Establishments primarily engaged in manufacturing machinery, equipment, and components for general industrial use, and for which no special classification is provided. Machine shops primarily engaged in producing machine and equipment parts, usually on a job or order basis, are classified in Industry 3599.
| Altitude testing chambers | Jacks, hydraulic: for general industrial use |
| Baling machines for scrap metal, paper, and similar materials | Lubricating systems, centralized |
| Blast cleaning equipment, dustless: except metalworking | Lubrication equipment, industrial |
| Brake burnishing and washing machines | Lubrication machinery, automatic |
| Bridge and gate machinery, hydraulic | Ordnance testing chambers |
| Burnishing and washing machines, brake | Ovens, surveillance: for aging and testing powder |
| Centrifuges, industrial | Powder testing chambers |
| Cremating ovens | Presses, metal baling |
| Driers and reel, firehose | Purifiers, centrifugal |
| Filter elements, fluid: hydraulic line | Reels and racks, firehose |
| Filters, fluid, general line industrial: except internal combustion | Robots for general industrial use |
| Filters, pipeline | Screening and sifting machines for general industrial use |
| Firefighting apparatus, except automotive and chemical | Screws, jack |
| Firehose, except rubber | Separators for steam, gas, vapor, and air (machinery) |
| Gas producers (machinery) | Sifting and screening machines for general industrial use |
| Gas separators (machinery) | Sprinkler systems, fire: automatic |
| Generators, gas | Steam separators (machinery) |
| Generators: steam, liquid oxygen, and nitrogen | Strainers, pipeline |
| Heaters, swimming pool: electric | Temperature testing chambers |
| Hose, fire: except rubber | Testing chambers for altitude, temperature, ordnance, and power |
| Ice crushers, except household | Vapor separators (machinery) |
| Codes |
Titles | Total Marketable US Businesses |
| 35690000 | General industrial machinery, nec | 249 |
| 35690100 | Filters | 444 |
| 35690101 | Filter elements, fluid, hydraulic line | 18 |
| 35690102 | Filters and strainers, pipeline | 32 |
| 35690103 | Filters, general line: industrial | 163 |
| 35690200 | Firefighting and related equipment | 163 |
| 35690201 | Firefighting apparatus | 38 |
| 35690202 | Firehose equipment: driers, rack, and reels | 5 |
| 35690203 | Firehose, except rubber | 0 |
| 35690204 | Sprinkler systems, fire: automatic | 100 |
| 35690300 | Lubricating equipment | 35 |
| 35690301 | Lubricating systems, centralized | 12 |
| 35690302 | Lubrication equipment, industrial | 49 |
| 35690303 | Lubrication machinery, automatic | 10 |
| 35690400 | Gas producers, generators, and other gas related equipment | 66 |
| 35690401 | Gas generators | 17 |
| 35690402 | Gas producers (machinery) | 13 |
| 35690403 | Gas separators (machinery) | 11 |
| 35690404 | Generators: steam, liquid oxygen, or nitrogen | 33 |
| 35690405 | Separators for steam, gas, vapor, or air (machinery) | 17 |
| 35699901 | Assembly machines, non-metalworking | 187 |
| 35699902 | Baling machines, for scrap metal, paper, or similar material | 44 |
| 35699903 | Blast cleaning equipment, dustless | 49 |
| 35699904 | Brake burnishing or washing machines | 1 |
| 35699905 | Bridge or gate machinery, hydraulic | 15 |
| 35699906 | Centrifugal purifiers | 4 |
| 35699907 | Centrifuges, industrial | 27 |
| 35699908 | Cremating ovens | 6 |
| 35699909 | Heaters, swimming pool: electric | 6 |
| 35699910 | Ice crushers (machinery) | 3 |
| 35699911 | Jack screws | 2 |
| 35699912 | Jacks, hydraulic | 32 |
| 35699913 | Liquid automation machinery and equipment | 101 |
| 35699914 | Robots, assembly line: industrial and commercial | 175 |
| 35699915 | Sifting and screening machines | 5 |
| 35699916 | Surveillance ovens for aging and testing powder | 1 |
| 35699917 | Testing chambers for altitude, temperature, ordnance, power | 17 |
| 35699918 | Industrial shock absorbers | 6 |
