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 Titles Total Marketable US Businesses
3211Flat Glass641
321100Flat glass170
32110000Flat glass170
321101Transparent optical glass, except lenses17
32110100Transparent optical glass, except lenses7
32110101Ophthalmic glass, flat0
32110102Optical glass, flat9
32110103Spectacle glass1
321102Strengthened or reinforced glass58
32110200Strengthened or reinforced glass10
32110201Laminated glass25
32110202Tempered glass23
321103Construction glass341
32110300Construction glass49
32110301Building glass, flat14
32110302Insulating glass, sealed units36
32110303Skylight glass21
32110304Structural glass10
32110305Window glass, clear and colored211
321104Plate and sheet glass23
32110400Plate and sheet glass14
32110401Plate glass, polished and rough7
32110402Sheet glass2
321199Flat glass, nec32
32119901Antique glass21
32119902Cathedral glass2
32119903Float glass6
32119904Opalescent glass, flat0
32119905Picture glass3