A broad spectrum can be constituted-of-or-filled-with financial institutions.
A broad spectrum can be constituted-of-or-filled-with speech.
A broad spectrum can be constituted-of-or-filled-with parents.
A spectrum can be constituted-of-or-filled-with (computer applications).
A broad spectrum can be constituted-of-or-filled-with (research problems).
A broad spectrum can be constituted-of-or-filled-with (research disciplines).