| NOV Tuboscope | UAE |
| Fugro – McCleland Ltd | UK |
| Representative of Underwriters Laboratories in Kuwait. | USA |
| Newtech consulting & Engineering GMBH | Germany |
| Inspectrote (Suiss) S.A. | Switzerland |
| Geotechnical Instruments Ltd | UK |
| Inspectorate (Holland) B.V. | Netherlands |
| R.P.T. OIL S.R.L. | Romania |
| UNIHORN B.V. (Ad-hoc) – Pavement Consulting Engineers | Netherlands |
| MAUNSELL CONSULTANT ASIA LTD., AECOM (Ad-hoc) – Geotechnical Specialist | Hong Kong |
| International Consolidated Insp. Services | Germany |
| Kayell Assoicates | UK |
| M/s. SERGE LEPINE | France |
| M/s. Q.A. Management Services Pty. Ltd. | Australia |
| M/s. In-Spec. Kobe Limited | Japan |
| M/s. Rintercontrols Q.E. | Italy |
| M/s. CCIC SHANGHAI | China |
| M/s. Bureau of Standards. | South Africa |
| M/s. Geecy Industrial Services Pvt. Ltd | India |
| M/s. Superintendence Co. of India (P) Ltd. | India |
