Realty Income (NYSE: O ) is a well-known retail real estate investment trust ("REIT") that most income investors are going to be well familiar with. Mainly, they are focused on retail locations, but as they've grown, they've started to explore different industries. ThatInterested in more income ideas? Check out Cash Builder Opportunities, where we provide ideas about high-quality and reliable dividend growth ideas. These investments are designed to build growing income for investors. A special focus on inve ...