The International Space Station(ISS) is the first station or man spacecraft interested in space that was a tourist, the tour price was 20 million U.S. dollars and the visitor's name was Denis Tito U.S. citizen"
The countries that are providing technology infrastructure either as in the "know how" is 16; here are the relationships of these with links to relevant space agencies:
USA - NASA
United States has the responsibility for development and execution of major operations and systems on board. The U.S. elements include three connecting modules or nodes, a laboratory module, four solar panels, a module room, three adapters, a dome, a centrifugal depressurized module for parts logistics. The systems developed by the U.S. include thermal control, life support, guidance navigation and control, data handling, power systems, communications, facilities operations processing facilities for takeoff.
Canada – CSA
Canada is providing a robotic arm 55 feet in length for use in assembly and maintenance tasks on the Space Station.
European Space Agency - (11 countries)
ESA (Acronyms in Castilian) is responsible for building a pressurized laboratory to be launched into space on Ariane5.
Members Participants at the ESA (European Space Agency)
Denmark - DSRI
France - CNES (French)
Germany - DLR
Italy - ASI
Norway - NSC
Spain - INTA
Sweden - SNSB
Japan - NASDA
Japan is building a laboratory with an exterior platform for experiments and transport vehicles.
Russia - Rosaviakosmos
Russia provides two research modules: the service module with its own systems of life support and habitability and energy scavenging platform comprising solar panels that can provide about 20 kilowatts of electrical energy. It also provides transportation and logistical elements of the Soyuz spacecraft for different missions mobilization. Brazil - INPE Brazil is providing equipment to the station through agreements with U.S.