| OPTI-TEC, INC. | 
                        K34982 | 
                        INACT | 
                    
                    
                        | OPTITEC CORP | 
                        P07000097207 | 
                        INACT | 
                    
                    
                        | OPTI-TECH, L.L.C. | 
                        M98000000680 | 
                        INACT | 
                    
                    
                        | OPTI-TECH CORPORATION | 
                        P96000051129 | 
                        INACT | 
                    
                    
                        | OPTI-TECH, INC. | 
                        S51924 | 
                        INACT | 
                    
                    
                        | OPTITECH ANALYTICS INC. | 
                        P23000067914 | 
                        Active | 
                    
                    
                        | OPTITECH INNOVATION LLC | 
                        L25000126599 | 
                        Active | 
                    
                    
                        | OPTITECH NETWORKS LLC | 
                        L24000404976 | 
                        INACT/UA | 
                    
                    
                        | OPTI-TECHS, LLC | 
                        L10000000371 | 
                        INACT | 
                    
                    
                        | OPTITECH SOLUTIONS LLC | 
                        L24000493582 | 
                        INACT/UA | 
                    
                    
                        | OPTI TECH SUPPORT INC | 
                        P14000077472 | 
                        INACT | 
                    
                    
                        | OPTITECH OF TAMPA INC. | 
                        P13000026824 | 
                        INACT | 
                    
                    
                        | OPTITECH USA LLC | 
                        L13000152857 | 
                        INACT/UA | 
                    
                    
                        | OPTITEC PRO LLC | 
                        L23000032705 | 
                        INACT | 
                    
                    
                        | OPTITEK, INC. | 
                        F05000004945 | 
                        INACT | 
                    
                    
                        | OPTITEK SOLUTIONS LLC | 
                        L15000007747 | 
                        INACT | 
                    
                    
                        | OPTITEK SOLUTIONS, LLC. | 
                        L23000380270 | 
                        Active | 
                    
                    
                        | OPTI TEL, INC. | 
                        P93000066924 | 
                        INACT | 
                    
                    
                        | OPTITEL COMMUNICATIONS INC. | 
                        P97000070271 | 
                        INACT | 
                    
                    
                        | OPTITEMP AIR CONDITIONING & REFRIGERATION, INC. | 
                        P14000099176 | 
                        Active |