NAICS Code 32721 Glass and Glass Product Manufacturing




This industry comprises establishments primarily engaged in manufacturing glass and/or glass products. Establishments in this industry may manufacture glass and/or glass products by melting silica sand or cullet, or purchasing glass.

Cross References

Establishments primarily engaged in
  • Manufacturing glass wool (i.e., fiberglass) insulation products: classified in Industry 32799, All Other Nonmetallic Mineral Product Manufacturing
  • Manufacturing optical lenses (except ophthalmic), such as magnifying, photographic, and projection lenses: classified in Industry 33331, Commercial and Service Industry Machinery Manufacturing
  • Grinding ophthalmic (i.e., eyeglass) lenses for the trade: classified in Industry 33911, Medical Equipment and Supplies Manufacturing
  • Manufacturing fiber optic cable from purchased fiber optic strand: classified in Industry 33592, Communication and Energy Wire and Cable Manufacturing.

Industry Leaders