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The 30 largest hardware manufacturers in the Seine-Maritime department

Tamtam tracks 38 hardware manufacturers headquartered in the Seine-Maritime department. This list ranks the 30 largest by number of employees on LinkedIn, led by Sidel, FOURE LAGADEC and Pressalit. Their median headcount is 52. Half of them were founded in 1972 or later. The most common headquarters are Le Havre (3).

馃嚝馃嚪 Seine-Maritime30 companiesUpdated Nov 11, 2026

This selection of hardware manufacturers in Seine-Maritime includes both large groups and mid-sized firms. Companies like Sidel (6,370 employees) provide packaging equipment, while FOURE LAGADEC (1,003 employees) specializes in boiler production and industrial maintenance. SERAPID Group (119 employees) offers rigid chain technology for heavy linear motion, and Robocath (59 employees) develops robotic solutions for cardiovascular diseases. Many of these companies have a long history, with several founded in the mid-20th century.

The data shows a strong presence of industrial machinery manufacturing and plastics manufacturing across the department. Companies such as AMN (111 employees) design and manufacture pelletizing tools for polymers, and PTL groupe SPHERE (56 employees) produces plastic bags. This indicates a diversified manufacturing base, with expertise ranging from heavy industry to specialized medical devices and consumer goods.

#CompanyIndustryHeadquarters EmployeesFounded
1
Sidelsidel.com

Provides equipment, services for packaging beverages, food, home and personal care products in various materials, focusing on customer needs and performance.

Machinery Manufacturing 馃嚝馃嚪 Octeville-sur-Mer 6,370 1965
2
FOURE LAGADECfourelagadec.com

FOURE LAGADEC offers complete service solutions for industries, specializing in boiler production and industrial maintenance with a focus on quality, safety, and the environment

Manufacturing 馃嚝馃嚪 Le Havre 1,003 1922
3
Pressalitpressalit.com

A Danish company producing high-quality toilet seats, accessible bathrooms, and height-adjustable kitchens for people with reduced mobility since 1954

Plastics Manufacturing 馃嚝馃嚪 Ry 211 1954
4
SERAPID Groupserapid.com

Leading provider of Rigid Chain technology for heavy linear motion in industries like kinetic architecture, nuclear, medical, aerospace, automotive, and more worldwide

Industrial Machinery Manufacturing 馃嚝馃嚪 Martin-脡glise 119 1972
5
Didactic - Medical Devicesdidactic.care

Manufacturing, sterilizing, distributing, and commercializing Class I and II CE medical devices to support healthcare professionals and patients.

Pharmaceutical Manufacturing 馃嚝馃嚪 Saint-Jean-de-la-Neuville 118 1967
6
AMNmaag.com

A designer and manufacturer specializing in pelletizing tools for polymers, offering die plates, knives, and holders, with over 40 years of expertise and a global presence

Plastics Manufacturing 馃嚝馃嚪 Port-J茅r么me-sur-Seine 111 1979
7
2H ENERGY2henergy.fr

Specialized in energy systems, providing design, manufacturing, installation, and maintenance services for various sectors including military, nuclear, oil and gas, telecommunications, and healthcare

Industrial Machinery Manufacturing 馃嚝馃嚪 F茅camp 111 1947
8
TOSHIBA Centre Grand Ouesttoshibatec.fr

Innovative company offering cutting-edge solutions tailored to businesses of all sizes, focused on understanding and addressing client needs with proven or innovative technologies

Technology, Information and Internet 馃嚝馃嚪 Sotteville-l猫s-Rouen 94 n/a
9
TUBAO SAStubao.fr

Specializing in water processing and management, offering high-quality HDPE pipes for various industries, with a focus on innovation, engineering, and project security

Civil Engineering 馃嚝馃嚪 Saint-Sa毛ns 93 1950
10
DIRECTdirect.fr

Independent small and medium-sized business specializing in technical support for clients regarding connectivity, cabling, wires, sensors, and electronic components for various industries.

Business Consulting and Services 馃嚝馃嚪 Saint-脡tienne-du-Rouvray 69 1965
11
PEG grouppeg.fr

Family-owned business specializing in quilting, upholstery for sofas, bolsters, mattresses, microfiber comforters, pillows, and innovative insulating construction materials.

Textile Manufacturing 馃嚝馃嚪 Varneville-Bretteville 62 1850
12
Robocathrobocath.com

A French medtech company specializes in developing and commercializing robotic solutions for treating cardiovascular diseases, focusing on precision and interventional conditions improvement

Medical Equipment Manufacturing 馃嚝馃嚪 Rouen 59 2009
13
PTL groupe SPHEREsphere.eu

A company specializing in the manufacturing of plastic bags for household and commercial use, focusing on innovation and sustainable materials

Manufacturing 馃嚝馃嚪 Ouville-la-Rivi猫re 56 1925
14
GYPASSgypass.fr

Since 1992, this Normandy-based company designs and manufactures customizable steel and aluminum external openings, specializing in garage doors and offering a complete range of outdoor products

Wholesale Building Materials 馃嚝馃嚪 Envermeu 54 1992
15
Groupe SUMPARsumpar.com

specializes in supplying complex metal parts and assemblies for aerospace, offering design, machining, quality control, and assembly services

Industrial Machinery Manufacturing 馃嚝馃嚪 Boos 52 1975

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16
SAFTAIR VENTILATIONsaftair.fr

Design and supply of ventilation systems, air treatment units, and certified smoke extraction equipment for professional kitchens and public spaces.

Machinery Manufacturing 馃嚝馃嚪 Torcy-le-Petit 48 1988
17
MecanoLav - Ridel SASmecanolav.fr

Provides modular and customizable industrial cleaning solutions for automotive, aeronautics, railway, and general industries with French manufacturing.

Industrial Machinery Manufacturing 馃嚝馃嚪 Neufch芒tel-en-Bray 45 1926
18
ANFRAYanfray.fr

Specializing in fluid transfer solutions, #ANFRAY offers custom flexible manufacturing and distribution services for industries like food, cosmetics, pharmaceuticals, and more

Industrial Machinery Manufacturing 馃嚝馃嚪 Dieppe 44 1937
19
ATB groupe - Atelier Technique de Bobinageatbgroupe.com

Specializing in rotating machines, providing expert solutions and services in the field

Machinery Manufacturing 馃嚝馃嚪 Le Grand-Quevilly 42 n/a
20
Lucibel SAlucibel.com

Designing, manufacturing, and distributing innovative LED-based lighting solutions in multiple countries, with a focus on quality, design, and customer-centric solutions

Appliances, Electrical, and Electronics Manufacturing 馃嚝馃嚪 Barentin 40 2008
21
Normalab Francenormalab.com

A leading manufacturer of petroleum testing equipment, specializing in laboratory analyzers and glassware, serving industries worldwide with innovative and compliant solutions

Oil and Gas 馃嚝馃嚪 Valliquerville 35 1963
22
SNT Duriezsntduriez.fr

Specializes in constructing and repairing electric transformers, providing essential services for maintaining and building electrical transformer equipment.

Machinery Manufacturing 馃嚝馃嚪 Le Grand-Quevilly 35 n/a
23
ELSYLOGelsylog.com

Manufacturer of electronic security and time management solutions including access control, alarm systems, video surveillance, visitor management, and key tracking

Software Development 馃嚝馃嚪 D茅nestanville 31 2012
24
FOURE LAGADEC Marinefourelagadec.com

specializes in design, manufacturing, and complex maintenance of naval equipment including stabilizers and anti-drift systems for ships

Shipbuilding 馃嚝馃嚪 Le Havre 25 1922
25
KAYOkayo.fr

Revolutionizing the event industry by leveraging documentation to generate leads, share content, and measure impact in real time

Software Development 馃嚝馃嚪 Le Petit-Quevilly 25 2012
26
APN_Outils Coupantsapngroup-cuttingtools.com

Specialist in cutting tools based in Normandy, France Designs, manufactures custom cutting geometries, standard tools, and offers machining time reduction solutions and technical advice

Industrial Machinery Manufacturing 馃嚝馃嚪 Isneauville 23 1988
27
BMI-Axelent

Specializing in designing and manufacturing safety solutions for industrial environments to maximize efficiency, protect personnel, optimize space, and ensure compliance with EU standards

Wholesale Machinery 馃嚝馃嚪 Saint Romain de Colbosc 17 1993
28
NORFILnormandie-filtres.fr

Family-owned company specializing in air filtration for over 30 years Discover their full range of products at http://wwwnormandie-filtresfr/

Motor Vehicle Manufacturing 馃嚝馃嚪 F茅camp 16 1986
29
Kalmar France

Providing sustainable handling equipment and services worldwide, enhancing safety, productivity, and value in the logistics industry.

Machinery Manufacturing 馃嚝馃嚪 Le Havre 15 n/a
30
idr茅vaidreva.com

An industrial company specializing in durable, easy-to-use safety equipment such as ladders, hatches, guardrails, and composite covers with a focus on innovation and customer satisfaction

Wholesale Building Materials 馃嚝馃嚪 Arelaune-en-Seine 15 2015

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How this list is built

Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.

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