iDoGrants by Holly Zink

Academic Writing, Grantsmanship, and Business Strategy

Defining Small and Medium/Large Businesses by Sub-Industry

The definition of firm size is established by the U.S. Small Business Administration’s definition of a small business. SBA’s Table of Size Standards defines North American Industry Classification System (NAICS) codes that vary widely by industry, revenue, and employment.

  Small Business
Size Standards
Size Standards
NAICS CodeNAICS Industry Description(in millions of dollars)(number of employees)(in millions of dollars)(number of employees)
113110Timber Tract Operations$12.0 >$12.0
113210Forest Nurseries and Gathering of Forest Products$12.0 >$12.0
211120Crude Petroleum Extraction1,250>1,250
211130Natural Gas Extraction1,250>1,250
221111Hydroelectric Power Generation500 >500
221112Fossil Fuel Electric Power Generation750 >750
221113Nuclear Electric Power Generation750 >750
221114Solar Electric Power Generation250 >250
221115Wind Electric Power Generation250 >250
221116Geothermal Electric Power Generation250 >250
221117Biomass Electric Power Generation250 >250
221118Other Electric Power Generation250 >250
221121Electric Bulk Power Transmission and Control500 >500
221122Electric Power Distribution1,000 >1,000
324110Petroleum Refineries41,500 >1,500
324121Asphalt Paving Mixture and Block Manufacturing500 >500
324122Asphalt Shingle and Coating Materials Manufacturing750 >750
324191Petroleum Lubricating Oil and Grease Manufacturing750 >750
324199All Other Petroleum and Coal Products Manufacturing500 >500
325110Petrochemical Manufacturing1,000 >1,000
325120Industrial Gas Manufacturing1,000 >1,000
325130Synthetic Dye and Pigment Manufacturing1,000 >1,000
325180Other Basic Inorganic Chemical Manufacturing1,000 >1,000
325193Ethyl Alcohol Manufacturing1,000 >1,000
325194Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing1,250 >1,250
325199All Other Basic Organic Chemical Manufacturing 1,250 >1,250
325211Plastics Material and Resin Manufacturing1,250 >1,250
325212Synthetic Rubber Manufacturing1,000 >1,000
325220Artificial and Synthetic Fibers and Filaments Manufacturing1,000 >1,000
325311Nitrogenous Fertilizer Manufacturing1,000 >1,000
325312Phosphatic Fertilizer Manufacturing750 >750
325314Fertilizer (Mixing Only) Manufacturing500 >500
325320Pesticide and Other Agricultural Chemical Manufacturing1,000 >1,000
325411Medicinal and Botanical Manufacturing1,000 >1,000
325412Pharmaceutical Preparation Manufacturing1,250 >1,250
325413In-Vitro Diagnostic Substance Manufacturing1,250 >1,250
325414Biological Product (except Diagnostic) Manufacturing1,250 >1,250
325510Paint and Coating Manufacturing1,000 >1,000
325520Adhesive Manufacturing500 >500
325910Printing Ink Manufacturing500 >500
325920Explosives Manufacturing750 >750
325991Custom Compounding of Purchased Resins500 >500
325992Photographic Film, Paper, Plate and Chemical Manufacturing1,500 >1,500
325998All Other Miscellaneous Chemical Product and Preparation Manufacturing500 >500
333241Food Product Machinery Manufacturing500 >500
333242Semiconductor Machinery Manufacturing1,500 >1,500
333243Sawmill, Woodworking, and Paper Machinery Manufacturing500 >500
333244Printing Machinery and Equipment Manufacturing750 >750
333249Other Industrial Machinery Manufacturing500 >500
333314Optical Instrument and Lens Manufacturing500 >500
333316Photographic and Photocopying Equipment Manufacturing1,000 >1,000
333318Other Commercial and Service Industry Machinery Manufacturing1,000 >1,000
333611Turbine and Turbine Generator Set Unit Manufacturing1,500 >1,500
333612Speed Changer, Industrial High-Speed Drive and Gear Manufacturing750 >750
333613Mechanical Power Transmission Equipment Manufacturing750 >750
333618Other Engine Equipment Manufacturing1,500 >1,500
333912Air and Gas Compressor Manufacturing1,000 >1,000
333914Measuring, Dispensing, and Other Pumping Equipment Manufacturing750>750
333921Elevator and Moving Stairway Manufacturing1,000 >1,000
333922Conveyor and Conveying Equipment Manufacturing 500 >500
333923Overhead Traveling Crane, Hoist and Monorail System Manufacturing1,250 >1,250
333924Industrial Truck, Tractor, Trailer and Stacker Machinery Manufacturing750 >750
333991Power-Driven Hand Tool Manufacturing500 >500
333992Welding and Soldering Equipment Manufacturing1,250 >1,250
333993Packaging Machinery Manufacturing500 >500
333994Industrial Process Furnace and Oven Manufacturing500 >500
333995Fluid Power Cylinder and Actuator Manufacturing750 >750
333996Fluid Power Pump and Motor Manufacturing1,250 >1,250
333997Scale and Balance Manufacturing500 >500
333999All Other Miscellaneous General Purpose Machinery Manufacturing500 >500
334111Electronic Computer Manufacturing1,250 >1,250
334112Computer Storage Device Manufacturing1,250 >1,250
334118Computer Terminal and Other Computer Peripheral Equipment Manufacturing1,000 >1,000
334210Telephone Apparatus Manufacturing1,250 >1,250
334220Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing1,250 >1,250
334290Other Communications Equipment Manufacturing750 >750
334310Audio and Video Equipment Manufacturing750 >750
334412Bare Printed Circuit Board Manufacturing750 >750
334413Semiconductor and Related Device Manufacturing1,250 >1,250
334416Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing500 >500
334417Electronic Connector Manufacturing1,000 >1,000
334418Printed Circuit Assembly (Electronic Assembly) Manufacturing750 >750
334419Other Electronic Component Manufacturing750 >750
334510Electromedical and Electrotherapeutic Apparatus Manufacturing1,250 >1,250
334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing1,250 >1,250
334512Automatic Environmental Control Manufacturing for Residential, Commercial and Appliance Use500 >500
334513Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables750 >750
334514Totalizing Fluid Meter and Counting Device Manufacturing750 >750
334515Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals750 >750
334516Analytical Laboratory Instrument Manufacturing1,000 >1,000
334517Irradiation Apparatus Manufacturing1,000 >1,000
334519Other Measuring and Controlling Device Manufacturing500 >500
334613Blank Magnetic and Optical Recording Media Manufacturing1,000 >1,000
334614Software and Other Prerecorded Compact Disc, Tape, and Record Reproducing1,250 >1,250
335311Power, Distribution and Specialty Transformer Manufacturing750 >750
335312Motor and Generator Manufacturing1,250 >1,250
335313Switchgear and Switchboard Apparatus Manufacturing1,250 >1,250
335314Relay and Industrial Control Manufacturing750 >750
336411Aircraft Manufacturing1,500 >1,500
336412Aircraft Engine and Engine Parts Manufacturing1,500 >1,500
336413Other Aircraft Part and Auxiliary Equipment Manufacturing7 1,250 >1,250
336414Guided Missile and Space Vehicle Manufacturing1,250 >1,250
336415Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing1,250 >1,250
336419Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing1,000 >1,000
336991Motorcycle, Bicycle and Parts Manufacturing1,000 >1,000
336992Military Armored Vehicle, Tank and Tank Component Manufacturing1,500 >1,500
336999All Other Transportation Equipment Manufacturing 1,000 >1,000
423410Photographic Equipment and Supplies Merchant Wholesalers200 >200
423420Office Equipment Merchant Wholesalers200 >200
423430Computer and Computer Peripheral Equipment and Software Merchant Wholesalers250 >250
423440Other Commercial Equipment Merchant Wholesalers100 >100
423450Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers200 >200
423460Ophthalmic Goods Merchant Wholesalers150 >150
423490Other Professional Equipment and Supplies Merchant Wholesalers150 >150
486110Pipeline Transportation of Crude Oil1,500 >1,500
486210Pipeline Transportation of Natural Gas$30.0 >$30.0
486910Pipeline Transportation of Refined Petroleum Products1,500 >1,500
486990All Other Pipeline Transportation$40.5 >$40.5
511210Software Publishers20$41.5 >$41.5
517410Satellite Telecommunications$35.0 >$35.0
517911Telecommunications Resellers1,500 >1,500
517919All Other Telecommunications$35.0 >$35.0
518210Data Processing, Hosting, and Related Services$35.0 >$35.0
519130Internet Publishing and Broadcasting and Web Search Portals1,000 >1,000
523210Securities and Commodity Exchanges$41.5 >$41.5
541310Architectural Services$8.0 >$8.0
541320Landscape Architectural Services$8.0 >$8.0
541330Engineering Services$16.5 >$16.5
541340Drafting Services$8.0 >$8.0
541350Building Inspection Services$8.0 >$8.0
541360Geophysical Surveying and Mapping Services$16.5 >$16.5
541370Surveying and Mapping (except Geophysical) Services$16.5 >$16.5
541380Testing Laboratories$16.5 >$16.5
541511Custom Computer Programming Services$30.0 >$30.0
541512Computer Systems Design Services$30.0 >$30.0
541513Computer Facilities Management Services$30.0 >$30.0
541519Other Computer Related Services$30.0 >$30.0
541611Administrative Management and General Management Consulting Services$16.5 >$16.5
541612Human Resources Consulting Services$16.5 >$16.5
541613Marketing Consulting Services$16.5 >$16.5
541614Process, Physical Distribution and Logistics Consulting Services$16.5 >$16.5
541618Other Management Consulting Services$16.5 >$16.5
541620Environmental Consulting Services$16.5 >$16.5
541690Other Scientific and Technical Consulting Services $16.5 >$16.5
541713Research and Technology in Nanotechnology111,000>1,000
541714Research and Technology in Biotechnology (except Nanobiotechnology)111,000>1,000
541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 111,000>1,000
541720Research and Development in the Social Sciences and Humanities$22.0 >$22.0
551111Offices of Bank Holding Companies$22.0 >$22.0
551112Offices of Other Holding Companies$22.0 >$22.0
561210Facilities Support Services12$41.5 >$41.5
561312Executive Search Services$30.0 >$30.0
611310Colleges, Universities, and Professional Schools500>500
811211Consumer Electronics Repair and Maintenance$8.0 >$8.0
811212Computer and Office Machine Repair and Maintenance$30.0 >$30.0
811213Communication Equipment Repair and Maintenance$12.0 >$12.0
811219Other Electronic and Precision Equipment Repair and Maintenance$22.0 >$22.0
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