KSIC 231—Manufacture of glass and glass products

Where 231 sits

1. C Manufacturing
2. 23 Manufacture of other non-metallic mineral products
3. 231 Manufacture of glass and glass products

Contains 3 narrower codes

• 2311 Manufacture of flat glass and related products
• 2312 Manufacture of industrial glass
• 2319 Manufacture of other glass products

Description

Refers to industrial activities involving the manufacture of glass, glass fibers, and other glass products of various forms and uses, including fused quartz and fused silica. It includes the manufacture of glass wool and glass yarn, and the production of wired, decorative, colored, strengthened or laminated, etched, and other processed glass.

Cross-references for 231

• Manufacture of glass yarn fabrics ( 1321 )
• Manufacture of fiber optic cables ( 28301 )
• Manufacture of medical testing equipment including syringes ( 271 )
• Manufacture of optical fibers ( 273 01 )
• Manufacture of optical elements (optically processed) ( 273 )
• Manufacture of powdered, granular, and flake glass products for glazing ( 20412 )

231 in other systems