Realty Income Corporation | 19,909 followers on LinkedIn. Realty Income, The Monthly Dividend Company®, is an S&P 500 company and member of the S&P 500 Dividend Aristocrats® index. We invest in people and places to deliver dependable monthly dividends that increase over time. The company is structured as a real estate investment trust ("REIT"), and its monthly dividends are supported by the cash flow from over 15,500 real estate properties primarily owned under long-term net lease agreements with commercial clients.