Morningstar. Morningstar has some of the most comprehensive and clean financial information on the web. They also have a powerful equity screening tool and excellent analyst commentary on a wide breadth of securities.
US Dividend Champions by Dave Fish. This is an excellent resource for dividend focused investors. In order to become a US Dividend Champion, a company has to pay and raise a dividend every year for at least 25 years! This is no simple feat for any business and as a result, businesses on this list tend to have lasting competitive advantages due to unique assets that have allowed them to stand the test of time.
CDN Dividend All-Stars by Dividend Growth Investing & Retirement. This is the Canadian equivalent to the US Dividend Champions list. There are many great Canadian stocks to buy and hold, some of which have been in business and paying a dividend for over 100 years.