 | DMT | Germany | |
 | H + E Logistik | Germany | |
| 300CC Asia Pacific Ltd | Hong Kong | ||
| Agapito Associates | United States | ||
| Aker Kvaerner | United States | ||
| Aker Solutions Australia Pty Ltd | Australia | ||
| ALTA Metallurgical Services | Australia | ||
| AMCO Amalgamated Construction | United Kingdom | ||
| AMEC Americas Ltd | Canada | ||
| AMEC Earth & Environmental Inc. | Canada | ||
| Appalachian Mining & Engineering Inc. | United States | ||
| ASEAMCO Pty Ltd | Australia | ||
| Aspen Technology Inc | United States | ||
| Aventure Infraspace Ltd | India | ||
| Babcock International Group | United Kingdom | ||
| Balmert Consulting | United States | ||
| BBE | South Africa | ||
| Behre Dolbear & Company Inc. | United States | ||
| Bergteamet AB | Sweden | ||
| Big Iron Consulting | Australia | ||
| BMT WBM Denver | United States | ||
| BMT WBM Engineering | Canada | ||
| Boyce, Graybeal, Sayre, Inc | United States | ||
| CASPEO | France | ||
| Catapult Strategy | Canada | ||
| CGT Heavy Equipment Ltd. | Canada | ||
| CH2M Hill Inc. | United States | ||
| Coal Services Pty Limited | Australia | ||
| Corzan Industrial Systems | United States | ||
| CQ Inc | United States | ||
| Cultural Resource Analysts Inc | United States | ||
| Currie & Brown | Australia | ||
| Cyclotec Oy | Finland | ||
| Dassault Systèmes | France | ||
| DAXCON Engineering Inc. | United States | ||
| Deep Sea Electronics | United Kingdom | ||
| Dezide ApS | Denmark | ||
| E.T. Kilbourne & Associates Inc. | United States | ||
| EBA Engineering Consultants Ltd | Canada | ||
| ELKAT S.A. | Greece | ||
| Elmer Burns McMillan Consulting Ltd | Hong Kong | ||
| EMAG | Poland | ||
| EUROGOMMA | Italy | ||
| First National Asset Management | Australia | ||
| FTI Consulting | United Kingdom | ||
| G.L. Tiley & Associates Ltd. | Canada | ||
| George Forest International | Belgium | ||
| Golder Associates | Canada | ||
| Goodz & Associates GMC Pty Ltd | Australia | ||
| Grosvenor Engineering Co | United States | ||
| Hall Construction | United Kingdom | ||
| Heavy Structures | United States | ||
| Hi Tech PMR | United States | ||
| Hunosa | Spain | ||
| IMC-SRG Consulting (P) Ltd | India | ||
| Independent Mining Consultants Inc | United States | ||
| International Blasting Consultants Ltd. | Canada | ||
| J.S. Redpath Ltd | Canada | ||
| Jenike & Johanson | United States | ||
| Kamalco | Canada | ||
| Kinder Morgan Bulk Terminals Inc | United States | ||
| Knight Pi | United States | ||
| Lincoln Contracting & Equipment | United States | ||
| LMS Group | United Kingdom | ||
| LOESCHE | Germany | ||
| Lyntek Incorporated | United States | ||
| Maelgwyn Mineral Services Limited | United Kingdom | ||
| Marshall Miller & Associates | United States | ||
| Marston | United States | ||
| Marston Canada Ltd | Canada | ||
| Marston International Pty. Ltd. | Australia | ||
| Massey Technical Services LLC | United States | ||
| Master Builder Solutions | Germany | ||
| McIntosh Engineering | United States | ||
| Meyvn Consulting LTD | United States | ||
| MineSeal LLC | United States | ||
| Mining TAG | Chile | ||
| Modular Mining Systems Inc | United States | ||
| Mroy International Inc. | Canada | ||
| MWH (Montgomery Watson Harza) | United States | ||
| Nalco Company | United States | ||
| Northwest Mining Association | United States | ||
| Oy Cyclotec Ltd | Finland | ||
| Philippi-Hagenbuch Inc | United States | ||
| Pincock Allen & Holt (PAH) | United States | ||
| Pioneer Solutions LLC | United States | ||
| Polydeck Screen Corporation | United States | ||
| Precision Performance Castings | New Zealand | ||
| Process Manufacturing Inc. | Canada | ||
| Pronto Solutions Alliance Inc. | Canada | ||
| Proquemino | China | ||
| PT. Siko Techno | Indonesia | ||
| Quality Process Solutions | Australia | ||
| Quorum Business Solutions Inc. | United States | ||
| Raw Materials Group | Sweden | ||
| Reliability Center Inc. | United States | ||
| Remote Control Technologies | Australia | ||
| Roberts & Schaefer Co | United States | ||
| RWE Technology International | Germany | ||
| Shell Lubricants | United States | ||
| SKELLY and LOY Inc. | United States | ||
| SNC-Lavalin Engineers & Constructors Inc. | Canada | ||
| SOFREMINES SAS | France | ||
| Specialized Career Search Inc. | United States | ||
| SRK Consulting | Canada | ||
| SRK Consulting (UK) Limited | United Kingdom | ||
| Steffanutti & Bressan Civils Pty Ltd | South Africa | ||
| Subsoil Technologies | South Africa | ||
| Swann | United Kingdom | ||
| Talpa Solutions GmbH | Germany | ||
| Techbase International | United States | ||
| Teton Buildings | United States | ||
| The Aladon Network | United States | ||
| The Clark Testing Group | United States | ||
| The Geological Society of London | United Kingdom | ||
| The Mackwood Group of Companies Ltd. | Canada | ||
| Thiess | Australia | ||
| University of Arizona - Online Engineering | United States | ||
| URS Corporation Washington Division | United States | ||
| USC Consulting Group LLC | United States | ||
| Uuliin Bilig | Mongolia | ||
| Valuation and Assets Services | United States | ||
| VP Buildings Inc. | United States | ||
| Watts Griffis and McOuat Ltd | Canada | ||
| Wendel Solutions | United States | ||
| WESCO Distribution | United States | ||
| Wiley Consulting LLC | United States | ||
| William W. Meyer & Sons Inc. | United States | ||
| Williams Advanced Engineering | United Kingdom | ||
| WSP | Canada |
