| 206.23 Communication Processors and Protocol Convertors: Front-End Processor, Network Interface Module, Protocol Interchange, Switching Controls, etc. |
| 206.75 Printers, Pen Plotter |
| 285.45 Lamps, Projector |
| 285.69 Misc. Electrical Equipment and Supplies (Not Otherwise Classified) |
| 803.18 Electronic Sound Equipment (Not Otherwise Classified) |
| 803.45 Music Systems and Components: Amplifiers, Mixers, Preamplifiers, Tuners, Turntables, etc. |
| 803.55 Paging Systems, Loud Speaker Type |
| 803.79 Sound Proof Booths or Chambers (Anechoic) |
| 803.80 Speakers and Accessories: Drivers, Enclosures, Grilles, Grille Cloth, etc. |
| 840.10 Antennas and Accessories: Amplifiers, Brackets, Masts, Mounts, Rotators, Standoffs, etc. (Television Only) |
| 840.20 Broadcast Equipment, Television |
| 840.24 Cable or Community Television Equipment and Hardware |
| 840.27 Carts and Stands, Television |
| 840.30 Digital Video Disk (DVD) Television Combinations |
| 840.55 Switchers, Audio and Video |
| 840.56 Teleconference Systems, Audio/Video (To Include Video on Demand Systems) |
| 840.60 Television Receivers and Consoles |
| 840.62 Television Receivers, Wide Screen, Projection Type |
| 840.64 Television Tools, Equipment and Supplies for Analysis, Inspection, Testing, etc. |
| 840.65 Television Transmitters |
| 840.66 Television-VCR Combination Sets |
| 840.75 Video Players |
| 840.76 Video Projectors, Accessories and Parts |
| 880.11 Audio Visual Equipment and Supplies (Not Otherwise Classified) |
| 880.52 Projectors, Motion Picture (Specialized Types Only, Including Film Loop Projectors, Rear-Projection Units, Repetitive Projectors, etc.) |
| 883.90 Voice Mail Systems |
