| 327212 |
Manufacturing flat glass--are classified in U.S. Industry 327211, Flat Glass Manufacturing |
| 327212 |
Manufacturing glass packaging containers--are classified in U.S. Industry 327213, Glass Container Manufacturing |
| 327212 |
Manufacturing glass wool (i.e., fiberglass) insulation--are classified in U.S. Industry 327993, Mineral Wool Manufacturing |
| 327212 |
Manufacturing glassware from purchased glass--are classified in U.S. Industry 327215, Glass Product Manufacturing Made of Purchased Glass |
| 327212 |
Manufacturing fiber optic cable from purchased fiber optic strand--are classified in U.S. Industry 335921, Fiber Optic Cable Manufacturing. |
| 327215 |
Manufacturing glass packaging containers--are classified in U.S. Industry 327213, Glass Container Manufacturing |
| 327215 |
Manufacturing optical lenses (except ophthalmic), such as magnifying, photographic, and projection lenses--are classified in Industry 333310, Commercial and Service Industry Machinery Manufacturing |
| 327215 |
Manufacturing ophthalmic (i.e., eyeglass) lenses--are classified in U.S. Industry 339115, Ophthalmic Goods Manufacturing |
| 327215 |
Manufacturing fiber optic cable from purchased fiber optic strand--are classified in U.S. Industry 335921, Fiber Optic Cable Manufacturing. |
| 327310 |
Mining or quarrying limestone--are classified in U.S. Industry 212312, Crushed and Broken Limestone Mining and Quarrying |