Exhibit 21 Subsidiaries of Vertex Interactive, Inc. State or Country of Subsidiary Incorporation ---------- ------------------ Communication Services International, Inc. California, USA Data Control Systems, Inc. New Jersey, USA ICS International AG Germany ICS France S.A. France ICS-Vertex Interactive Benelux BV The Netherlands Positive Developments, Inc. California, USA Renaissance Software, Inc. Delaware, USA Societa Italiana Servizi-Italservice s.r.l. Italy Vertex Interactive (UK), Ltd United Kingdom Vertex Interactive (Ireland) Ltd Ireland Vertex Interactive Italia s.r.l. Italy