The Internet is simply a network of networks. The Internet is not a single company or a group of companies, nor even a single network. The Internet is different from other major services.
Electricity tends to be provided by a single company in each geographical area.
The local telephone service to the customer is usually owned by a single company. But there is more than one Internet provider in any locale, and there are usually many paths from a local provider in one area to a provider in another area. All these access methods are on ramps to the information superhighway. In order to transmit text or pictures, your data is chopped up into small packets which are routed through the Internet. This local ISP is a possible point of failure.