| CATEGORIES INDEX: 333. MACHINERY MANUFACTURING |
| 3331. AGRICULTURE, CONSTRUCTION, AND MINING MACHINERY MANUFACTURING |
| 3332. INDUSTRIAL MACHINERY MANUFACTURING |
| 3333. COMMERCIAL AND SERVICE INDUSTRY MACHINERY MANUFACTURING |
| 3334. VENTILATION, HEATING, AIR-CONDITIONING AND COMMERCIAL REFRIGERATION EQUIPMENT MANUFACTURING |
| 3335. METALWORKING MACHINERY MANUFACTURING |
| 3336. ENGINE, TURBINE, AND POWER TRANSMISSION EQUIPMENT MANUFACTURING |
| 3339. OTHER GENERAL PURPOSE MACHINERY MANUFACTURING |