Includes
Asphalt; Cinders; Gravel; Lime; Sand; Rough Dimension Stone, including Rubble; Cement; Ballast.

Excludes
Block, Shaped; Brick.

Possible NAICS Codes
212321 – Construction Sand and Gravel Mining
423710 – Hardware Merchant Wholesalers
327320 – Ready-Mix Concrete Manufacturing
212312 – Crushed and Broken Limestone Mining and Quarrying
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
212319 – Other Crushed and Broken Stone Mining and Quarrying
324121 – Asphalt Paving Mixture and Block Manufacturing
327992 – Ground or Treated Mineral and Earth Manufacturing
327999 – All Other Miscellaneous Nonmetallic Mineral Product Manufacturing
423320 – Brick, Stone, and Related Construction Material Merchant Wholesalers

Includes
Expanded Metal Lath; Airplane Landing Mats; Traction Mats.

Possible NAICS Codes
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
339999 – All Other Miscellaneous Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing

Includes
Clays and other Earths; Mica; Asbestos; Crude Petroleum; Graphite.

Excludes
Gravel (FSC 5610); Sand (FSC 5610); Abrasives (FSC 5350); Refractory Clays (FSC 9350).

Notes
Only bulk material will be identified in this class. Minerals are naturally occurring substances with a characteristic chemical composition that can be expressed by a formula.

Possible NAICS Codes
212390 – Other Nonmetallic Mineral Mining and Quarrying
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
212321 – Construction Sand and Gravel Mining
212319 – Other Crushed and Broken Stone Mining and Quarrying
325180 – Other Basic Inorganic Chemical Manufacturing
327992 – Ground or Treated Mineral and Earth Manufacturing
212312 – Crushed and Broken Limestone Mining and Quarrying
335991 – Carbon and Graphite Product Manufacturing
212311 – Dimension Stone Mining and Quarrying
444140 – Hardware Retailers

Includes
Augers; Crushers; Crushing, Screening, and Washing Plants and Units; Drilling Machines; Paving Breakers; Rock Drills.

Excludes
Tampers (FSC 3895).

Possible NAICS Codes
333131 – Mining Machinery and Equipment Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333618 – Other Engine Equipment Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
333120 – Construction Machinery Manufacturing
212319 – Other Crushed and Broken Stone Mining and Quarrying
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
212321 – Construction Sand and Gravel Mining
333991 – Power-Driven Handtool Manufacturing
238910 – Site Preparation Contractors

Possible NAICS Codes
561730 – Landscaping Services
238990 – All Other Specialty Trade Contractors
237990 – Other Heavy and Civil Engineering Construction
115310 – Support Activities for Forestry
236220 – Commercial and Institutional Building Construction
212319 – Other Crushed and Broken Stone Mining and Quarrying
237310 – Highway, Street, and Bridge Construction
238910 – Site Preparation Contractors
561210 – Facilities Support Services

Description
Other Natural Resources and Conservation Services

Possible NAICS Codes
115310 – Support Activities for Forestry
541620 – Environmental Consulting Services
481212 – Nonscheduled Chartered Freight Air Transportation
541690 – Other Scientific and Technical Consulting Services
561730 – Landscaping Services
562910 – Remediation Services
238910 – Site Preparation Contractors
541330 – Engineering Services
541380 – Testing Laboratories and Services
541990 – All Other Professional, Scientific, and Technical Services

Includes
Brickmaking Machinery.

Possible NAICS Codes
327390 – Other Concrete Product Manufacturing
238110 – Poured Concrete Foundation and Structure Contractors
327320 – Ready-Mix Concrete Manufacturing
327331 – Concrete Block and Brick Manufacturing
212321 – Construction Sand and Gravel Mining
212312 – Crushed and Broken Limestone Mining and Quarrying
332311 – Prefabricated Metal Building and Component Manufacturing
423310 – Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers
444180 – Other Building Material Dealers
212319 – Other Crushed and Broken Stone Mining and Quarrying

Possible NAICS Codes
483111 – Deep Sea Freight Transportation

Description
Demolition of Structures or Facilities (Other than Buildings)

Possible NAICS Codes
238910 – Site Preparation Contractors
236220 – Commercial and Institutional Building Construction
562910 – Remediation Services
238990 – All Other Specialty Trade Contractors
237990 – Other Heavy and Civil Engineering Construction

Description
Other Professional Services

Possible NAICS Codes
493190 – Other Warehousing and Storage
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
541330 – Engineering Services

Description
Tile, Brick, and Block

Includes
Concrete Building Block; Cinder Block; Slag Brick; Cut Stone; Cut and Polished Stone; Ceramic Floor and Wall Tile; Architectural Terra Cotta; Concrete Slabs and Grilles.

Excludes
Glass Building Block (FSC 9340)

Possible NAICS Codes
327331 – Concrete Block and Brick Manufacturing
238340 – Tile and Terrazzo Contractors
238990 – All Other Specialty Trade Contractors
327390 – Other Concrete Product Manufacturing
314110 – Carpet and Rug Mills
423320 – Brick, Stone, and Related Construction Material Merchant Wholesalers
327120 – Clay Building Material and Refractories Manufacturing
327991 – Cut Stone and Stone Product Manufacturing
238110 – Poured Concrete Foundation and Structure Contractors
236220 – Commercial and Institutional Building Construction

Notes
This class includes, and is restricted to, devices the operation of which is based on principles involving the stimulated emission of radiation, and to associated components and accessories directly related to stimulated coherent radiation techniques. The methods for producing the radiation are those obtained by LASER (Light Amplification by Stimulated Emission of Radiation) and by MASER (Microwave and/or Molecular Amplification by Stimulated Emission of Radiation) techniques. Only those items specifically designed for stimulated coherent radiation applications, and having no other application, are to be included in this class. Assemblies or major systems containing such devices are excluded from this class.

Possible NAICS Codes
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
334519 – Other Measuring and Controlling Device Manufacturing
332721 – Precision Turned Product Manufacturing
334517 – Irradiation Apparatus Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
334413 – Semiconductor and Related Device Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333517 – Machine Tool Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing

Description
Surface Mining Reclamation Services (non-construction)

Possible NAICS Codes
541620 – Environmental Consulting Services
212321 – Construction Sand and Gravel Mining
562910 – Remediation Services
813312 – Environment, Conservation and Wildlife Organizations
212319 – Other Crushed and Broken Stone Mining and Quarrying
237310 – Highway, Street, and Bridge Construction
541330 – Engineering Services

Description
Site Preparation

Possible NAICS Codes
238910 – Site Preparation Contractors
115310 – Support Activities for Forestry
237990 – Other Heavy and Civil Engineering Construction
562119 – Other Waste Collection
562910 – Remediation Services
115112 – Soil Preparation, Planting, and Cultivating
236220 – Commercial and Institutional Building Construction
237310 – Highway, Street, and Bridge Construction
325120 – Industrial Gas Manufacturing
541620 – Environmental Consulting Services

Description
Direct aid to tribal Governments and organizations provided by contract pursuant to Public Law (P.L.) 93-638

Possible NAICS Codes
212319 – Other Crushed and Broken Stone Mining and Quarrying
561990 – All Other Support Services