Trigger Firing Order

Hi,

Is it possible for me to define the order in which triggers will be fired? 

So far what I have understood from PostgreSQL documentation, in order to fire 2 triggers in sequence (say trigger1 and trigger2) on a table, I need to name them in that way. 

But with certain packaged products who create their own triggers, I won't have control over this. Also, this could be an issue for me if I write business logic in triggers. 

Any better way known to work in PostgreSQL?