Abitibi Geophysics Inc. www.ageophysics.com

Ageos www.ageos.fi

Anglo American PLC www.angloamerican.com

BHP Billiton www.bhpbilliton.com

Discovery International Geophysics Inc. www.discogeo.com

GAP Geophysics Australia www.gapgeo.com

GEM Geophysics www.gemgeophysics.com.au

Geosoft Inc. www.geosoft.com

GRM-services Oy Ltd www.grm-services.fi

Hindustan Zinc Ltd www.hzlindia.com

Hudbay Minerals Inc. www.hudbayminerals.com

Independence Group NL www.igo.com.au

Koop Geotechnical Services Inc.

Moombarriga Geoscience www.moombarriga.com.au

Lundin Mining www.lundinmining.com

Newexco Services Pty Ltd www.newexco.com

Newmont Mining Corporation www.newmont.com

Spectral Geophysics www.spectralgeophysics.com

Terratec Geophysical Services www.terratec-geoservices.com

Vortex Geophysics www.vortexgeophysics.com.au

Zonge Engineering and Research Organization (Aust) Pty Ltd www.zonge.com.au