- Aksjeselskap av 25-04-06 AS c/o Reitan Servicehandel AS
 - Ambiente International LLP
 - Case New Holland, Poland, Belgium, Italy, UK
 - ERM
 - Fenice Italy SpA
 - Fiat Italy
 - Geoprobe Europe
 - Golder Associates AB
 - Länsstyrelsen i Östergötland
 - New Holland Ltd UK, US
 - Polaris Management A/S
 - Robinson plc.
 - Shield Environmental Associates, Inc
 - Swedish Geotechnical Institute
 

