What OS are you on?
In ubuntu you use updaterc.d to disable/enable startup stuff.
apache, tftp-hpa, vsftpd, nfs-kernel-server, nfs-common, portmap/rpcbind, FOGImageReplicator, FOGMulticastManager, FOGScheduler, mysql
In redhat types you use chkconfig <servicename> off
httpd, xinetd, vsftpd, nfs, rpcbind, mysqld, FOGImageReplicator, FOGMulticastManager, FOGScheduler