Establishments primarily engaged in manufacturing glass and glassware, not elsewhere classified, pressed, blown, or shaped from glass produced in the same establishment. Establishments primarily engaged in manufacturing textile glass fibers are also included in this industry, but establishments primarily engaged in manufacturing glass wool insulation products are classified in Industry 3296. Establishments primarily engaged in manufacturing fiber optic cables are classified in Industry 3357, and those manufacturing fiber optic medical devices are classified in Industry Group 384. Establishments primarily engaged in the production of pressed lenses for vehicular lighting, beacons, and lanterns are also included in this industry, but establishments primarily engaged in the production of optical lenses are classified in Industry 3827. Establishments primarily engaged in manufacturing glass containers are classified in Industry 3221, and those manufacturing complete electric light bulbs are classified in Industry 3641.

• Art glassware, made in glassmaking plants
• Ashtrays, glass
• Barware, glass
• Battery jars, glass
• Blocks, glass
• Bowls, glass
• Bulbs for electric lights, without filaments or sockets-mitse
• Candlesticks, glass
• Centerpieces, glass
• Chimneys, lamp: glass-pressed or blown
• Christmas tree ornaments, from glass-mitse
• Clip cups, glass
• Cooking utensils, glass and glass ceramic
• Drinking straws, glass
• Fiber optics strands
• Fibers, glass, textile
• Flameware, glass and glass ceramic
• Frying pans, glass and glass ceramic
• Glass blanks for electric light bulbs
• Glass brick
• Glassware, except glass containers for packing, bottling, and canning
• Glassware: art, decorative, and novelty
• Goblets, glass
• Illuminating glass: light shades, reflectors, lamp chimneys, and globes
• Industrial glassware and glass products, pressed or blown
• Ink-Wells, glass
• Insulators, electrical: glass
• Lamp parts, glass
• Lamp shades, glass
• Lantern globes, glass: pressed or blown
• Lens blanks, optical and ophthalmic
• Lenses, glass: for lanterns, flashlights, headlights, and searchlights
• Level vials for instruments, glass
• Light shades, glass: pressed or blown
• Lighting glassware, pressed or blown
• Novelty glassware: made in glassmaking plants
• Ophthalmic glass, except flat
• Optical glass blanks
• Photomask blanks, glass
• Reflectors for lighting equipment, glass: pressed or blown
• Refrigerator dishes and jars, glass
• Scientific glassware, pressed or blown: made in glassmaking plants
• Stemware, glass
• Tableware, glass and glass ceramic
• Tea kettles, glass and glass ceramic
• Technical glassware and glass products, pressed or blown
• Television tube blanks, glass
• Textile glass fibers
• Tobacco jars, glass
• Trays, glass
• Tubing, glass
• Tumblers, glass
• Vases, glass
• Yarn, fiberglass: made in glass plants