To get list of all services (which are not device drivers) use static method ServiceController.GetServices (to get list of driver services use method ServiceController.GetDevices). ServiceController[] services = ServiceController.GetServices();
Check whether a service is installed: public static bool IsServiceInstalled(string serviceName)
{
// get list of Windows services
ServiceController[] services = ServiceController.GetServices();
// try to find service name
foreach (ServiceController service in services)
{
if (service.ServiceName == serviceName)
return true;
}
return false;
}