| Business | Phone |
| Beamish Electronics 4560 State Rd, Cleveland 44109 | (216) 351-9599 |
| Best Audio Svc 5700 Superior Ave, Cleveland 44103 | (216) 431-8332 |
| Bic America 197 Alpha Park, Cleveland 44143 | (440) 461-4628 |
| Wizard Soundesign 4257 W 130th St, Cleveland 44135 | (216) 252-5522 |
| Viasound.Com 15375 Brookpark Rd, Cleveland 44142 | (216) 265-0333 |
| Commercial Sound Systems Inc 1205 Brookpark Rd, Cleveland 44109 | (216) 351-2630 |
| Dandridge Sound Svc 1076 Parkside Rd, Cleveland 44108 | (216) 681-0685 |
| Sound Resource 12621 Larchmere Blvd, Cleveland 44120 | (216) 791-6363 |
| Serious Sound Corp 5700 Superior Ave, Cleveland 44103 | (216) 431-1181 |
| Rcs Corp-Rock Capital Prods 3303 W 65th St, Cleveland 44102 | (216) 281-6600 |
| Phil Reddish Sound 11725 Royalton Rd, Cleveland 44133 | (440) 582-4333 |
| Philtec Sound Svc Co 3697 Washington Blvd, Cleveland 44118 | (216) 371-1151 |
| Performance Production Svc Cleveland 44105 | (216) 883-9001 |
| Muzak 1530 Saint Clair Ave Ne, Cleveland 44114 | (216) 781-1234 |