| 327999 |
Manufacturing cut stone and stone products--are classified in U.S. Industry 327991, Cut Stone and Stone Product Manufacturing |
| 327999 |
Manufacturing ground and treated minerals and earth (i.e., not at the mine site)--are classified in U.S. Industry 327992, Ground or Treated Mineral and Earth Manufacturing |
| 327999 |
Manufacturing mineral wool and fiberglass insulation products--are classified in U.S. Industry 327993, Mineral Wool Manufacturing. |
| 331110 |
Operating coke ovens--are classified in U.S. Industry 324199, All Other Petroleum and Coal Products Manufacturing |
| 331110 |
Manufacturing nonferrous superalloys, such as cobalt or nickel-based superalloys--are classified in U.S. Industry 331492, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) |
| 331110 |
Manufacturing concrete reinforcing bar by rolling and drawing steel from purchased steel--are classified in U.S. Industry 331221, Rolled Steel Shape Manufacturing |
| 331110 |
Manufacturing fabricated structural metal products from concrete reinforcing bars and fabricated bar joists--are classified in U.S. Industry 332312, Fabricated Structural Metal Manufacturing. |
| 331210 |
Establishments primarily engaged in making steel and further processing the steel into steel pipe and tube are classified in Industry 331110, Iron and Steel Mills and Ferroalloy Manufacturing. |
| 33122 |
Making steel and rolling and/or drawing steel--are classified in Industry 33111, Iron and Steel Mills and Ferroalloy Manufacturing |
| 33122 |
Manufacturing wire products from purchased wire--are classified in Industry 33261, Spring and Wire Product Manufacturing. |