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 Glass630
321100Flat glass178
32110000Flat glass178
321101Transparent optical glass, except lenses20
32110100Transparent optical glass, except lenses7
32110101Ophthalmic glass, flat0
32110102Optical glass, flat12
32110103Spectacle glass1
321102Strengthened or reinforced glass57
32110200Strengthened or reinforced glass11
32110201Laminated glass22
32110202Tempered glass24
321103Construction glass317
32110300Construction glass50
32110301Building glass, flat15
32110302Insulating glass, sealed units30
32110303Skylight glass23
32110304Structural glass11
32110305Window glass, clear and colored188
321104Plate and sheet glass27
32110400Plate and sheet glass14
32110401Plate glass, polished and rough8
32110402Sheet glass5
321199Flat glass, nec31
32119901Antique glass20
32119902Cathedral glass2
32119903Float glass6
32119904Opalescent glass, flat0
32119905Picture glass3