Package: iscsi-initiator-utils

"iscsi-initiator-utils" package binaries on CentOS:

/sbin/brcm_iscsiuio /sbin/iscsiadm /sbin/iscsid /sbin/iscsi-iname /sbin/iscsistart /sbin/iscsiuio

You may install this package on CentOS with yum install iscsi-initiator-utils