# Companies in Montesson: 1,464 active companies, page 4

Updated November 7, 2026.

Biggest industries, 121 to 160 of 199, in the same order as page 1.

## The full lists

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- [Companies in Montesson, Yvelines](https://specstream.ai/data/france-companies/town/montesson-78418): 649 rows, every active company the pages name, at any registration date, in the Sirene stock dated 1 November 2026, $32.45, or the new rows each week for $19 a month. Buy: https://specstream.ai/data/france-companies/town/montesson-78418
- [Companies in Yvelines, France](https://specstream.ai/data/france-companies/department/78-yvelines): 59,628 rows, every active company the pages name, at any registration date, in the Sirene stock dated 1 November 2026, $676.28, or the new rows each week for $19 a month. Buy: https://specstream.ai/data/france-companies/department/78-yvelines

SpecStream is the live web data engine for teams and agents. It reads the Sirene register every month, and this page is that reading. Ask for the companies you track by industry, place or registration date and each new company arrives in your sheet, CRM, Slack or agent.

## Biggest industries, page 4

| Industry | NAF code | Active companies |
| --- | --- | --- |
| [Manufacture of perfumes and toilet preparations](https://specstream.ai/data/france-companies/industry/20-42z-manufacture-of-perfumes-and-toilet-preparations) | 20.42Z | 1 |
| [Manufacture of plastic consumer goods](https://specstream.ai/data/france-companies/industry/22-29b-manufacture-of-plastic-consumer-goods) | 22.29B | 1 |
| [Manufacture of metal structures and parts of structures](https://specstream.ai/data/france-companies/industry/25-11z-manufacture-of-metal-structures-and-parts-of-structures) | 25.11Z | 1 |
| [Manufacture of locks and hinges](https://specstream.ai/data/france-companies/industry/25-72z-manufacture-of-locks-and-hinges) | 25.72Z | 1 |
| [Manufacture of other furniture and related furnishings](https://specstream.ai/data/france-companies/industry/31-09b-manufacture-of-other-furniture-and-related-furnishings) | 31.09B | 1 |
| [Manufacture of medical, surgical and dental equipment](https://specstream.ai/data/france-companies/industry/32-50a-manufacture-of-medical-surgical-and-dental-equipment) | 32.50A | 1 |
| [Other manufacturing n.e.c.](https://specstream.ai/data/france-companies/industry/32-99z-other-manufacturing-n-e-c) | 32.99Z | 1 |
| [Repair of machinery](https://specstream.ai/data/france-companies/industry/33-12z-repair-of-machinery) | 33.12Z | 1 |
| [Installation of metal structures, boilerwork and piping](https://specstream.ai/data/france-companies/industry/33-20a-installation-of-metal-structures-boilerwork-and-piping) | 33.20A | 1 |
| [Trade of electricity](https://specstream.ai/data/france-companies/industry/35-14z-trade-of-electricity) | 35.14Z | 1 |
| [Collection of non-hazardous waste](https://specstream.ai/data/france-companies/industry/38-11z-collection-of-non-hazardous-waste) | 38.11Z | 1 |
| [Recovery of sorted materials](https://specstream.ai/data/france-companies/industry/38-32z-recovery-of-sorted-materials) | 38.32Z | 1 |
| [Residential property development](https://specstream.ai/data/france-companies/industry/41-10a-residential-property-development) | 41.10A | 1 |
| [Development of other buildings](https://specstream.ai/data/france-companies/industry/41-10c-development-of-other-buildings) | 41.10C | 1 |
| [Construction of utility projects for electricity and telecommunications](https://specstream.ai/data/france-companies/industry/42-22z-construction-of-utility-projects-for-electricity-and-telecommunication) | 42.22Z | 1 |
| [Demolition](https://specstream.ai/data/france-companies/industry/43-11z-demolition) | 43.11Z | 1 |
| [Routine site preparation and earthworks](https://specstream.ai/data/france-companies/industry/43-12a-routine-site-preparation-and-earthworks) | 43.12A | 1 |
| [Metal joinery and locksmith installation](https://specstream.ai/data/france-companies/industry/43-32b-metal-joinery-and-locksmith-installation) | 43.32B | 1 |
| [Roof framing and carpentry](https://specstream.ai/data/france-companies/industry/43-91a-roof-framing-and-carpentry) | 43.91A | 1 |
| [Wholesale trade of motor vehicle parts and accessories](https://specstream.ai/data/france-companies/industry/45-31z-wholesale-trade-of-motor-vehicle-parts-and-accessories) | 45.31Z | 1 |
| [Food purchasing groups](https://specstream.ai/data/france-companies/industry/46-17a-food-purchasing-groups) | 46.17A | 1 |
| [Other agents involved in the sale of a variety of goods](https://specstream.ai/data/france-companies/industry/46-19b-other-agents-involved-in-the-sale-of-a-variety-of-goods) | 46.19B | 1 |
| [Wholesale of fruit and vegetables](https://specstream.ai/data/france-companies/industry/46-31z-wholesale-of-fruit-and-vegetables) | 46.31Z | 1 |
| [Wholesale of beverages](https://specstream.ai/data/france-companies/industry/46-34z-wholesale-of-beverages) | 46.34Z | 1 |
| [Other specialised wholesale of food](https://specstream.ai/data/france-companies/industry/46-38b-other-specialised-wholesale-of-food) | 46.38B | 1 |
| [Non-specialised wholesale of food](https://specstream.ai/data/france-companies/industry/46-39b-non-specialised-wholesale-of-food) | 46.39B | 1 |
| [Wholesale of china, glassware and cleaning materials](https://specstream.ai/data/france-companies/industry/46-44z-wholesale-of-china-glassware-and-cleaning-materials) | 46.44Z | 1 |
| [Wholesale of pharmaceutical goods](https://specstream.ai/data/france-companies/industry/46-46z-wholesale-of-pharmaceutical-goods) | 46.46Z | 1 |
| [Wholesale of furniture, carpets and lighting equipment](https://specstream.ai/data/france-companies/industry/46-47z-wholesale-of-furniture-carpets-and-lighting-equipment) | 46.47Z | 1 |
| [Wholesale of other office machinery and equipment](https://specstream.ai/data/france-companies/industry/46-66z-wholesale-of-other-office-machinery-and-equipment) | 46.66Z | 1 |
| [Wholesale of solid, liquid and gaseous fuels and related products](https://specstream.ai/data/france-companies/industry/46-71z-wholesale-of-solid-liquid-and-gaseous-fuels-and-related-products) | 46.71Z | 1 |
| [Wholesale of hardware](https://specstream.ai/data/france-companies/industry/46-74a-wholesale-of-hardware) | 46.74A | 1 |
| [Retail sale of fruit and vegetables in specialised stores](https://specstream.ai/data/france-companies/industry/47-21z-retail-sale-of-fruit-and-vegetables-in-specialised-stores) | 47.21Z | 1 |
| [Retail sale of meat and meat products in specialised stores](https://specstream.ai/data/france-companies/industry/47-22z-retail-sale-of-meat-and-meat-products-in-specialised-stores) | 47.22Z | 1 |
| [Retail sale of bread, cakes, flour confectionery and sugar confectionery in specialised stores](https://specstream.ai/data/france-companies/industry/47-24z-retail-sale-of-bread-cakes-flour-confectionery-and-sugar-confectionery) | 47.24Z | 1 |
| [Retail sale of beverages in specialised stores](https://specstream.ai/data/france-companies/industry/47-25z-retail-sale-of-beverages-in-specialised-stores) | 47.25Z | 1 |
| [Retail sale of computers, peripheral units and software in specialised stores](https://specstream.ai/data/france-companies/industry/47-41z-retail-sale-of-computers-peripheral-units-and-software-in-specialised) | 47.41Z | 1 |
| [Retail sale of hardware, paints and glass in small stores (under 400 m2)](https://specstream.ai/data/france-companies/industry/47-52a-retail-sale-of-hardware-paints-and-glass-in-small-stores-under-400-m2) | 47.52A | 1 |
| [Retail sale of furniture](https://specstream.ai/data/france-companies/industry/47-59a-retail-sale-of-furniture) | 47.59A | 1 |
| [Retail sale of sporting equipment in specialised stores](https://specstream.ai/data/france-companies/industry/47-64z-retail-sale-of-sporting-equipment-in-specialised-stores) | 47.64Z | 1 |

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Source: [INSEE, base Sirene des entreprises et de leurs établissements, on data.gouv.fr](https://www.data.gouv.fr/datasets/base-sirene-des-entreprises-et-de-leurs-etablissements-siren-siret). Licence Ouverte / Open Licence 2.0 (Etalab), source INSEE. Counts are of active companies in the Sirene register stock dated 1 November 2026: commercial companies (SARL, SAS, SA and the like) and civil companies such as SCI property companies. Sole traders, associations and public bodies are not counted, and the register lists dormant holding and property companies as active, so a count is of companies on the register, not of trading businesses. A company is counted under its main activity (NAF rev. 2 code) and the commune of its head office; companies whose register entry holds no NAF rev. 2 code are in the totals only. "With employees" means the register holds an employee band of one or more. Industry titles are English renderings of the INSEE labels. Contains data from INSEE, reused under the Licence Ouverte 2.0. This page is not endorsed by INSEE.

Free to reuse with credit to SpecStream under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).