3D Laser Mapping Ltd United Kingdom 
 Acquire Australia 
 Agapito Associates United States 
 AMEC Earth & Environmental Inc. Canada 
 Appalachian Mining & Engineering Inc. United States 
 Canary Systems, Inc. United States 
 D'Appolonia Engineering United States 
 Delair-Tech France 
 Eijkelkamp Netherlands 
 Enersoft Canada 
 Exyn Technologies United States 
 Field Lining Systems Inc. United States 
 Fugro Netherlands 
 Gatewing NV Belgium 
 Geoprobe Systems United States 
 GeoSLAM Ltd United Kingdom 
 GeoSonics Inc. United States 
 Hilfiker Retaining Walls United States 
 IDS GeoRadar s.r.l. Italy 
 Leica Geosystems AG Switzerland 
 Loeb Winternitz Industrial Auctioneers United States 
 Longwall Associates United States 
 Marston United States 
 Marston Canada Ltd Canada 
 Marston International Pty. Ltd. Australia 
 Measurement Devices Ltd. United Kingdom 
 MineRP South Africa 
 Neftex United Kingdom 
 Pincock Allen & Holt (PAH) United States 
 Presto Geosystems United States 
 Prime Power North South Africa 
 Profile Products United States 
 PT. Kitadin Indonesia 
 Reutech Radar Systems South Africa 
 RIEGL Laser Measurement Systems GmbH Austria 
 RSC Mining & Mineral Exploration Australia 
 Shaft Drillers International United States 
 Shell Lubricants United States 
 SKELLY and LOY Inc. United States 
 SKF USA Inc United States 
 SPH Engineering Latvia 
 Stantec Canada 
 The Coring Company AS Norway 
 Turnkey Processing Solutions United States 
 Wingtra AG Switzerland