| DRILL SUPPLY USA, LLC | L20000314930 | Active | 
                    
                        | DRILL SUPPLY USA, LLC | W20000115513 | Active | 
                    
                        | DRILL SUPPLY USA, LLC | W20000117004 | Active | 
                    
                        | THE DRILL TEAM, INC. | J17746 | INACT | 
                    
                        | THE DRILL TEAM, LLC | L12000102473 | INACT | 
                    
                        | DRILL TEAM, LLC | L20000296420 | INACT | 
                    
                        | DRILL TEAM ATTENTION INC. | P25000044963 | Active | 
                    
                        | DRILLTEC, LLC. | L23000524036 | Active | 
                    
                        | DRILLTECH LLC | L15000169884 | INACT | 
                    
                        | DRILLTECH, INC. | P00000113082 | INACT | 
                    
                        | DRILL TECH & CONSTRUCTION, INC. | P10000020874 | INACT | 
                    
                        | DRILLTECH DRILLING, LLC | L13000094524 | InActive | 
                    
                        | DRILLTECH DRILLING SERVICES, LLC | L06000085457 | INACT | 
                    
                        | DRILL-TEK CONSTRUCTION LLC | L22000513841 | Active | 
                    
                        | DRILL TENNIS INTERNATIONAL INC. | J43577 | INACT | 
                    
                        | DRILL-TEX, INC. | J42136 | INACT | 
                    
                        | DRILLTEX OF FLORIDA, INC. | P01000016555 | INACT | 
                    
                        | DRILL TIE | T04000001038 | Active | 
                    
                        | DRILL TIE SYSTEMS, INC. | P95000016888 | Active | 
                    
                        | DRILL TIE SYSTEMS AND DESIGN OF DRILL TIE | T04000001037 | Active |