Introducing the ServiceMaster of Greater Pittsburgh Mobile App. When disaster strikes, you want immediate Response, Resources and Results! The ServiceMaster of Greater Pittsburgh Mobile App does that and much more. The ServiceMaster of Greater Pittsburgh Mobile App is loaded with the tools to give you instant access to and response from ServiceMaster emergency services, contacts, tips and information of ServiceMaster services. The ServiceMaster of Greater Pittsburgh Mobile App can provide you with event warnings and alerts (weather, fire, flooding, etc.) to help you protect from a loss.