[RunInstaller(true)]
    public partial class MyServiceInstaller : Installer
    {
        private ServiceInstaller serviceInstaller;
        private ServiceProcessInstaller processInstaller;

        public MyServiceInstaller()
        {
            InitializeComponent();
            // Instantiate installers for process and services.
            processInstaller = new ServiceProcessInstaller();
            serviceInstaller = new ServiceInstaller();

            // The services run under the system account.
            processInstaller.Account = ServiceAccount.User;

            // The services are started manually.
            serviceInstaller.StartType = ServiceStartMode.Automatic;

            // ServiceName must equal those on ServiceBase derived classes.            
            serviceInstaller.ServiceName = "MyServiceName";
            serviceInstaller.DisplayName = "MyServiceName";
            serviceInstaller.Description = "MyService Description";

            // Add installers to collection. Order is not important.
            Installers.Add(serviceInstaller);
            Installers.Add(processInstaller);
        }
    }

C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe bin\Debug\MyService.exe