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

Includes
Portable Abrasive Cutting Machines; Portable Drilling Machines, Portable Slotters and Shapers.

Excludes
Stationary Type Machine Tools mounted on portable devices such as wheel or leg type stands.

Possible NAICS Codes
339999 – All Other Miscellaneous Manufacturing
333991 – Power-Driven Handtool Manufacturing
333517 – Machine Tool Manufacturing
332510 – Hardware Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
332710 – Machine Shops
333120 – Construction Machinery Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing
334519 – Other Measuring and Controlling Device Manufacturing

Includes
Buxite; Ferrous Ores; Lead Ores; Precious Metal Ores; Radioactive Metal Ores; Zinc Ores.

Notes
Only bulk material will be identified in this class. Ores are a naturally occurring material from which economically valuable minerals can be obtained.

Possible NAICS Codes
322299 – All Other Converted Paper Product Manufacturing
212114 – Surface Coal Mining
325199 – All Other Basic Organic Chemical Manufacturing
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
334517 – Irradiation Apparatus Manufacturing
212290 – Other Metal Ore Mining
212321 – Construction Sand and Gravel Mining
311911 – Roasted Nuts and Peanut Butter Manufacturing
323111 – Commercial Printing (except Screen and Books)
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding

Description
Defense Studies

Possible NAICS Codes
541990 – All Other Professional, Scientific, and Technical Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541330 – Engineering Services
541611 – Administrative Management and General Management Consulting Services