Val d'Oise is home to a range of complementary industries and other business activities, based in a variety of established and emerging centers.
Persan-Beaumont, with its rich industrial tradition, is a source of balance for economic life in the northwest of département, not only through its established metallurgy businesses but also through a variety of advanced technology companies.
Sites along the Seine near Argenteuil-Bezons, Cormeilles, Herblay and La Frette are ideally located, offering rapid access to Paris and La Défense. Argenteuil-Bezons is home to aerospace, mechanical engineering and a variety of high-tech companies, as well as fine chemicals and plastics processing operations. The new Seinergie business park, served by a major motorway, confirms the sucess of earlier ventures that include "Harmoniques", "Algorithmes" and "Thales".
The Montmorency valley is best known as a prime residential area, but it also the site for numerous smaller businesses involved in advanced technology sectors, many of them sub-contractors to the mechanical engineering, plastics and electronics industries. Plans for larger industrial areas in the west of the valley with bolster the département's position as a base for services and offices.
| C.A. DES PLUS IMPORTANTES ENTREPRISES (en millions d’euros) | ||
|---|---|---|
| Nom | Activités | CA 2005 |
| BP France | Pétrole | 7.938 |
| Amec Spie | Ingénierie électrique, télécoms, services | 2.688 |
| Groupe DHL France | Transport et logistique | 2.000 |
| Général Motors France | Automobiles | 1.895 |
| 3M France | Pharmacie | 1.020 |
| Spie Batignolles | Travaux publics, BTP | 925,8 |
| Dow France | Chimie | 817,2 |
| 3M France | Adhésifs, bureautique | 706,5 |
| Bacou - Dalloz | Equipements de protection | 694,2 |
| Johnson Controls Automotive | Automobiles | 591,9 |
| L’EMPLOI DANS L’INDUSTRIE MANUFACTURIERE | |||
|---|---|---|---|
| Secteur industriel | Effectifs | Part dans l’effectif industriel | Part du Val d’Oise dans l’Ile de France |
| Total industrie manufacturière dont : | 43.700 | 100% | 8,3 % |
| Fabrication d’instruments médicaux, de précision, d’optique et d’horloge | 5.002 | 11,4 % | 12,8 % |
| Industrie chimique | 4.880 | 11,2 % | 7,5 % |
| Travail des métaux | 4.849 | 11,1 % | 13,8 % |
| Fabrication de machines et équipements | 4.559 | 10,4 % | 12,7 % |
| Industries alimentaires | 3.076 | 7,0 % | 6,4 % |
| Fabrication d’équipements de radio, de télévision et de communication | 2.810 | 6,4 % | 9,4 % |
| Fabrication de machines et appareils électriques | 2.775 | 6,4 % | 14,8 % |
| Industrie automobile | 2.526 | 5,8 % | 4,5 % |
| Industrie du caoutchouc et des plastiques | 2.080 | 4,8 % | 18,6 % |
Reflecting the dynamism of recent years, Val d'Oise now boasts a diversified range of office facilities. In the last two years alone, work on 100.000 sq. m. of new office space has got underway, with the focus of development now expanding beyond the Cergy-Pontoise area into the Vallée de Montmorency and other areas: renovation and new construction are reshaping economic life in Vald'Oise.
