- 3523 - Farm Machinery And Equipment (1 Company)
- 3533 - Oil And Gas Field Machinery And Equipment (1 Company)
- 3541 - Machine Tools, Metal Cutting Type (2 Companies)
- 3542 - Machine Tools, Metal Forming Type (1 Company)
- 3543 - Industrial Patterns (3 Companies)
- 3544 - Special Dies, Tools, Jigs, And Fixtures (7 Companies)
- 3545 - Machine Tool Accessories (6 Companies)
- 3553 - Woodworking Machinery (3 Companies)
- 3556 - Food Products Machinery (3 Companies)
- 3559 - Special Industry Machinery (5 Companies)
- 3561 - Pumps And Pumping Equipment (2 Companies)
- 3567 - Ndustrial Furnaces And Ovens (4 Companies)
- 3569 - General Industrial Machinery (4 Companies)
- 3571 - Electronic Computers (6 Companies)
- 3578 - Calculating And Accounting Equipment (13 Companies)
- 3582 - Commercial Laundry, Drycleaning, And Pressing Equi (3 Companies)
- 3585 - Refrigeration And Heating Equipment (13 Companies)
- 3589 - Service Industry Machinery (5 Companies)
- 3592 - Carburetors, Pistons, Rings And Valves (10 Companies)
- 3599 - Industrial Machinery (19 Companies)
- 3612 - Transformers, Except Electric (1 Company)
- 3613 - Switchgear And Switchboard Apparatus (2 Companies)
- 3624 - Carbon And Graphite Products (2 Companies)
- 3625 - Relays And Industrial Controls (2 Companies)
- 3631 - Household Cooking Equipment (1 Company)
- 3632 - Household Refrigerators And Freezers (1 Company)
- 3634 - Electric Housewares And Fans (2 Companies)
- 3635 - Household Vacuum Cleaners (2 Companies)
- 3639 - Household Appliances (4 Companies)
- 3644 - Noncurrent Carrying Wiring Devices (2 Companies)
- 3645 - Residential Lighting Fixtures (2 Companies)
- 3648 - Lighting Equipment (13 Companies)
- 3651 - Household Audio And Video Equipment (3 Companies)
- 3652 - Prerecorded Records And Tapes (1 Company)
- 3661 - Telephone And Telegraph Apparatus (1 Company)
- 3663 - Radio And Tv Communications Equipment (8 Companies)
- 3669 - Communications Equipment (1 Company)
- 3691 - Storage Batteries (5 Companies)
- 3699 - Electrical Equipment And Supplies (47 Companies)
- 3711 - Motor Vehicles And Car Bodies (4 Companies)
- 3714 - Motor Vehicle Parts And Accessories (20 Companies)
- 3715 - Truck Trailers (1 Company)
- 3721 - Aircraft (9 Companies)
- 3732 - Boatbuilding And Repairing (1 Company)
- 3751 - Motorcycles, Bicycles And Parts (1 Company)
- 3761 - Guided Missiles And Space Vehicles (6 Companies)
- 3769 - Space Vehicle Equipment (1 Company)
- 3792 - Travel Trailers And Campers (20 Companies)
- 3799 - Transportation Equipment (12 Companies)
- 3822 - Environmental Controls (1 Company)
