Crown Corporations are government-owned companies in Canada that operate in various sectors, such as transportation, energy, and finance. They are created to provide services that may not be adequately offered by the private sector, ensuring public access and accountability. These corporations are funded by the government but operate with a degree of independence, allowing them to make business decisions while still serving the public interest. Examples include Canada Post and CBC/Radio-Canada, which play essential roles in communication and postal services across the country.