The Seine-Maritime department hosts a range of manufacturing companies, from large established groups to more recent firms. These companies specialize in diverse sectors such as machinery, food processing, and packaging. Key players include Sidel, a major provider of packaging equipment for beverages and food, and FOURE LAGADEC, which focuses on boiler production and industrial maintenance.
Other notable companies include Saipol, an agri-food company processing oilseeds, and Aspen Notre-Dame-de-Bondeville, which manufactures sterile pharmaceutical products. A common thread among these companies is their focus on industrial production and processing, with a significant presence in food and beverage manufacturing, as well as specialized industrial components and services.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 6,370 | ||||
| 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 |
1,003 | |||
| 3 |
Groupe LHOTELLIERlhotellier.fr
A century-old independent family group specializing in construction, public works, and environmental services, with a strong focus on local development and sustainability |
608 | |||
| 4 |
Saipolsaipol.com
A French agri-food company specializing in processing oilseeds into oils, animal feed, renewable transport fuels, and vegetable glycerin |
493 | |||
| 5 |
NATUPnatup.coop
This agricultural and agri-food cooperative supports 7000 farmers, focusing on sustainable agriculture, processing, and distributing raw or transformed products across a wide territory. |
426 | |||
| 6 |
Novacelnovacel-solutions.com
Provides technical films, tapes, papers, and machines to protect and preserve material surfaces across various industrial market segments. |
390 | |||
| 7 |
Aspen Notre-Dame-de-Bondevilleaspenndb.com
Manufacturing sterile pharmaceutical products, including antithrombotics and injectable anesthetics, from active ingredient to finished product, with global distribution and ethical practices. |
377 | |||
| 8 |
PGS GROUPpgsgroup.com
Development and supply of customized wooden packaging solutions, including pallets and eco-friendly services, focused on cost-saving and sustainability. |
354 | |||
| 9 |
Interior'sinteriors.fr
A French-based company specializing in unique furniture and accessories, handcrafted with traditional methods and exceptional quality wood, reflecting French 'Art de vivre' |
347 | |||
| 10 |
Groupe Nutrisetgroupenutriset.fr
Research, production, and distribution of nutritional products to treat and prevent malnutrition among vulnerable populations worldwide. |
246 | |||
| 11 |
Les Ateliers du Goûtles-ateliers-du-gout.fr
Production of homemade-style French recipes for professional restaurateurs, emphasizing quality, teamwork, and regional manufacturing workshops. |
212 | |||
| 12 |
Pressalitpressalit.com
A Danish company producing high-quality toilet seats, accessible bathrooms, and height-adjustable kitchens for people with reduced mobility since 1954 |
211 | |||
| 13 |
Nexiranexira.com
Family-owned company, world leader acacia gum, global leader natural ingredients, botanical extracts, food, nutrition, dietary supplements, clean label. |
200 | |||
| 14 |
Abysse Corp Groupabyssecorp.com
Design, manufacture, and distribute licensed pop culture merchandise including manga, cinema, video games, with global offices and multiple product lines. |
192 | |||
| 15 |
DYKA Francedyka.fr
Designs, manufactures, and sells PVC, PP, and PE solutions for various sectors, providing quality products, professional advice, and valuable services |
164 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
PAUL MARIUSpaulmarius.fr
The company specializes in creating handmade retro-inspired leather bags and accessories, with a focus on quality craftsmanship and affordable prices |
145 | |||
| 17 |
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 |
119 | |||
| 18 |
Didactic - Medical Devicesdidactic.care
Manufacturing, sterilizing, distributing, and commercializing Class I and II CE medical devices to support healthcare professionals and patients. |
118 | |||
| 19 | 111 | ||||
| 20 |
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 |
111 | |||
| 21 | 93 | ||||
| 22 |
Touflet Boulangertoufletboulanger.fr
A family-owned bakery since 1929, delivering fresh bread to restaurants with a focus on quality, tradition, and sustainability Serving clients in multiple regions |
79 | |||
| 23 |
TLCcharcuterietlc.fr
Production, marketing, and distribution of high-quality traditional Normandy regional food products including charcuterie, crêpes, and savory pies. |
68 | |||
| 24 | 62 | ||||
| 25 |
Robocathrobocath.com
A French medtech company specializes in developing and commercializing robotic solutions for treating cardiovascular diseases, focusing on precision and interventional conditions improvement |
59 | |||
| 26 | 57 | ||||
| 27 |
PTL groupe SPHEREsphere.eu
A company specializing in the manufacturing of plastic bags for household and commercial use, focusing on innovation and sustainable materials |
56 | |||
| 28 |
ONDULINE Francefr.onduline.com
Specializes in lightweight roofing, cladding, waterproofing, and exterior home improvement products and solutions for building envelopes. |
54 | |||
| 29 | 54 | ||||
| 30 |
Groupe SUMPARsumpar.com
specializes in supplying complex metal parts and assemblies for aerospace, offering design, machining, quality control, and assembly services |
52 | |||
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 12, 2026.
More company lists in the Seine-Maritime department
- The largest companies in the Seine-Maritime department 918
- Retail chains in the Seine-Maritime department 97
- Multinational companies in the Seine-Maritime department 89
- Companies with in-house R&D in the Seine-Maritime department 67
- Public sector organisations in the Seine-Maritime department 65
- Distributors and wholesalers in the Seine-Maritime department 53
- Professional services firms in the Seine-Maritime department 51
- Critical infrastructure operators in the Seine-Maritime department 46
- Family-owned companies in the Seine-Maritime department 44
- IT services companies in the Seine-Maritime department 40
- Hardware manufacturers in the Seine-Maritime department 38
- Education providers in the Seine-Maritime department 36
- Healthcare providers in the Seine-Maritime department 34
- Logistics companies in the Seine-Maritime department 34
- Financial services firms in the Seine-Maritime department 32
- IT Services and IT Consulting companies in the Seine-Maritime department 30
- Real Estate companies in the Seine-Maritime department 30
- Higher Education companies in the Seine-Maritime department 28
- Software Development companies in the Seine-Maritime department 28
- Government Administration companies in the Seine-Maritime department 27
- Industrial Machinery Manufacturing companies in the Seine-Maritime department 27
- Consulting firms in the Seine-Maritime department 26
- Hospitals and Health Care companies in the Seine-Maritime department 25
The same list elsewhere in France
- Manufacturers in France 6,697
- Manufacturers in Île-de-France 1,515
- Manufacturers in Auvergne-Rhône-Alpes 1,216
- Manufacturers in Grand Est 573
- Manufacturers in Nouvelle-Aquitaine 498
- Manufacturers in Pays de la Loire 484
- Manufacturers in Occitanie 433
- Manufacturers in Provence-Alpes-Côte d'Azur 394
- Manufacturers in Hauts-de-France 369
- Manufacturers in the Rhône department 322
- Manufacturers in Brittany 307
- Manufacturers in the Hauts-de-Seine department 285
- Manufacturers in Bourgogne-Franche-Comté 272
- Manufacturers in Normandy 245
- Manufacturers in Centre-Val de Loire 207
- Manufacturers in the Nord department 204
- Manufacturers in the Bouches-du-Rhône department 187
- Manufacturers in the Isère department 178
- Manufacturers in the Haute-Garonne department 159
- Manufacturers in the Gironde department 137
- Manufacturers in the Essonne department 127
- Manufacturers in the Loire-Atlantique department 125
- Manufacturers in the Loire department 122
- Manufacturers in Paris 546
The same list elsewhere
- Manufacturers in the world 39,579
- Manufacturers in Europe 18,156