Sociedades de clasificación

Nippon Kaiji Kyokai
Der Norske Veritas
Germannischer Lloyd
RINA (Registre Italiano Navale)
International Shipping register in Madeira

Asociaciones comerciales

American Society of Naval Engineers
American Association of Port Authorities
American Warehouse Association
ANAVE, Asociación de Navieros Españoles
The Baltic Exchange
Baltic International Maritime Council
Canadian Institute of Marine Engineering
Canadian Port and Harbour Association
The Chamber of Shipping
Connecticut Maritime Association
Intermodal Association of North America
International Association of Ports Harbors
The International Bunker Industry Association Ltd
IADC - International Association of Drilling Contractors
Int´l Assoc of Marine Economists (Ports Logistics)
International Association of Refrigerated Warehouses
International Telecommunications Union (ITU)
The Jones Act Reform Coalition
Lake Carriers´ Association
Maritime Association of New York/New Jersey
National Customs Brokers Forwarders Association
Norwegian Shipowners Association
Society of Naval Architects and Marine Engineers
Swedish Ports and Stevedores Association
United States Naval Institute
BIFA
IBIA
Multiport Ship Agencies Network
International Ship Suppliers Association
International Association of Dry Cargo Shipowners
Asociación Española de Ingenieros Navales e Ingenieros Marítimos