| 3311 |
1 |
Iron and Steel Mills and Ferroalloy Manufacturing |
— |
| 3312 |
3 |
Steel Product Manufacturing from Purchased Steel |
This industry group comprises establishments primarily engaged in manufacturing iron and steel tube and pipe, drawing steel wire, and rolling or drawing shapes from purchased iron or steel. |
| 3313 |
4 |
Alumina and Aluminum Production and Processing |
— |
| 3314 |
4 |
Nonferrous Metal (except Aluminum) Production and Processing |
This industry group comprises establishments primarily engaged in nonferrous metal (except aluminum) smelting, refining, rolling, drawing, extruding, and alloying. |
| 3315 |
6 |
Foundries |
This industry group comprises establishments primarily engaged in pouring molten metal into molds or dies to form castings. Establishments making castings and further manufacturing, such as machining or assembling, a specific manufactured product are classified in the industry of the finished product. Foundries may perform operations, such as cleaning and deburring, on the castings they manufacture. More involved processes, such as tapping, threading, milling, or machining to tight tolerances, that transform castings into more finished products are classified elsewhere in the Manufacturing sector based on the product made. |
| 3321 |
5 |
Forging and Stamping |
— |
| 3322 |
2 |
Cutlery and Handtool Manufacturing |
— |
| 3323 |
6 |
Architectural and Structural Metals Manufacturing |
This industry group comprises establishments primarily engaged in manufacturing one or more of the following: (1) prefabricated metal buildings, panels, and sections; (2) structural metal products; (3) metal plate work products; (4) metal framed windows (i.e., typically using purchased glass) and metal doors; (5) sheet metal work; and (6) ornamental and architectural metal products. |
| 3324 |
4 |
Boiler, Tank, and Shipping Container Manufacturing |
This industry group comprises establishments primarily engaged in one of the following: (1) manufacturing power boilers and heat exchangers; (2) cutting, forming, and joining heavy gauge metal to manufacture tanks, vessels, and other containers; or (3) forming light gauge metal containers. |
| 3325 |
1 |
Hardware Manufacturing |
— |