NAICS Code Description



32721 - Glass and Glass Product Manufacturing

Top Businesses by Annual Sales for 32721 – Click for Complete Profiles:

Owens-Illinois IncMagna Mirrors America Inc
Owens-Illinois Group IncPittsburgh Glass Works LLC
Owens-Brockway Packaging IncAGC Flat Glass North Amer Inc
Certainteed LLCOldcastle Buildingenvelope Inc
Gentex CorporationLibbey Inc

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 from purchased glass.

Cross-References. Establishments primarily engaged in--

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

NAICS Codes that fall under 32721 - Glass and Glass Product Manufacturing