National companies are the national registeredcompanies, i.e the registration documents and there main location for the company are in the same country.
multinational corporation, business enterprise with manufacturing, sales, or service subsidiaries in one or more foreign countries, also known as a transnational or international corporation. These...
Sentry insurance is national. It may not be available in every state but it is available in most states. It does come down to where you live and how much you can afford.