SIC Industry Description

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, flatPicture glass
Cathedral glassPlate glass blanks for optical or ophthalmic uses
Float glassPlate glass, polished and rough
Glass, colored: cathedral and antiqueSheet glass
Glass, flatSheet glass blanks for optical or ophthalmic uses
Insulating glass, sealed units—mitseSkylight glass
Laminated glass, made from glass produced in the same establishmentSpectacle glass
Multiple-glazed insulating units—mitseStructural glass, flat
Opalescent flat glassTempered glass—mitse
Ophthalmic glass, flatWindow glass, clear and colored
Optical glass, flat
Codes TitlesTotal Marketable US Businesses
3211Flat Glass615
321100Flat glass178
32110000Flat glass178
321101Transparent optical glass, except lenses22
32110100Transparent optical glass, except lenses8
32110101Ophthalmic glass, flat0
32110102Optical glass, flat13
32110103Spectacle glass1
321102Strengthened or reinforced glass52
32110200Strengthened or reinforced glass10
32110201Laminated glass19
32110202Tempered glass23
321103Construction glass306
32110300Construction glass50
32110301Building glass, flat13
32110302Insulating glass, sealed units31
32110303Skylight glass22
32110304Structural glass11
32110305Window glass, clear and colored179
321104Plate and sheet glass25
32110400Plate and sheet glass14
32110401Plate glass, polished and rough6
32110402Sheet glass5
321199Flat glass, nec32
32119901Antique glass21
32119902Cathedral glass1
32119903Float glass7
32119904Opalescent glass, flat0
32119905Picture glass3