NAICS UNIVERSITY · Free research for insurance agents

Roofing, Siding, and Insulation Material Merchant Wholesalers

NAICS 423330 · United States · 2022 edition

This industry comprises establishments primarily engaged in the merchant wholesale distribution of nonwood roofing and nonwood siding and insulation materials.

Activities described by this code

Other activities to examine

Census classification reference

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Insurance operations research — draft

These businesses purchase roofing materials (shingles, underlayment, flashing, membranes), siding products, and insulation materials in bulk from manufacturers and resell them to roofing and siding contractors, building supply retailers, and commercial construction firms. Operations typically involve warehouse storage, inventory management, and delivery to job sites or customer locations via an owned or leased truck fleet.

Questions to investigate

This insurance research was generated in April 2026. It has not received a complete human review. The October 12, 2026 audit checked codes and titles only, not descriptions or coverage assertions.

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