This is the list of the largest public listed companies in the Oil & Gas Refining & Marketing industry from Ireland by market capitalization with links to their reference stock.
| Rank | Company | Market Cap (USD) | Country | Sector | Industry | 
|---|---|---|---|---|---|
| 1 | DCC plc | $6.56 B | Ireland | Irish Energy | Irish Oil & Gas Refining & Marketing | 
                                Company Profile:
                                
                                    DCC plc
                                
                            
                            
                                Market Cap (USD):
                                
                                    
                                        $6.56 B
                                    
                                
                                
                            
                            
                                    Country:
                                    
                                        Ireland
                                    
                                
                                    Sector:
                                    
                                        Irish Energy
                                    
                                
                                    Industry:
                                    
                                        Irish Oil & Gas Refining & Marketing