This is the list of the largest public listed companies in the Oil & Gas E&P industry from Sweden by market capitalization with links to their reference stock.
| Rank | Company | Market Cap (USD) | Country | Sector | Industry | 
|---|---|---|---|---|---|
| 1 | Tethys Oil AB | $272.3 M (Aug. 1, 2022) | Sweden | Swedish Energy | Swedish Oil & Gas E&P | 
| 2 | Lundin Energy AB | $234.5 M | Sweden | Swedish Energy | Swedish Oil & Gas E&P | 
| 3 | Maha Energy AB | $142.6 M | Sweden | Swedish Energy | Swedish Oil & Gas E&P | 
| 4 | Crown Energy AB | $15.7 M (July 1, 2025) | Sweden | Swedish Energy | Swedish Oil & Gas E&P | 
| 5 | Petrotarg AB | Sweden | Swedish Energy | Swedish Oil & Gas E&P | 
                                Company Profile:
                                
                                    Tethys Oil AB 
                                
                            
                            
                                Market Cap (USD):
                                
                                    $272.3 M
                                    (Aug. 1, 2022)
                                
                                
                            
                            
                                    Country:
                                    
                                        Sweden
                                    
                                
                                    Sector:
                                    
                                        Swedish Energy
                                    
                                
                                    Industry:
                                    
                                        Swedish Oil & Gas E&P
                                    
                                
                                Company Profile:
                                
                                    Lundin Energy AB
                                
                            
                            
                                Market Cap (USD):
                                
                                    
                                        $234.5 M
                                    
                                
                                
                            
                            
                                    Country:
                                    
                                        Sweden
                                    
                                
                                    Sector:
                                    
                                        Swedish Energy
                                    
                                
                                    Industry:
                                    
                                        Swedish Oil & Gas E&P
                                    
                                
                                Company Profile:
                                
                                    Maha Energy AB
                                
                            
                            
                                Market Cap (USD):
                                
                                    
                                        $142.6 M
                                    
                                
                                
                            
                            
                                    Country:
                                    
                                        Sweden
                                    
                                
                                    Sector:
                                    
                                        Swedish Energy
                                    
                                
                                    Industry:
                                    
                                        Swedish Oil & Gas E&P
                                    
                                
                                Company Profile:
                                
                                    Crown Energy AB
                                
                            
                            
                                Market Cap (USD):
                                
                                    $15.7 M
                                    (July 1, 2025)
                                
                                
                            
                            
                                    Country:
                                    
                                        Sweden
                                    
                                
                                    Sector:
                                    
                                        Swedish Energy
                                    
                                
                                    Industry:
                                    
                                        Swedish Oil & Gas E&P
                                    
                                
                                Company Profile:
                                
                                    Petrotarg AB
                                
                            
                            
                            
                                    Country:
                                    
                                        Sweden
                                    
                                
                                    Sector:
                                    
                                        Swedish Energy
                                    
                                
                                    Industry:
                                    
                                        Swedish Oil & Gas E&P