| Business | Phone |
| Benedum Interests 223 4th Ave # 1500, Pittsburgh 15222 | (412) 288-0280 |
| Delta Energy Llc 275 Curry Hollow Rd # 170, Pittsburgh 15236 | (412) 655-0910 |
| Fisher Oil Co 900 5th Ave # 500, Pittsburgh 15219 | (412) 391-1368 |
| Gulf Oil Intl 215 William Pitt Way, Pittsburgh 15238 | (412) 826-5340 |
| Wilber Oil Co 301 Grant St, Pittsburgh 15219 | (412) 577-4046 |
| Wilber Oil Co 625 Liberty Ave, Pittsburgh 15222 | (412) 557-4046 |
| Elmore A Willets Jr 1 Oliver Plz, Pittsburgh 15222 | (412) 471-6265 |