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.
306
Active NAICS codes
Manufacturing
336413Other Aircraft Parts & Auxiliary Equipment Manufacturing84334417Manufacturing34334419Other Electronic Component Manufacturing30333998All Other General Purpose Machinery Manufacturing29332722Bolt, Nut, Screw, Rivet & Washer Manufacturing29332510Hardware Manufacturing28336412Aircraft Engine & Engine Parts Manufacturing23332911Industrial Valve Manufacturing23332991Manufacturing20334519Other Measuring & Controlling Device Manufacturing20336611Ship Building & Repairing20334412Manufacturing17333310Commercial & Service Industry Machinery Manufacturing16332919Other Metal Valve & Pipe Fitting Manufacturing16339991Gasket, Packing & Sealing Device Manufacturing15335931Current-Carrying Wiring Device Manufacturing15334516Analytical Laboratory Instrument Manufacturing14332999All Other Miscellaneous Fabricated Metal Product Manufacturing12333415Manufacturing11335311Power, Distribution & Specialty Transformer Manufacturing11332996Fabricated Pipe & Pipe Fitting Manufacturing11334220Manufacturing11333613Mechanical Power Transmission Equipment Manufacturing11332992Manufacturing10332994Small Arms, Ordnance & Accessories Manufacturing10334511Search, Detection, Navigation & Guidance Instrument Manufacturing10335999All Other Miscellaneous Electrical Equipment Manufacturing10334513Manufacturing10339113Manufacturing10333618Other Engine Equipment Manufacturing9335312Motor & Generator Manufacturing9334515Manufacturing8333914Measuring, Dispensing & Other Pumping Equipment Manufacturing8333413Manufacturing8334290Manufacturing8334413Semiconductor & Related Device Manufacturing7325412Manufacturing7333996Fluid Power Pump & Motor Manufacturing7332439Manufacturing7336320Manufacturing6334512Manufacturing6339112Surgical & Medical Instrument Manufacturing6334310Manufacturing6335314Manufacturing6334510Manufacturing5335139Manufacturing5336390Other Motor Vehicle Parts Manufacturing5336350Manufacturing5333120Manufacturing5334416Capacitor, Resistor, Coil & Transformer Manufacturing4336310Manufacturing4326220Manufacturing4333414Manufacturing4334514Manufacturing4325920Manufacturing4333923Manufacturing4332618Manufacturing4335313Manufacturing4337127Manufacturing3314999Manufacturing3314910Manufacturing3337214Manufacturing3333517Manufacturing3332613Manufacturing3333924Manufacturing3333922Manufacturing3315990Manufacturing3336999Manufacturing3334418Manufacturing3335910Manufacturing3337215Manufacturing3336110Manufacturing3333992Manufacturing3333611Manufacturing3335991Manufacturing2325211Manufacturing2337920Manufacturing2336212Manufacturing2333248Manufacturing2331210Manufacturing2333991Manufacturing2332710Manufacturing2336411Manufacturing2315210Manufacturing2333612Manufacturing2332119Manufacturing2332216Manufacturing2334118Manufacturing2336330Manufacturing2332912Manufacturing2332313Manufacturing2334111Manufacturing2332312Manufacturing2311991Manufacturing2337126Manufacturing1335932Manufacturing1331420Manufacturing1323113Manufacturing1331512Manufacturing1331491Manufacturing1339950Manufacturing1336419Manufacturing1333112Manufacturing1315120Manufacturing1313220Manufacturing1331318Manufacturing1339999Manufacturing1336612Manufacturing1311999Manufacturing1333111Manufacturing1336211Manufacturing1332112Manufacturing1332721Manufacturing1321912Manufacturing1339940Manufacturing1336992Manufacturing1334210Manufacturing1336214Manufacturing1332311Manufacturing1335131Manufacturing1339920Manufacturing1325611Manufacturing1333994Manufacturing1327332Manufacturing1325120Manufacturing1332117Manufacturing1322211Manufacturing1334517Manufacturing1332913Manufacturing1336340Manufacturing1326130Manufacturing1335929Manufacturing1325612Manufacturing1327999Manufacturing1326122Manufacturing1321991Manufacturing1325510Manufacturing1325413Manufacturing1335921Manufacturing1326199Manufacturing1336414Manufacturing1331110Manufacturing1
Construction
236220Commercial & Institutional Building Construction82237990Other Heavy & Civil Engineering Construction29238220Plumbing, Heating & Air-Conditioning Contractors27237310Highway, Street & Bridge Construction18238210Electrical Contractors17238290Construction12238990All Other Specialty Trade Contractors10237130Construction6237110Construction6238160Construction5236118Construction4238910Construction4238150Construction3238320Construction3238190Construction2236210Construction2238350Construction1238330Construction1238140Construction1236115Construction1238110Construction1237120Construction1
Professional, Scientific & Technical Services
541330Engineering Services26541519Professional, Scientific & Technical Services22541990Professional, Scientific & Technical Services9541611Administrative & General Management Consulting7541380Professional, Scientific & Technical Services7541715Research & Development in the Physical, Engineering & Life Sciences7541690Other Scientific & Technical Consulting Services7541512Computer Systems Design Services4541714Professional, Scientific & Technical Services3541720Professional, Scientific & Technical Services3541350Professional, Scientific & Technical Services3541620Professional, Scientific & Technical Services3541513Professional, Scientific & Technical Services2541370Professional, Scientific & Technical Services2541511Custom Computer Programming Services2541930Professional, Scientific & Technical Services1541360Professional, Scientific & Technical Services1541211Professional, Scientific & Technical Services1541110Professional, Scientific & Technical Services1541612Professional, Scientific & Technical Services1541810Professional, Scientific & Technical Services1541614Professional, Scientific & Technical Services1541910Professional, Scientific & Technical Services1
Administrative, Support & Waste Management
561730Landscaping Services15561210Facilities Support Services13561612Security Guards & Patrol Services11561621Administrative, Support & Waste Management9561720Janitorial Services8562111Administrative, Support & Waste Management7562910Remediation Services5562991Administrative, Support & Waste Management4561790Administrative, Support & Waste Management3561499Administrative, Support & Waste Management2561110Administrative, Support & Waste Management2561710Administrative, Support & Waste Management2562119Administrative, Support & Waste Management1562211Administrative, Support & Waste Management1561421Administrative, Support & Waste Management1561611Administrative, Support & Waste Management1561990Administrative, Support & Waste Management1561320Administrative, Support & Waste Management1561450Administrative, Support & Waste Management1562998Administrative, Support & Waste Management1562112Administrative, Support & Waste Management1
Other Services (except Public Administration)
811310Commercial & Industrial Machinery Repair & Maintenance19811210Other Services (except Public Administration)14811111Other Services (except Public Administration)3813110Other Services (except Public Administration)3812331Other Services (except Public Administration)3812320Other Services (except Public Administration)1812910Other Services (except Public Administration)1811420Other Services (except Public Administration)1812332Other Services (except Public Administration)1811412Other Services (except Public Administration)1812930Other Services (except Public Administration)1813312Other Services (except Public Administration)1811114Other Services (except Public Administration)1
Transportation & Warehousing
488190Transportation & Warehousing8484210Transportation & Warehousing3484121Transportation & Warehousing2492110Transportation & Warehousing2485991Transportation & Warehousing2483111Transportation & Warehousing2493110Transportation & Warehousing2484110Transportation & Warehousing2493190Transportation & Warehousing1484220Transportation & Warehousing1491110Transportation & Warehousing1481219Transportation & Warehousing1481211Transportation & Warehousing1488510Transportation & Warehousing1488320Transportation & Warehousing1481212Transportation & Warehousing1
Information
Wholesale Trade
Agriculture, Forestry, Fishing & Hunting
Real Estate & Rental & Leasing
Health Care & Social Assistance
621511Health Care & Social Assistance2621112Health Care & Social Assistance2621610Health Care & Social Assistance2624310Health Care & Social Assistance2621420Health Care & Social Assistance1621991Health Care & Social Assistance1624221Health Care & Social Assistance1621111Offices of Physicians (except Mental Health)1621498Health Care & Social Assistance1621910Health Care & Social Assistance1621399Health Care & Social Assistance1621999Health Care & Social Assistance1624410Health Care & Social Assistance1