NAICS industry codes
Browse opportunities by NAICS code
NAICS codes classify what the government is buying. Find your codes to see exactly what's open, which agencies buy it, and recent awards — the way contracting officers and bidders search.
280
Active NAICS codes
Manufacturing
336413Other Aircraft Parts & Auxiliary Equipment Manufacturing51332911Industrial Valve Manufacturing35336611Ship Building & Repairing27332919Other Metal Valve & Pipe Fitting Manufacturing23332510Hardware Manufacturing23334419Other Electronic Component Manufacturing20332722Bolt, Nut, Screw, Rivet & Washer Manufacturing17332999All Other Miscellaneous Fabricated Metal Product Manufacturing17336390Other Motor Vehicle Parts Manufacturing17334412Manufacturing16334516Analytical Laboratory Instrument Manufacturing15333998All Other General Purpose Machinery Manufacturing15334220Manufacturing14333618Other Engine Equipment Manufacturing13339991Gasket, Packing & Sealing Device Manufacturing13334511Search, Detection, Navigation & Guidance Instrument Manufacturing12336412Aircraft Engine & Engine Parts Manufacturing12333613Mechanical Power Transmission Equipment Manufacturing12335313Manufacturing12335312Motor & Generator Manufacturing12335931Current-Carrying Wiring Device Manufacturing11336350Manufacturing10334417Manufacturing10335999All Other Miscellaneous Electrical Equipment Manufacturing10332994Small Arms, Ordnance & Accessories Manufacturing10332992Manufacturing10332912Manufacturing9335311Power, Distribution & Specialty Transformer Manufacturing9334310Manufacturing9335314Manufacturing8334513Manufacturing8332439Manufacturing8332710Manufacturing7333914Measuring, Dispensing & Other Pumping Equipment Manufacturing7333996Fluid Power Pump & Motor Manufacturing6333413Manufacturing6334416Capacitor, Resistor, Coil & Transformer Manufacturing6326220Manufacturing6332996Fabricated Pipe & Pipe Fitting Manufacturing6334519Other Measuring & Controlling Device Manufacturing6333120Manufacturing6333310Commercial & Service Industry Machinery Manufacturing6334515Manufacturing6336360Manufacturing5334413Semiconductor & Related Device Manufacturing5336310Manufacturing5336992Manufacturing5334418Manufacturing5325412Manufacturing5336612Manufacturing4336320Manufacturing4332991Manufacturing4334111Manufacturing4327999Manufacturing3334290Manufacturing3311421Manufacturing3334514Manufacturing3333912Air & Gas Compressor Manufacturing3332618Manufacturing3333924Manufacturing3331420Manufacturing3333415Manufacturing3339113Manufacturing3335910Manufacturing3333612Manufacturing3337127Manufacturing3332119Manufacturing2339112Surgical & Medical Instrument Manufacturing2336211Manufacturing2325920Manufacturing2325120Manufacturing2336212Manufacturing2337215Manufacturing2326299Manufacturing2336411Manufacturing2334510Manufacturing2333992Manufacturing2336419Manufacturing2332216Manufacturing2315990Manufacturing2339920Manufacturing2324110Manufacturing2331491Manufacturing2334517Manufacturing2326211Manufacturing1333923Manufacturing1332321Manufacturing1335921Manufacturing1332993Manufacturing1333241Manufacturing1336414Manufacturing1311512Manufacturing1335932Manufacturing1333611Manufacturing1331523Manufacturing1336110Manufacturing1332312Manufacturing1311991Manufacturing1339993Manufacturing1315120Manufacturing1311911Manufacturing1325992Manufacturing1331318Manufacturing1333111Manufacturing1334118Manufacturing1332721Manufacturing1316210Manufacturing1336330Manufacturing1339999Manufacturing1325998Manufacturing1336999Manufacturing1311999Manufacturing1335220Manufacturing1332420Manufacturing1335131Manufacturing1332311Manufacturing1332112Manufacturing1313320Manufacturing1333994Manufacturing1322211Manufacturing1333922Manufacturing1336415Manufacturing1332913Manufacturing1322219Manufacturing1321215Manufacturing1336340Manufacturing1313210Manufacturing1335929Manufacturing1333921Manufacturing1325199Manufacturing1326122Manufacturing1326199Manufacturing1332613Manufacturing1336991Manufacturing1332410Manufacturing1333517Manufacturing1337214Manufacturing1311411Manufacturing1337121Manufacturing1316990Manufacturing1325413Manufacturing1314910Manufacturing1315210Manufacturing1
Construction
236220Commercial & Institutional Building Construction49238220Plumbing, Heating & Air-Conditioning Contractors23237310Highway, Street & Bridge Construction18237990Other Heavy & Civil Engineering Construction16238990All Other Specialty Trade Contractors14238210Electrical Contractors14237130Construction6238290Construction5237110Construction5238160Construction4238320Construction4238910Construction4237120Construction3236118Construction2238330Construction2236210Construction2238140Construction1236115Construction1238190Construction1
Professional, Scientific & Technical Services
541519Professional, Scientific & Technical Services28541330Engineering Services16541715Research & Development in the Physical, Engineering & Life Sciences10541990Professional, Scientific & Technical Services9541611Administrative & General Management Consulting7541512Computer Systems Design Services5541714Professional, Scientific & Technical Services4541690Other Scientific & Technical Consulting Services4541511Custom Computer Programming Services3541620Professional, Scientific & Technical Services3541380Professional, Scientific & Technical Services2541513Professional, Scientific & Technical Services1541110Professional, Scientific & Technical Services1541350Professional, Scientific & Technical Services1541910Professional, Scientific & Technical Services1541930Professional, Scientific & Technical Services1541370Professional, Scientific & Technical Services1
Administrative, Support & Waste Management
561621Administrative, Support & Waste Management11561612Security Guards & Patrol Services9561720Janitorial Services8561730Landscaping Services7561210Facilities Support Services5562991Administrative, Support & Waste Management5561990Administrative, Support & Waste Management3561710Administrative, Support & Waste Management3561790Administrative, Support & Waste Management2562111Administrative, Support & Waste Management2562910Remediation Services1562211Administrative, Support & Waste Management1561320Administrative, Support & Waste Management1561920Administrative, Support & Waste Management1562998Administrative, Support & Waste Management1561499Administrative, Support & Waste Management1561450Administrative, Support & Waste Management1
Wholesale Trade
423440Wholesale Trade12423990Wholesale Trade11423210Wholesale Trade2423830Wholesale Trade2423430Wholesale Trade1423610Wholesale Trade1423130Wholesale Trade1423460Wholesale Trade1423910Wholesale Trade1423740Wholesale Trade1423450Wholesale Trade1423730Wholesale Trade1423720Wholesale Trade1424710Wholesale Trade1
Other Services (except Public Administration)
811210Other Services (except Public Administration)18811310Commercial & Industrial Machinery Repair & Maintenance6813110Other Services (except Public Administration)5812320Other Services (except Public Administration)1812930Other Services (except Public Administration)1813312Other Services (except Public Administration)1813920Other Services (except Public Administration)1811114Other Services (except Public Administration)1
Information
Agriculture, Forestry, Fishing & Hunting
Health Care & Social Assistance
621511Health Care & Social Assistance3621498Health Care & Social Assistance2621399Health Care & Social Assistance2622110Health Care & Social Assistance2621420Health Care & Social Assistance1621991Health Care & Social Assistance1621111Offices of Physicians (except Mental Health)1623990Health Care & Social Assistance1621340Health Care & Social Assistance1