NAICS 339991 — Gasket, Packing, and Sealing Device Manufacturing 
BEA sector: All other miscellaneous manufacturing
Activity: Coaxial mechanical face seals manufacturing
Activity: Compression packings manufacturing
Activity: Gasket, packing, and sealing devices manufacturing
Activity: Gaskets manufacturing
Activity: Grease seals manufacturing
Activity: Molded packings and seals manufacturing
Activity: Oil seals manufacturing
Activity: Seals, grease or oil, manufacturing