| Établissement | Lieu | Marchés | |
|---|---|---|---|
| ESSOR | Brest | 1 | Carte Concurrents |
| ESSOR INGENIERIE | Marseille 1 | 7 | Carte Concurrents |
| ESSOR INGENIERIE | Bron | 1 | Carte Concurrents |
| ESSOR INGENIERIE | Lille | 2 | Carte Concurrents |
| ESSOR INGENIERIE | Lons | 1 | Carte Concurrents |
| ESSOR INGENIERIE | Paris 8 | 2 | Carte Concurrents |
| ESSOR INGENIERIE | Le mesnil-esnard | 1 | Carte Concurrents |