Smartphone and media tablet use in the enterprise is growing at a breakneck pace. Growth is driven not only by increased business acquisition, but also by employees who have purchased a smartphone or media tablet and seek to connect it to the corporate network. In this environment, enterprise-grade mobility management services are needed to remotely configure device features, provision apps and services, monitor and control devices use across networks and applications, secure device features, apps, and connections, and address all these requirements across several device OS platforms while also controlling total mobile services costs. This report examines the complex set of technical, market, and supply side factors driving the market and provides analysis for both current conditions and factors driving market evolution. The supplier market is examined in depth across seven different supplier segments and by individual company. Holistic qualitative analysis is supported by extensive quantitative analysis for enterprise mobility management subscribers segmented by delivery channel, size of business, device type, platform type, and for corporate liable and individual liable employees. Separate forecasts are provided for telecom expense management subscribers and revenues.