This U.S. Census Bureau NAICS-based industry comprises establishments primarily engaged in manufacturing plastics pipe and plastics pipe fittings.

Cross-References. Establishments primarily engaged in--

Manufacturing plastics plumbing fixtures--are classified in Industry 326191, Plastics Plumbing Fixture Manufacturing; and

Manufacturing plastics hoses--are classified in Industry 326220, Rubber and Plastics Hoses and Belting Manufacturing.