| Business | Phone |
| Anderson-Drake Inc 16775 Addison Rd, Addison 75001 | (972) 713-9007 |
| Black Oil Co Inc 14677 Midway Rd 101, Addison 75001 | (972) 755-5555 |
| Capital Programs Inc 15851 Dallas Pkwy, Addison 75001 | (972) 450-5966 |
| Dallas Operating Corp 5080 Spectrum Dr, Addison 75001 | (972) 934-9769 |
| Dei Energy Inc 15301 Spectrum Dr, Addison 75001 | (972) 789-2939 |
| First Magnus Financial Corp 15455 Dallas Pkwy, Addison 75001 | (214) 445-9600 |
| Grand Energy Inc 15303 Dallas Pkwy, Addison 75001 | (972) 788-2080 |
| Harbor Resources Llc 15851 Dallas Pkwy # 105, Addison 75001 | (972) 701-8140 |
| Hydroex Inc 14621 Dickenson Ct, Addison 75001 | (972) 241-2468 |
| Hydroex Inc 12221 Merit Dr, Addison 75001 | (972) 991-7200 |
| Recon Exploration Inc 15506 Wright Brothers Dr 100, Addison 75001 | (972) 960-8600 |
| Texas Western Exploration 16475 Dallas Pkwy, Addison 75001 | (972) 818-0070 |
| Western Geophysical 14131 Midway Rd # 700, Addison 75001 | (972) 490-9832 |
| George Willis 16951 Addison Rd, Addison 75001 | (972) 380-4548 |