Industry: 3211—Flat Glass
Establishments primarily engaged in manufacturing flat glass. This industry also produces laminated glass, but establishments primarily engaged in manufacturing laminated glass from purchased flat glass are classified in Industry 3231.
| Building glass, flat | Picture glass |
| Cathedral glass | Plate glass blanks for optical or ophthalmic uses |
| Float glass | Plate glass, polished and rough |
| Glass, colored: cathedral and antique | Sheet glass |
| Glass, flat | Sheet glass blanks for optical or ophthalmic uses |
| Insulating glass, sealed units—mitse | Skylight glass |
| Laminated glass, made from glass produced in the same establishment | Spectacle glass |
| Multiple-glazed insulating units—mitse | Structural glass, flat |
| Opalescent flat glass | Tempered glass—mitse |
| Ophthalmic glass, flat | Window glass, clear and colored |
| Optical glass, flat | |
| Codes |
Titles | Total Marketable US Businesses |
| 32110000 | Flat glass | 184 |
| 32110100 | Transparent optical glass, except lenses | 8 |
| 32110101 | Ophthalmic glass, flat | 0 |
| 32110102 | Optical glass, flat | 13 |
| 32110103 | Spectacle glass | 1 |
| 32110200 | Strengthened or reinforced glass | 10 |
| 32110201 | Laminated glass | 19 |
| 32110202 | Tempered glass | 24 |
| 32110300 | Construction glass | 52 |
| 32110301 | Building glass, flat | 14 |
| 32110302 | Insulating glass, sealed units | 31 |
| 32110303 | Skylight glass | 21 |
| 32110304 | Structural glass | 12 |
| 32110305 | Window glass, clear and colored | 182 |
| 32110400 | Plate and sheet glass | 14 |
| 32110401 | Plate glass, polished and rough | 6 |
| 32110402 | Sheet glass | 5 |
| 32119901 | Antique glass | 21 |
| 32119902 | Cathedral glass | 2 |
| 32119903 | Float glass | 7 |
| 32119904 | Opalescent glass, flat | 0 |
| 32119905 | Picture glass | 3 |
