The largest city in the province of Alberta, Calgary benefits from the natural beauty of the Rocky Mountains, together with a vibrant, resource-based economy and a diverse, well-educated population. With a world-class airport, freight rail service and extensive highway network, Calgary is a hub of industrial activity, especially in the energy sector. Providing services to a population of 1.2 million is a $1.5 billion annual business for The City of Calgary, which contracts thousands of local, national and international suppliers each year to keep more than 500 lines of business operating smoothly.