Some of the top tablet brands as of 2015 include Apple, Asus, Samsung, Google and Microsoft. Apple's tablets include the iPad and iPad Air and use the iOS operating system, while Microsoft's Surface tablets use the company's Windows operating system. Most other tablets run on Google's Android OS.
Apple remains the most popular manufacturer of tablets with its iPad line and the oversized iPhone 6 Plus phone, which is part of the "phablet" category that bridges tablets and phones. Samsung is the second-largest brand worldwide among tablet manufacturers and produces many products under the Galaxy line similar to Apple's offerings.