EUCETSA's Regular Members each represent national environmental technology industries in a broad sense. Together the Regular Members form the General Assembly, the governing body of EUCETSA. The Regular Members are listed below.
 
Amec Amecma (Spain)
Asset (Sweden)
Swissmem (Switserland)
VDMA (Germany)

The Associated Members of EUCETSA represent a section or organization in the field, and are involved in all issues but do not take part in the decision making processes. The Associated Members are listed below.

Aclima (Spain)
Apemeta (Portugal)
CWN - Vannklyngen
TNAV (Belgium)