Realty Income is a passive income-generating machine. It pays a monthly dividend that it has increased for more than 25 straight years, qualifying it as a Dividend Aristocrat. Overall, it has given investors a raise 114 times since its IPO, including in the last 97 consecutive quarters, growing the dividend at a 4.5% compound annual rate. The retail REIT owns a diversified portfolio of essential retail buildings (e.g., grocery, home improvement, and convenience stores) and industrial properties. It also has a top-notch balance sheet.