- 3571 - Electronic Computers (13 Companies)
- 3578 - Calculating And Accounting Equipment (50 Companies)
- 3585 - Refrigeration And Heating Equipment (6 Companies)
- 3589 - Service Industry Machinery (3 Companies)
- 3592 - Carburetors, Pistons, Rings And Valves (4 Companies)
- 3594 - Fluid Power Pumps And Motors (3 Companies)
- 3599 - Industrial Machinery (13 Companies)
- 3612 - Transformers, Except Electric (2 Companies)
- 3624 - Carbon And Graphite Products (1 Company)
- 3625 - Relays And Industrial Controls (5 Companies)
- 3631 - Household Cooking Equipment (1 Company)
- 3634 - Electric Housewares And Fans (2 Companies)
- 3635 - Household Vacuum Cleaners (2 Companies)
- 3639 - Household Appliances (2 Companies)
- 3643 - Current Carring Wiring Services (1 Company)
- 3644 - Noncurrent Carrying Wiring Devices (1 Company)
- 3645 - Residential Lighting Fixtures (8 Companies)
- 3648 - Lighting Equipment (20 Companies)
- 3651 - Household Audio And Video Equipment (6 Companies)
- 3652 - Prerecorded Records And Tapes (5 Companies)
- 3661 - Telephone And Telegraph Apparatus (2 Companies)
- 3663 - Radio And Tv Communications Equipment (16 Companies)
- 3669 - Communications Equipment (2 Companies)
- 3672 - Printed Circuit Boards (3 Companies)
- 3674 - Semiconductors And Related Devices (34 Companies)
- 3677 - Electronic Coils And Transformers (1 Company)
- 3679 - Electronic Components (4 Companies)
- 3691 - Storage Batteries (20 Companies)
- 3692 - Primary Batteries, Dry And Wet (3 Companies)
- 3699 - Electrical Equipment And Supplies (56 Companies)
- 3711 - Motor Vehicles And Car Bodies (2 Companies)
- 3714 - Motor Vehicle Parts And Accessories (18 Companies)
- 3721 - Aircraft (5 Companies)
- 3732 - Boatbuilding And Repairing (1 Company)
- 3751 - Motorcycles, Bicycles And Parts (4 Companies)
- 3761 - Guided Missiles And Space Vehicles (2 Companies)
- 3769 - Space Vehicle Equipment (1 Company)
- 3792 - Travel Trailers And Campers (9 Companies)
- 3799 - Transportation Equipment (12 Companies)
- 3822 - Environmental Controls (1 Company)
- 3823 - Process Control Instruments (1 Company)
- 3829 - Measuring And Controlling Devices, Nec (3 Companies)
- 3842 - Orthopedic , Prosthetic And Surgical Appliances An (30 Companies)
- 3851 - Ophthalmic Goods (2 Companies)
- 3861 - Photographic Equipment And Supplies (1 Company)
- 3873 - Watches, Clocks, Watchcases And Parts (1 Company)
- 3911 - Jewelry, Precious Metal (10 Companies)
- 3914 - Silverware And Plated Ware (1 Company)
- 3931 - Musical Instruments (1 Company)
- 3944 - Games, Toys And Childrens Vehicles (1 Company)
