Many countries / regions have their own PPP database or there are specialised regional PPP webpages.
Australia:
IPFA
Canada:
PPP Council
Europe:
CREAM EuroPPP (Mainly Eastern Europe)
India:
PPP India
PPP India Database
Ireland
Irish Government PPP
Israel:
PPPs in Israel
Germany:
PPP-Platform
Switzerland:
PPP Schweiz
UK:
Partnerships UK
PPP Forum