Iterator orgIter = orgs.iterator();
while (orgIter.hasNext()) {
    Organization org = (Organization) orgIter.next();
    Collection services = org.getServices();
    Iterator svcIter = services.iterator();
    while (svcIter.hasNext()) {
        Service svc = (Service) svcIter.next();
        Collection serviceBindings = 
            svc.getServiceBindings();
        Iterator sbIter = serviceBindings.iterator();
        while (sbIter.hasNext()) {
            ServiceBinding sb = 
                (ServiceBinding) sbIter.next();
        }
    }
}