification at many of its manufacturing sites, with each site certificate scoping the product families it covers, plus a broader ISO 9001 quality lineage. Buyers should confirm the IATF scope of the specific site producing their part.

Last verified September 27, 2026. Is this your company? Request a correction.