EXHIBIT 21.1 SUBSIDIARIES OF FLOW INTERNATIONAL CORPORATION State or other Jurisdiction of Subsidiary Incorporation or Organization ---------- ------------------------------ Rampart Waterblast, Inc. Florida Spider Staging Corporation Washington Spider Staging Corporation British Columbia Flow International Sales Corporation Guam Flow Europe, GmbH Germany Flow Asia Corporation Taiwan Flow Holdings, N.V. Belgium Power Climber, N.V. Belgium Power Climber, Inc. California Astro Hoist, Inc. California Scaffold Climber, Inc. California Suspended Scaffold Systems, Inc. California Power Operated Staging, Inc. California Flow Japan Japan CEM-FLOW France Dynovation, Inc. Ontario