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.
269
Active NAICS codes
Manufacturing
336413Other Aircraft Parts & Auxiliary Equipment Manufacturing72332911Industrial Valve Manufacturing55332722Bolt, Nut, Screw, Rivet & Washer Manufacturing34332510Hardware Manufacturing34334419Other Electronic Component Manufacturing30333998All Other General Purpose Machinery Manufacturing29336611Ship Building & Repairing25339991Gasket, Packing & Sealing Device Manufacturing20333613Mechanical Power Transmission Equipment Manufacturing20332996Fabricated Pipe & Pipe Fitting Manufacturing19332999All Other Miscellaneous Fabricated Metal Product Manufacturing18332994Small Arms, Ordnance & Accessories Manufacturing15332919Other Metal Valve & Pipe Fitting Manufacturing15336412Aircraft Engine & Engine Parts Manufacturing14334516Analytical Laboratory Instrument Manufacturing14333310Commercial & Service Industry Machinery Manufacturing14334519Other Measuring & Controlling Device Manufacturing13335311Power, Distribution & Specialty Transformer Manufacturing12335312Motor & Generator Manufacturing12335931Current-Carrying Wiring Device Manufacturing11334511Search, Detection, Navigation & Guidance Instrument Manufacturing11339112Surgical & Medical Instrument Manufacturing10333996Fluid Power Pump & Motor Manufacturing10334413Semiconductor & Related Device Manufacturing10334416Capacitor, Resistor, Coil & Transformer Manufacturing10336390Other Motor Vehicle Parts Manufacturing10335999All Other Miscellaneous Electrical Equipment Manufacturing10333618Other Engine Equipment Manufacturing10333912Air & Gas Compressor Manufacturing10334220Manufacturing9334515Manufacturing9339113Manufacturing9333914Measuring, Dispensing & Other Pumping Equipment Manufacturing9332992Manufacturing8334513Manufacturing8334412Manufacturing8336411Manufacturing8334417Manufacturing8332991Manufacturing8335910Manufacturing7334418Manufacturing7325412Manufacturing6336350Manufacturing6332912Manufacturing6336310Manufacturing6335314Manufacturing6332618Manufacturing6334290Manufacturing6335313Manufacturing5339999Manufacturing5337215Manufacturing5326220Manufacturing5336360Manufacturing5333415Manufacturing5315990Manufacturing5333924Manufacturing4333120Manufacturing4336110Manufacturing4336330Manufacturing4333413Manufacturing4336992Manufacturing4311999Manufacturing4334310Manufacturing4333517Manufacturing4336999Manufacturing4314999Manufacturing3325120Manufacturing3325920Manufacturing3325998Manufacturing3332216Manufacturing3332321Manufacturing3332410Manufacturing3332613Manufacturing3333414Manufacturing3333611Manufacturing3334510Manufacturing3336320Manufacturing3336214Manufacturing2332312Manufacturing2326299Manufacturing2332311Manufacturing2323113Manufacturing2337214Manufacturing2333515Manufacturing2332710Manufacturing2335929Manufacturing2332439Manufacturing2335932Manufacturing2333248Manufacturing2315210Manufacturing2325414Manufacturing2311911Manufacturing2339992Manufacturing2332313Manufacturing2325413Manufacturing2334512Manufacturing2333991Manufacturing2334514Manufacturing2333241Manufacturing2333612Manufacturing2336212Manufacturing2324110Manufacturing1322230Manufacturing1322211Manufacturing1321918Manufacturing1321912Manufacturing1311991Manufacturing1311812Manufacturing1311211Manufacturing1311119Manufacturing1334210Manufacturing1333995Manufacturing1333923Manufacturing1335131Manufacturing1333519Manufacturing1335139Manufacturing1333111Manufacturing1332420Manufacturing1336120Manufacturing1336340Manufacturing1332119Manufacturing1332112Manufacturing1336370Manufacturing1332111Manufacturing1331529Manufacturing1331315Manufacturing1331210Manufacturing1336414Manufacturing1327390Manufacturing1336612Manufacturing1326211Manufacturing1337126Manufacturing1326191Manufacturing1337910Manufacturing1326122Manufacturing1325611Manufacturing1339920Manufacturing1339940Manufacturing1339994Manufacturing1325211Manufacturing1
Construction
236220Commercial & Institutional Building Construction50238220Plumbing, Heating & Air-Conditioning Contractors28237990Other Heavy & Civil Engineering Construction21237310Highway, Street & Bridge Construction14238990All Other Specialty Trade Contractors11238210Electrical Contractors7238910Construction5238290Construction5236118Construction3237130Construction3238160Construction3237110Construction2238390Construction1238330Construction1238320Construction1238190Construction1238120Construction1238110Construction1236210Construction1236115Construction1
Professional, Scientific & Technical Services
541519Professional, Scientific & Technical Services14541330Engineering Services14541990Professional, Scientific & Technical Services9541715Research & Development in the Physical, Engineering & Life Sciences7541690Other Scientific & Technical Consulting Services6541611Administrative & General Management Consulting4541512Computer Systems Design Services4541511Custom Computer Programming Services4541620Professional, Scientific & Technical Services3541820Professional, Scientific & Technical Services3541350Professional, Scientific & Technical Services2541380Professional, Scientific & Technical Services2541110Professional, Scientific & Technical Services1541614Professional, Scientific & Technical Services1541714Professional, Scientific & Technical Services1541720Professional, Scientific & Technical Services1541810Professional, Scientific & Technical Services1541930Professional, Scientific & Technical Services1
Administrative, Support & Waste Management
561210Facilities Support Services10561730Landscaping Services9562910Remediation Services8562991Administrative, Support & Waste Management6561621Administrative, Support & Waste Management6561720Janitorial Services5562111Administrative, Support & Waste Management4561612Security Guards & Patrol Services4561990Administrative, Support & Waste Management4561710Administrative, Support & Waste Management3561790Administrative, Support & Waste Management3561320Administrative, Support & Waste Management2561499Administrative, Support & Waste Management2562998Administrative, Support & Waste Management2561410Administrative, Support & Waste Management1561421Administrative, Support & Waste Management1561450Administrative, Support & Waste Management1561740Administrative, Support & Waste Management1562112Administrative, Support & Waste Management1562211Administrative, Support & Waste Management1
Other Services (except Public Administration)
811310Commercial & Industrial Machinery Repair & Maintenance15811210Other Services (except Public Administration)11812320Other Services (except Public Administration)4813110Other Services (except Public Administration)4811111Other Services (except Public Administration)2812331Other Services (except Public Administration)2
Real Estate & Rental & Leasing
Wholesale Trade
Transportation & Warehousing
483111Transportation & Warehousing3484210Transportation & Warehousing3485510Transportation & Warehousing2492110Transportation & Warehousing2493190Transportation & Warehousing2484121Transportation & Warehousing1484220Transportation & Warehousing1488190Transportation & Warehousing1488320Transportation & Warehousing1491110Transportation & Warehousing1493110Transportation & Warehousing1
Information
Agriculture, Forestry, Fishing & Hunting
Health Care & Social Assistance
621111Offices of Physicians (except Mental Health)2621511Health Care & Social Assistance2621112Health Care & Social Assistance1621340Health Care & Social Assistance1621498Health Care & Social Assistance1621910Health Care & Social Assistance1621991Health Care & Social Assistance1623990Health Care & Social Assistance1624210Health Care & Social Assistance1624310Health Care & Social Assistance1