| Business | Phone |
| Mark Fujii Jewelers 2145 Crooks Rd, Troy 48084 | (248) 649-7644 |
| Made-Rite Pearl Co 1158 E Big Beaver Rd, Troy 48083 | (248) 524-2434 |
| Leo Frank & Sons 1158 E Big Beaver Rd, Troy 48083 | (248) 689-7701 |
| Crystal Gem Corp 2959 Crooks Rd 3, Troy 48084 | (248) 649-2580 |