If you cannot get business owners to city council meetings to speak out in your favor, ask them to write letters of support. At the very least ask them to sign a petition reserved only for businesses and professionals. Whenever your organization needs something, identify businesses that can best address that need. Then, just walk right in, explain why you are there, what you are out to accomplish and what you need from the business. This simple approach rarely fails to get skatepark committees free typesetting, printing, tools, construction materials and all sorts of other goods and services.
Most cities have ordinances against skateboarding in certain or all areas of the city.
Of course, it is the duty of the police to enforce those ordinances. All jokes aside, the police really do have better things to do than write tickets and confiscate skateboards because of a city code. However, until laws change or more skateparks are built, it will remain the job of law enforcement to stop individuals from skateboarding wherever it is prohibited. If you can get a few law enforcement officials on the side of the skatepark committee your efforts to build a skatepark will go much easier. In many instances the chief of police, or another representative from law enforcement regularly reports to the city council.