- 3448 - Prefabricated Metal Buildings & Components (10 Companies)
- 3469 - Metal Stampings (6 Companies)
- 3471 - Plating And Polishing (21 Companies)
- 3479 - Metal Coating & Allied Services (25 Companies)
- 3491 - Industrial Valves (14 Companies)
- 3494 - Valve & Pipe Fittings, Nec (1 Company)
- 3496 - Miscellaneous Fabricated Wire Products (2 Companies)
- 3498 - Fabricated Pipe & Fittings (2 Companies)
- 3499 - Fabricated Metal Products (41 Companies)
- 3511 - Turbines And Turbine Generator Sets (1 Company)
- 3519 - Internal Combustion Engines (5 Companies)
- 3523 - Farm Machinery And Equipment (2 Companies)
- 3531 - Construction Machinery (2 Companies)
- 3541 - Machine Tools, Metal Cutting Type (2 Companies)
- 3542 - Machine Tools, Metal Forming Type (2 Companies)
- 3543 - Industrial Patterns (2 Companies)
- 3544 - Special Dies, Tools, Jigs, And Fixtures (15 Companies)
- 3545 - Machine Tool Accessories (15 Companies)
- 3552 - Textile Machinery (1 Company)
- 3553 - Woodworking Machinery (2 Companies)
- 3554 - Paper Industries Machinery (1 Company)
- 3556 - Food Products Machinery (9 Companies)
- 3559 - Special Industry Machinery (5 Companies)
- 3561 - Pumps And Pumping Equipment (1 Company)
- 3564 - Blowers, Fans, And Air Purification Equipment (1 Company)
- 3565 - Packaging Machinery (1 Company)
- 3567 - Ndustrial Furnaces And Ovens (5 Companies)
- 3569 - General Industrial Machinery (11 Companies)
- 3571 - Electronic Computers (21 Companies)
- 3578 - Calculating And Accounting Equipment (91 Companies)
- 3582 - Commercial Laundry, Drycleaning, And Pressing Equi (9 Companies)
- 3585 - Refrigeration And Heating Equipment (10 Companies)
- 3589 - Service Industry Machinery (9 Companies)
- 3592 - Carburetors, Pistons, Rings And Valves (7 Companies)
- 3594 - Fluid Power Pumps And Motors (2 Companies)
- 3596 - Scales And Balances, Except Laboratory (1 Company)
- 3599 - Industrial Machinery (27 Companies)
- 3613 - Switchgear And Switchboard Apparatus (2 Companies)
- 3621 - Motors And Generators (1 Company)
- 3624 - Carbon And Graphite Products (1 Company)
- 3625 - Relays And Industrial Controls (1 Company)
- 3631 - Household Cooking Equipment (4 Companies)
- 3632 - Household Refrigerators And Freezers (1 Company)
- 3634 - Electric Housewares And Fans (1 Company)
- 3635 - Household Vacuum Cleaners (1 Company)
- 3639 - Household Appliances (5 Companies)
- 3641 - Electric Lamps (3 Companies)
- 3645 - Residential Lighting Fixtures (29 Companies)
- 3648 - Lighting Equipment (70 Companies)
- 3651 - Household Audio And Video Equipment (17 Companies)
