| U.S. TELEPHONICA, CORP. | 
                        P00000072599 | 
                        INACT | 
                    
                    
                        | U.S. TELEQUIP, INC. | 
                        M47175 | 
                        INACT | 
                    
                    
                        | US TELERADIOLOGY, L.L.C. | 
                        M10000001090 | 
                        INACT | 
                    
                    
                        | U.S. TELESEARCH, INC. | 
                        S36659 | 
                        INACT | 
                    
                    
                        | US TELESIS, INC. | 
                        F03000005827 | 
                        INACT | 
                    
                    
                        | U.S. TELESIS, INC. | 
                        F99000002995 | 
                        INACT | 
                    
                    
                        | U.S. TELESYS, LIMITED PARTNERSHIP | 
                        B95000000393 | 
                        INACT | 
                    
                    
                        | U.S. TELESYS, L.P. | 
                        B95000000393 | 
                        CROSS RF | 
                    
                    
                        | U.S. TELESYS GP, INC. | 
                        F95000005417 | 
                        INACT | 
                    
                    
                        | U.S. TELESYSTEMS, INC. | 
                        P92000013019 | 
                        INACT | 
                    
                    
                        | US TELESYSTEMS, INC. | 
                        P99000056394 | 
                        Active | 
                    
                    
                        | US TELETECHS LLC | 
                        L04000068619 | 
                        INACT | 
                    
                    
                        | U.S. TELEWORKS, INC. | 
                        S63658 | 
                        INACT | 
                    
                    
                        | U. S. TELMAR, INC. | 
                        J35424 | 
                        INACT | 
                    
                    
                        | US-TELS, INC. | 
                        P98000089484 | 
                        INACT | 
                    
                    
                        | US TELSAT INC | 
                        P18000100917 | 
                        INACT | 
                    
                    
                        | U.S. TEL-SERV CORPORATION | 
                        556395 | 
                        NAME HS | 
                    
                    
                        | US TELSOLUTIONS INC. | 
                        P96000014608 | 
                        INACT | 
                    
                    
                        | USTELWEB INCORPORATED | 
                        F00000007192 | 
                        INACT | 
                    
                    
                        | U.S. TEMPCO, LTD., INC. | 
                        G75497 | 
                        INACT |