NAICS UNIVERSITY · Free research for insurance agents
Cut Stone and Stone Product Manufacturing
NAICS 327991 · United States · 2022 edition
This U.S. industry comprises establishments primarily engaged in cutting, shaping, and finishing granite, marble, limestone, slate, and other stone for building and miscellaneous uses. Stone product manufacturing establishments may mine, quarry, or purchase stone.
Start the review with workers' compensation.
For Cut Stone and Stone Product Manufacturing, the saved research highlights workers' compensation, general liability / completed operations, commercial property. Confirm how these arise in the actual operation, what controls are used and whether additional services change the proposed coverage.
Questions to ask
- What stone types are primarily worked — granite, marble, limestone, slate, or engineered stone — and what cutting and grinding methods are used?
- What dust suppression and silica control measures are in place — wet cutting, local exhaust ventilation, respirator programs?
- Does the operation include installation by shop employees, or is stone sold to separate installation contractors?
- What is the total value of raw stone and finished slab inventory on premises at any given time?
- Are customer-supplied or imported slabs fabricated on a regular basis, and how are those values tracked?
- What is the fleet composition for delivery and installation — type, weight class, and radius of operation?
- For Cut Stone and Stone Product Manufacturing, what should the underwriter know about documented silica dust control deficiencies or osha citations related to air quality or dust suppression?
- For Cut Stone and Stone Product Manufacturing, what should the underwriter know about significant prior workers' comp claims, particularly occupational disease or cumulative trauma?
Activities described by this code
Other activities to examine
- Mining or quarrying stone: 2123 — Nonmetallic Mineral Mining and Quarrying;
- Buying and selling semi-finished monuments and tombstones with no work other than polishing, lettering, or shaping to custom order: 42 — Wholesale Trade, or Sector 44-45, Retail Trade
Census classification reference
For educational purposes only. AI-generated insurance research and automated logic can contain errors. Independently verify classification and coverage decisions.
Compare another operationInsurance operations research — draft
Stone fabrication facilities cut, shape, grind, and finish granite, marble, limestone, slate, and similar natural stone for countertops, flooring, wall cladding, monuments, and architectural elements. Operations typically involve large saws, CNC routing equipment, waterjet cutters, and overhead lifting equipment. Finished products are generally delivered and installed at residential or commercial job sites, sometimes by the fabricator's own crew.
Questions to investigate
- What stone types are primarily worked — granite, marble, limestone, slate, or engineered stone — and what cutting and grinding methods are used?
- What dust suppression and silica control measures are in place — wet cutting, local exhaust ventilation, respirator programs?
- Does the operation include installation by shop employees, or is stone sold to separate installation contractors?
- What is the total value of raw stone and finished slab inventory on premises at any given time?
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.