Pork does not have to directly be government money given to an entity. That is the easiest and most direct way to do it. Another form of pork is to have laws changed or created that benefit one person. A perfect example of this is this USA Today story:
Ohio Dem: Repeal ban on melting coins
Here a Congressman wants to have the law banning melting pennies overturned. This will help one company in his district.