| Business | Phone |
| Sound Sensation-Dic Jockey 8601 Jane St, Concord L4K 5N9 | (905) 326-4822 |
| Celebrity Disc Jockey Ent 400 Creditstone Rd #11, Concord L4K 3Z3 | (905) 660-3600 |
| Classy Disc Jockey Svc 8600 Keele St, Concord L4K 4H8 | (905) 796-8208 |
| Fos Sound & Lighting 200 Viceroy Rd, Concord L4K 3N8 | (905) 760-0040 |