Who can apply?
Participation in FP7 is open to a wide range of organisations and individuals:
Research groups at universities or research institutes.

Companies intending to innovate.

Small or medium-sized enterprises (SMEs).

SME associations or groupings.

Public or governmental administration (local, regional or national).

Early-stage researchers (postgraduate students).

Experienced researchers.

Institutions running research infrastructures of trans-national interest.

Organisations and researchers from third countries.

International organisations.

Civil society organisations.
The above list is only indicative, not exhaustive. Different participation rules apply, depending on the research initiative in question.
As a general principle, FP7 is open to participation from any country in the world. The procedures for participation and funding possibilities vary for different groups of countries.