| 287.96 Wire and Cable, Electronic: Audio, Coaxial, Hook-Up, Lead-In, etc. |
| 710.52 Audio Equipment for the Visual and Hearing Impaired (Not Otherwise Classified) |
| 840.14 Audio Equipment and Accessories, Television (Microphones, Mixers, and Amplifiers) |
| 840.55 Switchers, Audio and Video |
| 840.56 Teleconference Systems, Audio/Video (To Include Video on Demand Systems) |
| 840.84 Video and Audio Systems, Accessories and Parts (Closed Circuit TV) (Including Surveillance Type) |
| 880.11 Audio Visual Equipment and Supplies (Not Otherwise Classified) |
| 883.16 Audiotex Voice Response Systems |
| 915.06 Audio Production |
| 915.07 Audio Recording |
| 915.08 Audio Media Duplicating Services (Incl. Cassettes, CD Roms, Tapes, etc.) |
| 915.09 Audio/Video Production Services Complete |
| 961.96 Non-Professional Services (Not Otherwise Classified) |
| 998.28 Communication Equipment (Including Radio, Television, Telephone, VCR, Video/Audio Equipment, etc.) |