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North American Industry Classification System (NAICS) Codes for Extol Products:
235 Special Trade Contractor
2351 Plumbing Heating & Air Conditioning Contractor
23511 Plumbing Heating & Air Conditioning Contractor
23542 Drywall, Plastering, Acoustical & Insulation Contr.
2356 Roofing, Siding, Sheet Metal Contractor
23599 All Other Special Trade Contractors
23331 Manufacturing & Industrial Building Construction
23332 Commercial, Institutional Building Construction |
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