| Corp | ||||
| Quarter | ||||
| End | ||||
| When | US GAAP | |||
| Trump | Net | |||
| Tax | Income | |||
| Cuts | (Loss) | |||
| US Oil & Gas Corporation | State | Act | Dec 17 | |
| With Recent Stock Market Caps Above $10 Bil | City Hqs | HQs | Signed | Quarter | 
| mils $ | ||||
| Exxon Mobil | Irving | TX | Dec 17 | 8,409 | 
| Chevron | San Ramon | CA | Dec 17 | 3,118 | 
| Schlumberger Ltd | Houston | TX | Dec 17 | (2,272) | 
| ConocoPhillips | Houston | TX | Dec 17 | 1,598 | 
| EOG Resources' | Houston | TX | Dec 17 | 2,430 | 
| Occidental Petroleum | Houston | TX | Dec 17 | 497 | 
| Phillips 66 | Houston | TX | Dec 17 | 3,255 | 
| Halliburton | Houston | TX | Dec 17 | (806) | 
| Valero Energy | San Antonio | TX | Dec 17 | 2,400 | 
| Kinder Morgan Inc | Houston | TX | Dec 17 | (992) | 
| Marathon Petroleum | Findlay | OH | Dec 17 | 2,125 | 
| Anadarko Petroleum | The Woodlands | TX | Dec 17 | 1,039 | 
| Pioneer Natural Resources | Irving | TX | Dec 17 | 665 | 
| BakerHughes | Houston | TX | Dec 17 | (82) | 
| Williams Companies | Tulsa | OK | Dec 17 | 1,622 | 
| ONEOK Inc | Tulsa | OK | Dec 17 | 65 | 
| Concho Resources | Midland | TX | Dec 17 | 267 | 
| Continental Resources | Oklahoma City | OK | Dec 17 | 842 | 
| Devon Energy | Oklahoma City | OK | Dec 17 | 304 | 
| Andeavor | San Antonio | TX | Dec 17 | 908 | 
| Apache | Houston | TX | Dec 17 | 518 | 
| Hess | New York | NY | Dec 17 | (2,635) | 
| Marathon Oil | Houston | TX | Dec 17 | (28) | 
| Cheniere Energy | Houston | TX | Dec 17 | 280 | 
| National Oilwell Varco | Houston | TX | Dec 17 | (15) | 
| Noble Energy | Houston | TX | Dec 17 | 516 | 
| EQT | Pittsburgh | PA | Dec 17 | 1,379 | 
| Diamondback Energy | Midland | TX | Dec 17 | 130 | 
| Cabot Oil & Gas | Houston | TX | Dec 17 | (44) | 
| Targa Resources | Houston | TX | Dec 17 | 299 | 
| Total all 30 Oil & Gas Companies | 25,792 | |||
| Berkshire Hathaway | Omaha | NE | Dec 17 | 32,656 | 
| ….. % Higher in 4Q 2017 Net Income | 27% |