| Business | Phone |
| Bang & Olufsen 311 Mall Blvd, King Of Prussia 19406 | (610) 265-8788 |
| Bose Retail Store 160 N Gulph Rd, King Of Prussia 19406 | (610) 962-0888 |
| Tweeter 268 W Dekalb Pike, King Of Prussia 19406 | (610) 337-4591 |
| Tweeter 320 S Henderson Rd, King Of Prussia 19406 | (610) 878-3700 |
| Stone-Glidden Assoc 628 B St, King Of Prussia 19406 | (610) 270-2850 |