List of
SPACE AGENCIES

NASA (loads of good stuff)

European Space Agency (ESA)

RUSSIAN SPACE AGENCY ( used to be www.rka.ru ) see also roscosmos

see also their new site Russian Space Agency (ROSAVIAKOSMOS)

Austrian Space Agency (ASA)

British National Space Center (BNSC)

Brazilian Space Agency (INPE)

Canadian Space Agency (CSA)

Centre National D’Etudes Spatiales (CNES, France)

China National Space Administration (CNSA)

Comisión Nacional de Actividades Espaciales (CONAE, Argentina)

Czech Space Office

Danish National Space Center (DNSC)

Deutschen Zentrum für Luft- und Raumfahrt (DLR, Germany)

Italian Space Agency (ASI)

Indian Space Research Organisation (ISRO)

Instituto Nacional de Tecnica Aeroespacial (INTA, Spain)

Japan Aerospace Exploration Agency (JAXA)

Israel Space Agency

National Aeronautics and Space Administration (NASA)

Netherlands Agency for Aerospace Programmes (NIVR)

Norwegian Space Centre

Polish Space Research Centre

Romanian Space Agency (ROSA)

Space Office of Hungary (Magyar Urkutatási Iroda)

Swedish National Space Board (SNSB)

Swiss Space Office (SSO)

United Nations Office for Outer Space Affairs ( OOSA )

European Union - European Space Policy Unit

PESCU - we are more aspiring to become a space agency than actively doing space research at this time.

and many others

There are also a set of space technology companies, including:

Starchaser

Sea Launch

ArianeSpace