Ecological engineering refers to engineering serving ecology and biodiversity. The goal is to preserve nature by acting in all areas of the environment.

PEXE Members
- AQUA VALLEY, the Cluster >>>>>
- BRETAGNE ÉCO-ENTREPRISES, the regional cluster for ecological and energy transition in Brittany >>>>>
- CINOV, the federation of professional unions for consulting, engineering and digital services >>>>>
- DREAM Water and Environments Cluster, the cluster for Durability of Resource in Water associated with Environments Management >>>>>
- NEW AQUITAINE ENVIRONMENT CLUSTER, >>>>>
- THE MEDITERRANEAN SEA CLUSTER, the competitiveness cluster for Provence-Alpes-Côte d’Azur, Occitanie and Corsica >>>>>
- UPDS, the trade union chamber of site remediation professionals >>>>>
- UPGE, the Professional Union for Ecological Engineering >>>>>
- AXELERA, Competitiveness Cluster for chemistry and environment in Auvergne-Rhône-Alpes >>>>>
- CCI PARIS ÎLE-DE-FRANCE, Chamber of Commerce and Industry >>>>>
- CD2E, the Center for Eco-business Development >>>>>
- ADEME International Club, unites innovative French eco-businesses operating or seeking to expand internationally >>>>>
- IDF ECO-ENTERPRISES Club, brings together SMEs, mid-sized companies and ETIs in environment and energy management based in Île-de-France >>>>>
- CLUSTER GREEN, the Regional Group of Companies Committed to the Environment on Réunion Island >>>>>
- CRESCENDO, the Business Innovation Centre >>>>>
- ÉA ÉCO-ENTREPRISES, regional cluster dedicated to eco-activities >>>>>
- GRAND PARIS Sud Seine Essone Sénart, >>>>>
- GREENTECH VERTE, supports those innovating for ecological transition and the Climate Plan >>>>>
- ECOMASTERCLASS ADEME RETIS NETWORK, a collective training and coaching program for innovation professionals >>>>>
- SOLTENA, Solutions for Ecological Transition in Nouvelle-Aquitaine >>>>>