- Coopers & Lybrand de Argentina |
- Coopers & Lybrand
- de Estados Unidos |
| - Arthur Andersen de Argentina |
- Andersen Consulting de España |
| - Andersen Consulting de Argentina |
- Andersen Consulting de Venezuela |
- Mc Kinsey de Argentina |
|
| - Ibersis de Uruguay |
- Ibersis de España |
| - The Gallup Organization |
- Hartneck López y Cia |
| - TRT Transporti e Territorio |
- Marcial Echenique & partners Ltd. |
| - Multisystems |
- Halcrow Fox
- (The Halcrow Group) |
| - Rogge Marine Consulting GMBH |
- Marsh and Mclennan Companys |
| - Mercer Management Consulting |
- William Mercer |
| - IDC de Guatemala |
- KPMG Consultores |
| - National Economic Research Asociates Inc. |
- Microcomp |
| - Becher Lichtenstein & As. - BDO |
- United Aerial Maping
- de Estados Unidos |
| - LECG |
- Morgan Benedit & Asoc |
| - Mc Lean Technology Group |
- Julio Aurelio - ARESCO |
| - Grant Thornton Argentina |
- M&S Consultores |
| - SIPRON Consultores |
- ASE Morrison S.C. Consultores |
| - C&G Consultores S.L. de España |
- Tekhne S.A. |
| - Sidepro S.A. |
- Fundación Creer y Crecer |