EXHIBIT 21 EXHIBIT 21 (subsidiaries of CompUSA Inc.) 1. CompTeam Inc., a Delaware corporation 2. CompUSA Holdings II Inc., a Delaware corporation 3. PCs Compleat, Inc., a Delaware corporation 4. CompUSA Holdings I Inc., a Delaware corporation 5. CompUSA Management Company, a Delaware business trust 6. CompUSA Stores L.P., a Texas limited partnership 7. CompUSA Holdings Company, a Delaware business trust