| Business | Phone |
| Elru Inc 1271 4th St Ne, Washington 20002 | (202) 543-7717 |
| N & S Jewelers 1351 Wisconsin Ave Nw # 4-5, Washington 20007 | (202) 333-5538 |
| Royal Diamond Exchange 3305 Connecticut Ave Nw, Washington 20008 | (202) 364-4987 |
| Ace Wholesale 1331 4th St Ne, Washington 20002 | (202) 546-2425 |