939	EQUIPMENT MAINTENANCE, RECONDITIONING, AND REPAIR SERVICES - OFFICE, PHOTOGRAPHIC, 
	AND RADIO/TELEVISION EQUIPMENT
93906  *	Audio-Visual Equipment
93915  *	Calculating Machines (Not Computer)
93918  *	Clocks, Timers, Watches, and Jewelers' and Watchmakers' Tools and Equipment 
	 (Including Programming Timers, etc.)
93921  *	Computers, Data Processing Equipment and Accessories (Not Word Processing Equipment)
93924  *	Coolers, Drinking Water
93927  *	Copy Machines
93935  *	Dictating Machines
93942  *	Intercom Equipment
93948  *	Library Machines and Supplies
93952  *	Mailing Machines and Equipment
93954  *	Microfilm and Microfiche Equipment
93959  *	Office Equipment, Filing Systems, etc.
93960  *	Office Machines and Mechanical Aids, Small
93966  *	Photographic Equipment (Not Including Graphic Arts, Microfilm, and X-Ray)
93972  *	Radio/Telecommunications/Telephone Equipment (Including Facsimile Transceivers)
93973  *	Radio, Television, and Electronic Testing, Measuring, and Analyzing Equipment
93977  *	Sound Equipment (Including Microphones, Speakers, Recording Equipment, etc.)
93984  *	Television Equipment and Accessories (Including Video Equipment)
93987  *	Typewriters
93991  *	Visual Education Equipment
93994  *	Word Processing Equipment