| INFRASONICS CORPORATION | K82810 | INACT | 
                    
                        | INFRASONIC STUDIOS LIMITED LIABILITY COMPANY | L14000163202 | INACT | 
                    
                        | INFRASOUND RADIO, LLC | L14000024200 | NAME HS | 
                    
                        | INFRASOURCE, LLC | M06000006762 | NAME HS | 
                    
                        | INFRASOURCE, INC. | P01000120948 | INACT | 
                    
                        | INFRASOURCE CONCRETE & PAVING SERVICES, LLC | M04000002809 | INACT | 
                    
                        | INFRASOURCE CONSTRUCTION, LLC | M05000000811 | Active | 
                    
                        | INFRASOURCE CONSTRUCTION SERVICES, LLC | M05000001687 | NAME HS | 
                    
                        | INFRASOURCE DACON, LLC | M06000000150 | NAME HS | 
                    
                        | INFRASOURCE DASHIELL, LLC | M06000005256 | INACT | 
                    
                        | INFRASOURCE DASHIELL, LLC | M07000005971 | NAME HS | 
                    
                        | INFRASOURCE ELECTRIC, LLC | M22000009555 | Active | 
                    
                        | INFRASOURCE ENGINEERING COMPANY | F07000002462 | NAME HS | 
                    
                        | INFRASOURCE INTEGRATED SERVICES, INC. | F00000005288 | INACT | 
                    
                        | INFRASOURCE-MASLONKA, LLC | M06000002797 | INACT | 
                    
                        | INFRASOURCE PIPELINE CONSTRUCTION, LLC | M21000015461 | NAME HS | 
                    
                        | INFRASOURCE PIPELINE FACILITIES, INC. | F02000001357 | NAME HS | 
                    
                        | INFRASOURCE POWER, LLC | M06000002786 | INACT | 
                    
                        | INFRASOURCE TELCOM, INC. | P02000015379 | NAME HS | 
                    
                        | INFRASOURCE TELECOMMUNICATION SERVICES, LLC | M10000003051 | NAME HS |