| Marmedsa |
BP |
| Asoc. Navieros Españoles |
ELF |
| International Maritime Organization |
TOTAL |
| Hamilton y Cia |
MOBIL |
| Informare |
TEXACO |
| Ocean Press |
Marítima del Estrecho, S.A. |
| Marine Link |
PETROBRAS |
| Safe Navigation |
Vapores Suardíaz |
| Conoship International |
Agencia Marítima Punta Europa, S. A. |
| Lloyd's Register Quality Assurance |
Agencia Marítima Román Sierra, S. L. |
| Bureau Veritas Quality International |
Algeciras Puerto Import-Export S. L. |
| Det Norske Veritas |
Grupo Boluda |
| Marine Medical Systems |
Transmediterranea |
| Portel (Comunidad Portuaria) |
Fred Olsen, S. A. |
| Boletín Mensual Puertos del Estado |
Mediterranean Shipping Co. |
| C.E.D.E.X. |
Bergé Marítima, S. A. |
| Puertos del Estado |
Teekay Corporation |
| Salvamento Marítimo |
Ugland Marine Services A.S. |
| Instituto Social de la Marina (ISM) |
Great Circle Shipping Agency, LTD |
| Instituto Nacional de Meteorología |
Novoship (U.K.), LTD |
| Autoridad Portuaria Tenerife |
REPSOL |
| CEPSA |
Naviera Petrogas |
