| 33231 |
Manufacturing heavy gauge tanks--are classified in Industry 33242, Metal Tank (Heavy Gauge) Manufacturing |
| 33231 |
Manufacturing metal plate cooling towers--are classified in Industry 33341, Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing |
| 33231 |
Manufacturing metal windows, doors, and studs--are classified in Industry 33232, Ornamental and Architectural Metal Products Manufacturing. |
| 332311 |
Making manufactured homes (i.e., mobile homes) and prefabricated wood buildings--are classified in Industry 32199, All Other Wood Product Manufacturing |
| 332311 |
Constructing prefabricated buildings on site--are classified in Subsector 236, Construction of Buildings |
| 332311 |
Manufacturing metal windows and doors--are classified in U.S. Industry 332321, Metal Window and Door Manufacturing. |
| 332312 |
Manufacturing concrete reinforcing bars in an iron and steel mill--are classified in Industry 331110, Iron and Steel Mills and Ferroalloy Manufacturing |
| 332312 |
Manufacturing metal windows and doors--are classified in U.S. Industry 332321, Metal Window and Door Manufacturing |
| 332312 |
Manufacturing metal studs--are classified in U.S. Industry 332322, Sheet Metal Work Manufacturing |
| 332312 |
Constructing buildings, bridges, and other heavy construction projects on site--are classified in Sector 23, Construction |