ZM

What ZM does

ZM S.A. is a privately held Brazilian automotive components manufacturer founded on April 25, 1983, and headquartered in Brusque, Santa Catarina, Brazil. The company designs and manufactures a broad portfolio of automotive parts spanning electrical components (starter relays, starter motors, alternators, alternator pulleys, starter drives, armatures, rotors, stators, tensioners), mechanical components (wheel bolts and nuts, suspension and steering parts, U-joints and driveshaft components, leaf spring clamps), and cold forged special parts, fasteners, and road equipment. Cold forging (Conformação a Frio) is the company's designated core business, supported by vertically integrated manufacturing that includes in-house raw material preparation (phosphatizing, annealing, wire drawing), in-house tooling development, and multi-stage cold forging presses up to 600 tons capacity.

ZM operates through a two-channel go-to-market model. On the OEM side, the company directly supplies major global automakers and system integrators including Mercedes-Benz, Volvo, Scania, Volkswagen, Ford, Fiat, GM, Agrale, John Deere, Case New Holland, Fiat-Iveco, and Randon for components integrated into new vehicles. On the aftermarket side, ZM distributes replacement parts through a network of authorized distributors and commercial representatives serving independent repair shops, dealerships, and parts retailers across Brazil and more than 35 international markets. The company holds IATF 16949 certification, the standard automotive quality management requirement, and supports its channel with a multilingual corporate website (seven languages), a searchable online catalog searchable by vehicle make/model, technical videos, a downloadable technical library, and a Windows desktop application for offline catalog access. Pricing is not publicly disclosed and operates on a quote-based OEM contract model; revenue is not publicly reported.

Name

ZM

Legal name

ZM S.A.

Website

https://zm.com.br

Company type

Private

Founded year

1983

Operating status

Operating

Headcount range

501–1,000 employees

Short description

ZM S.A. is a Brazilian automotive parts manufacturer founded in 1983, specializing in cold-forged components including starter relays, alternators, wheel bolts, and suspension/steering parts supplied to global OEMs and aftermarket distributors in 35+ countries.

Ownership category

akta.pro rank

Product category

Automotive Components Manufacturing

NAICS

Motor Vehicle Electrical and Electronic Equipment Manufacturing (33632), Motor Vehicle Electrical and Electronic Equipment Manufacturing (336320), Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing (33633), Motor Vehicle Parts Manufacturing (3363), Other Motor Vehicle Parts Manufacturing (33639)

SIC

Motor Vehicle Parts & Accessories (3714), Bolts, Nuts, Screws, Rivets & Washers (3452)

akta.pro primary industry

Passenger Vehicle Electrical & Electronics Manufacturing (ICE) (IMACAAAK)

akta.pro secondary industries

Wheels, Tires, Brakes & Suspension Components Manufacturing (IMACAOAH), Steering Systems & Components (Columns/Racks/EPS Pumps & Motors) (IMACAIAB), Frames, Chassis & Structural Components Manufacturing (IMACAOAG)

Keywords

• Automotive components manufacturing
• Cold forged parts
• Starter motors alternators
• Wheel bolts and nuts
• Suspension and steering parts

Headquarters

HQ city

Brusque

HQ country

Brazil

HQ region

Latin America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. OEM Auto Parts Sales: Direct supply of starter relays, alternators, motors, and mechanical components to original equipment manufacturers (OEM) and system integrators in the automotive industry.
2. Aftermarket Auto Parts: Replacement parts distribution through network of distributors serving vehicle repair shops, fleets, and independent retailers. Strong presence in both domestic Brazilian market and international markets in 35+ countries.
3. Cold Forged Special Parts: Custom cold forged components supplied to various industries including automotive, industrial, tools and equipment sectors, serving both OEM and aftermarket applications.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels7 records

Core offering

ZM S.A. manufactures and supplies automotive electrical and mechanical components—including starter relays, starter motors, alternators, alternator pulleys, starter drives, tensioners, cold forged special parts, wheel bolts and nuts, suspension and steering components, U-joints, and leaf spring clamps—to automotive OEMs and the independent aftermarket. The company operates a vertically integrated production model anchored in cold forging (Conformação a Frio), with in-house tooling development, CAD/CAE-based product engineering, and IATF 16949 certified quality management, selling in more than 35 countries.

Product overview

ZM S.A. is a Brazilian automotive parts manufacturer with over 40 years of experience, offering a comprehensive portfolio organized into three main product lines: Electrical (Relés de Partida, Motores de Partida, Alternadores, Induzidos/Rotores/Estatores, Polias para Alternadores, Impulsores de Partida, Tensores), Mechanical (Conformados a Frio, Parafusos e Porcas de Roda, Suspensão e Direção, Cruzetas e Componentes de Cardans, Grampos de Mola), and Other Lines (Fixadores, Implementos Rodoviários). The company also provides digital tools including an online catalog and Windows-based mobile application. Cold Forging (Conformados a Frio) is the company's Core Business, while Solenoid Switches and Relays represent the original flagship product line. Products serve both OEM and aftermarket channels globally.

Differentiator

Problem solved

Functional benefit

Products and services

• Relés de Partida (Starter Relays / Solenoid Switches) Solenoid switches and relays for starter motors, ZM's flagship product line with 945 models covering vehicles worldwide, supplied to OEM manufacturers and aftermarket distributors.
• Motores de Partida (Starter Motors) Complete starter motors with 144 models for domestic and international markets, featuring modern optimized production processes and ZM quality guarantee.
• Alternadores (Alternators) Complete alternators with 135 models serving both domestic and international markets, including components for alternator systems, supplied to OEM and aftermarket channels.
• Induzidos, Rotores e Estatores (Armatures, Rotors and Stators) Armatures for ZM starter motors, plus rotors and stators for alternator applications, with 36 total models leveraging 30+ years of electrical line experience.
• Polias para Alternadores (Alternator Pulleys / Free Wheel Pulleys) Free wheel pulleys for alternators with 318 models, designed to reduce tensioner force, belt vibration, noise, and extend system life.
• Impulsores de Partida (Starter Drives) Starter drive assemblies with 243 models for various applications, developed with ZM's dedication to quality, performance, and reliability.
• Tensores (Belt Tensioners) Belt tensioners with 52 models ensuring performance and reliability for belt drive systems, minimizing torsional vibrations and extending system life.
• Conformados a Frio (Cold Forged Special Parts) Cold forged special parts serving as ZM's Core Business, produced using horizontal multi-stage presses and hydraulic/mechanical presses up to 600 tons capacity, supplied to automotive OEM, aftermarket, and industrial sectors.
• Parafusos e Porcas de Roda (Wheel Bolts and Nuts) Wheel bolts and nuts with 1,170 models for passenger cars, pickups, trucks, buses, and trailers, serving OEM and aftermarket channels including Mercedes-Benz, Volvo, Scania, GM, Volkswagen, Ford, Fiat, Agrale, and Randon applications.
• Suspensão e Direção (Suspension and Steering Components) Suspension and steering components including tie rods, steering rods, stabilizer links, control arms, suspension pivots, and axial terminals for light and heavy-duty vehicles, manufactured in Brazil with rigid quality criteria.
• Cruzetas e Componentes de Cardans (U-Joints and Driveshaft Components) U-joints with 97 models and driveshaft components with 69 models, produced through cold forging process maintaining material fiber integrity and providing high mechanical strength.
• Grampos de Mola (Leaf Spring Clamps / U-Bolts) Leaf spring clamps with 51 models for heavy vehicles, designed to ensure proper spring fixation and suspension system integrity under high loads and vibrations.
• Implementos Rodoviários (Road Equipment / Dump Bodies) Tipper bodies and road equipment including mineral, Europa, and standard dump buckets with various capacities (10m³, 12m³, 14m³, 16m³) for 6x2 and 6x4 vehicles, featuring Hyva or Binotto hydraulic systems.
• Fixadores (Fasteners) Fasteners including hexagonal metric and inch screws for various market segments including automotive, industrial, tools and equipment, produced with modern machinery and quality control.

Quantifiable outcome

• Products supplied to major automakers and system integrators in OEM market
• +1 more outcomes

Named customers12 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators10 records

Recent moves6 records

Expansion highlights5 records

Regional players

• Mercur: Brazilian manufacturer of fasteners, bolts, and industrial components including wheel bolts and special parts. Comparable to ZM's wheel bolts and fasteners lines, with overlapping OEM customer base in Brazil and Latin America.
• Fras-le: Brazilian-based (Randon group) manufacturer of friction, suspension, and powertrain components for commercial vehicles. Directly comparable to ZM's heavy-vehicle focus (Mercedes-Benz, Volvo, Scania, Randon) and commercial vehicle aftermarket presence.

Broad incumbents

• Denso: Major Japanese Tier-1 producing alternators, starters, and electrical components for OEM and aftermarket. Directly competes with ZM in starter/alternator categories and shares the IATF-certified supplier profile across global OEMs.
• Mahle Metal Leve: Brazilian subsidiary of Mahle producing engine components, pistons, and electrical/mechanical parts for OEM and aftermarket. Comparable to ZM as a long-established Brazilian auto parts manufacturer with IATF certification and global OEM customers.
• Iochpe-Maxion: Brazilian global manufacturer of automotive wheels and structural components. Comparable to ZM in serving global OEMs with manufacturing scale from Brazil, with vertical integration in steel-based components.
• Bosch: Global Tier-1 automotive supplier with broad electrical and mechanical components portfolio including starters, alternators, and braking systems. Directly comparable to ZM's electrical line and aftermarket distribution model, but at vastly larger scale and with EV product portfolios.
• Marelli: Global automotive supplier with operations in Brazil producing electrical powertrain components, starters, alternators, and electronic systems. Direct peer to ZM's electrical portfolio with strong OEM relationships and established aftermarket channels.
• BorgWarner: US-based global automotive supplier producing starters, alternators, and drivetrain components with significant presence in commercial vehicle and passenger OEM markets. Comparable to ZM on electrical components portfolio and global OEM supply chain.
• Valeo: French automotive supplier specializing in electrical systems, starters, alternators, and powertrain components. Direct peer to ZM's electrical portfolio with significant global OEM presence and a transitioning EV product roadmap.

Direct peers

• Tupy S.A. Brazilian-headquartered automotive components manufacturer producing complex iron castings and machined components for powertrain and chassis. Comparable to ZM as a Brazilian-listed Tier-1 auto parts supplier serving global OEMs with vertical manufacturing integration.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/curtaZM
• LinkedInlinkedin.com/company/zm-s-a

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ZM