| Business | Phone |
| Stokes & Spiehler Inc 580 Decker Dr, Irving 75062 | (972) 791-4800 |
| Easternoil Service Inc 1333 Corporate Dr 210, Irving 75038 | (972) 518-1302 |
| Improved Petroleum 909 Hidden Rdg # 500, Irving 75038 | (972) 550-0088 |
| Retog Inc 4413 Caesar Ln, Irving 75038 | (972) 255-4835 |