| PROTON SYSTEMS, LLC | L10000090030 | Active | 
                    
                        | PROTON TECHNICAL WRITING, LLC | L17000144771 | INACT | 
                    
                        | PROTON TECHNOLOGIES INC. | F17000000792 | Active | 
                    
                        | PROTON TECHNOLOGY DEVELOPMENT CORPORATION | F97000002206 | INACT | 
                    
                        | PROTON TGS LLC | L24000506224 | Active | 
                    
                        | PROTON THERAPY | W20000034279 | Active | 
                    
                        | PROTON THERAPY CORPORATION OF AMERICA, INC. | F03000000604 | NAME HS | 
                    
                        | PROTON THERAPY CONSORTIUM, A NON-PROFIT CORPORATION | F20000001663 | Active | 
                    
                        | PROTON THERAPY PHYSICIAN SERVICES, INC. | F97000002205 | INACT | 
                    
                        | PROTON TRADING SOLUTIONS LLC | L21000427539 | INACT/UA | 
                    
                        | PROTON TRANSMISSION, LLC | L25000129777 | Active | 
                    
                        | PROTON UNDERGROUND, INC | P19000074769 | INACT | 
                    
                        | PROTON USA, CORP. | P99000090678 | Active | 
                    
                        | PROTON VENTURE CPG, LLC | L18000236447 | Active | 
                    
                        | PROTON VENTURE FINANCE IV LLC | L17000141334 | Active | 
                    
                        | PROTON VENTURE FINANCE V, LLC | L17000223395 | INACT | 
                    
                        | PROTON VENTURES INTERNATIONAL LLC | L17000149816 | INACT | 
                    
                        | PROTON VIRTUAL SOLUTIONS LLC | L22000475167 | INACT | 
                    
                        | PRO TOOL & EQUIPMENT CO. | P00000009029 | INACT | 
                    
                        | PRO TOOL FASTENERS & ACCESSORIES LLC | L08000002682 | INACT |