| Business | Phone |
| 3 E Trading Llc 461 Melwood Ave, Pittsburgh 15213 | (412) 621-6287 |
| Barter All 902 Brookline Blvd, Pittsburgh 15226 | (412) 531-1800 |
| Disco Trading Usa Inc 437 Grant St, Pittsburgh 15219 | (412) 434-0607 |
| Triorient Trading Inc 1580 Mclaughlin Run Rd, Pittsburgh 15241 | (412) 257-1460 |