NAICS Codes for Government Contracts

NAICS code 541512 covers Computer Systems Design Services, one of the most sought-after categories in government contracting. This industry comprises establishments primarily engaged in planning and d...

NAICS code 541511 covers Custom Computer Programming Services, a critical category for government agencies seeking tailored software solutions. This industry includes establishments primarily engaged ...

NAICS code 541513 encompasses Computer Facilities Management Services, representing the government's need for professional management of IT infrastructure and data centers. This industry includes esta...

NAICS code 541519 serves as a catch-all for Other Computer Related Services not classified elsewhere, making it one of the more versatile NAICS codes for government IT contractors. This industry inclu...

NAICS code 518210 covers Data Processing, Hosting, and Related Services, representing critical infrastructure services for government IT operations. This industry includes establishments primarily eng...

NAICS code 519190 covers All Other Information Services not elsewhere classified, serving as a catch-all for information-related services. This industry includes establishments primarily engaged in pr...

NAICS code 541611 covers Administrative Management and General Management Consulting Services, representing a major category for government consulting contracts. This industry includes establishments ...

NAICS code 541612 encompasses Human Resources Consulting Services, addressing the government's extensive needs for HR advisory and support services. This industry includes establishments primarily eng...

NAICS code 541613 covers Marketing Consulting Services, supporting government agencies in their public communications and outreach efforts. This industry includes establishments primarily engaged in p...

NAICS code 541614 covers Process, Physical Distribution, and Logistics Consulting Services, addressing critical government needs for supply chain and operations improvement. This industry includes est...

NAICS code 541618 encompasses Other Management Consulting Services not classified elsewhere, serving as a versatile category for specialized consulting work. This industry includes establishments prim...

NAICS code 541620 covers Environmental Consulting Services, addressing critical government needs for environmental expertise. This industry includes establishments primarily engaged in providing advic...

NAICS code 541690 encompasses Other Scientific and Technical Consulting Services not elsewhere classified, providing a category for specialized scientific expertise. This industry includes establishme...

NAICS code 541715 covers Research and Development in the Physical, Engineering, and Life Sciences (except nanotechnology and biotechnology), representing a major category for government-funded R&D. Th...

NAICS code 541720 covers Research and Development in the Social Sciences and Humanities, addressing government needs for social science research and analysis. This industry includes establishments pri...

NAICS code 541330 covers Engineering Services, one of the largest categories in government contracting. This industry includes establishments primarily engaged in applying physical laws and principles...

NAICS code 541310 covers Architectural Services, representing the design expertise government needs for building projects. This industry includes establishments primarily engaged in planning and desig...

NAICS code 541320 covers Landscape Architectural Services, addressing government needs for outdoor space design and planning. This industry includes establishments primarily engaged in planning and de...

NAICS code 541340 covers Drafting Services, providing essential technical drawing and design documentation support. This industry includes establishments primarily engaged in creating detailed layouts...

NAICS code 541350 covers Building Inspection Services, essential for ensuring government buildings meet codes and standards. This industry includes establishments primarily engaged in providing buildi...

NAICS code 236220 covers Commercial and Institutional Building Construction, one of the largest and most competitive categories in government construction contracting. This industry includes establish...

NAICS code 236210 covers Industrial Building Construction, which includes construction of manufacturing plants, warehouses, distribution centers, and other industrial facilities. This industry include...

NAICS code 236115 covers New Single-Family Housing Construction, specifically for contractors who build on land owned by others. This industry includes establishments primarily engaged in building sin...

NAICS code 236116 covers New Multifamily Housing Construction for apartments, condominiums, and townhouses built for others on contract. This industry includes establishments primarily engaged in buil...

NAICS code 236117 covers New Housing For-Sale Builders, which includes establishments that build single-family homes, townhouses, and condominiums for sale. While this code is more commonly associated...

NAICS code 236118 covers Residential Remodelers, establishments primarily engaged in remodeling, renovating, and rehabilitating existing residential buildings. This includes general remodeling contrac...

NAICS code 237110 covers Water and Sewer Line and Related Structures Construction, a critical infrastructure category in government contracting. This industry includes establishments primarily engaged...

NAICS code 237120 covers Oil and Gas Pipeline and Related Structures Construction, including petroleum pipelines, natural gas pipelines, pump stations, and related facilities. This industry includes e...

NAICS code 237130 covers Power and Communication Line and Related Structures Construction, including electrical power lines, telecommunications lines, and cable television lines. This industry include...

NAICS code 237210 covers Land Subdivision, which includes establishments primarily engaged in servicing land and subdividing real property into lots for subsequent sale to builders. This industry invo...

NAICS code 237310 covers Highway, Street, and Bridge Construction, one of the largest categories in government infrastructure contracting. This industry includes establishments primarily engaged in th...

NAICS code 237990 covers Other Heavy and Civil Engineering Construction not classified elsewhere, including construction of flood control projects, dams, levees, dredging, marine construction, and oth...

NAICS code 238210 covers Electrical Contractors and Other Wiring Installation Contractors, one of the most active specialty trade categories in government contracting. This industry includes establish...

NAICS code 238220 covers Plumbing, Heating, and Air-Conditioning Contractors, another highly active specialty trade in government contracting. This industry includes establishments primarily engaged i...

NAICS code 238910 covers Site Preparation Contractors, establishments primarily engaged in site preparation activities such as excavating and grading, demolition of buildings, and land clearing. This ...

NAICS code 561210 covers Facilities Support Services, a comprehensive category for contractors providing integrated building management and support operations. This industry includes establishments pr...

NAICS code 561310 covers Employment Placement Agencies, which includes establishments primarily engaged in listing employment vacancies and referring or placing applicants for employment. This categor...

NAICS code 561320 covers Temporary Help Services, one of the largest service categories in government contracting. This industry includes establishments primarily engaged in supplying workers to clien...

NAICS code 561410 covers Document Preparation Services, which includes establishments primarily engaged in word processing, typing, editing, and proofreading of documents. This category also includes ...

NAICS code 561421 covers Telephone Answering Services, which includes establishments primarily engaged in answering telephone calls and relaying messages to clients. This category has evolved to inclu...

NAICS code 561422 covers Telemarketing Bureaus and Other Contact Centers, a broader category than basic answering services that includes outbound calling, multi-channel contact centers, and more compl...

NAICS code 561439 covers Other Business Service Centers, which includes establishments primarily engaged in providing a range of office support services (except copy shops, private mail services, and ...

NAICS code 561440 covers Collection Agencies, which includes establishments primarily engaged in collecting payments for claims and remitting payments collected to their clients. Government agencies a...

NAICS code 561450 covers Credit Bureaus, which includes establishments primarily engaged in compiling information such as credit and employment histories on individuals and businesses and providing th...

NAICS code 561499 covers All Other Business Support Services, a catch-all category for business support services not classified elsewhere. This includes services like court reporting, stenography, rea...

NAICS code 561510 covers Travel Agencies, which includes establishments primarily engaged in acting as agents in selling travel, tour, and accommodation services to the general public and commercial c...

NAICS code 561520 covers Tour Operators, which includes establishments primarily engaged in arranging and assembling tours. These establishments usually provide a combination of travel, food, lodging,...

NAICS code 561591 covers Convention and Visitors Bureaus and similar organizations, but in government contracting context, this code is used for convention and meeting planning services. Government ag...

NAICS code 561599 covers All Other Travel Arrangement and Reservation Services, a catch-all category for travel services not classified elsewhere. This includes event ticket sales, time-share exchange...

NAICS code 561612 covers Security Guards and Patrol Services, one of the largest service categories in government contracting. This industry includes establishments primarily engaged in providing guar...

NAICS code 561613 covers Armored Car Services, which includes establishments primarily engaged in picking up and delivering money, receipts, or other valuable items. This includes the use of armored c...

NAICS code 561621 covers Security Systems Services, which includes establishments engaged in selling security systems such as burglar and fire alarms and their installation and monitoring. Government ...

NAICS code 561622 covers Locksmiths, which includes establishments engaged in selling, installing, and servicing locks, safes, and security vaults. Government facilities require specialized locksmith ...

NAICS code 561710 covers Exterminating and Pest Control Services, which includes establishments engaged in pest control, including termite treatment, and fumigation services. Government facilities req...

NAICS code 561720 covers Janitorial Services, one of the largest service categories in government contracting. This industry includes establishments engaged in cleaning building interiors, providing d...

NAICS code 339112 covers establishments primarily engaged in manufacturing medical, surgical, ophthalmic, and veterinary instruments and apparatus (except electrotherapeutic, electromedical, and irrad...

NAICS code 339113 covers establishments primarily engaged in manufacturing surgical appliances and supplies. This includes orthopedic devices (splints, trusses, braces), surgical dressings, sutures, b...

NAICS code 339114 covers establishments primarily engaged in manufacturing dental equipment and supplies used by dentists, dental laboratories, and dental hygienists. This includes dental chairs, dent...

NAICS code 339115 covers establishments primarily engaged in manufacturing ophthalmic goods, including eyeglasses, eyeglass frames, contact lenses, sunglasses, and optical lens blanks. This industry a...

NAICS code 339116 covers establishments primarily engaged in manufacturing dentures, crowns, bridges, and orthodontic appliances to order for the dental profession. These dental laboratories create cu...

NAICS code 334510 covers establishments primarily engaged in manufacturing electromedical and electrotherapeutic apparatus. This includes MRI equipment, ultrasonic equipment, pacemakers, defibrillator...

NAICS code 334511 covers establishments primarily engaged in manufacturing search, detection, navigation, guidance, aeronautical, and nautical systems and instruments. This includes radar systems, GPS...

NAICS code 334515 covers establishments primarily engaged in manufacturing instruments for measuring and testing the characteristics of electricity and electrical signals. This includes oscilloscopes,...

NAICS code 334516 covers establishments primarily engaged in manufacturing analytical laboratory instruments and related equipment. This includes chromatographs, spectrometers, mass spectrometers, pH ...

NAICS code 336411 covers establishments primarily engaged in manufacturing or assembling complete aircraft. This includes manufacturing fixed-wing aircraft, helicopters, and other aeronautical vehicle...

NAICS code 336412 covers establishments primarily engaged in manufacturing aircraft engines and engine parts. This includes turbofan engines, turboprop engines, turbojet engines, turboshaft engines fo...

NAICS code 336413 covers establishments primarily engaged in manufacturing aircraft parts and auxiliary equipment not covered in other aircraft manufacturing categories. This includes landing gear, fl...

NAICS code 336414 covers establishments primarily engaged in manufacturing complete guided missiles, space vehicles, and satellites. This includes intercontinental ballistic missiles (ICBMs), cruise m...

NAICS code 336415 covers establishments primarily engaged in manufacturing guided missile and space vehicle propulsion units and propulsion unit parts. This includes rocket motors, rocket engines, and...

NAICS code 621111 covers establishments of health practitioners having the degree of M.D. (Doctor of Medicine) or D.O. (Doctor of Osteopathic Medicine) primarily engaged in the independent practice of...

NAICS code 621210 covers establishments of health practitioners having the degree of D.M.D. (Doctor of Dental Medicine), D.D.S. (Doctor of Dental Surgery), or D.D.Sc. (Doctor of Dental Science) primar...

NAICS code 621310 covers establishments of health practitioners having the degree of D.C. (Doctor of Chiropractic) primarily engaged in the independent practice of chiropractic. This includes spinal m...

NAICS code 621320 covers establishments of health practitioners having the degree of O.D. (Doctor of Optometry) primarily engaged in the independent practice of optometry. This includes vision examina...

NAICS code 621330 covers establishments of independent mental health practitioners (except physicians) primarily engaged in diagnosing and treating mental, emotional, and behavioral disorders. This in...

NAICS code 621340 covers establishments of independent health practitioners primarily engaged in providing physical therapy, occupational therapy, speech-language pathology, and audiology services. Th...

NAICS code 484110 covers General Freight Trucking, Local, encompassing establishments primarily engaged in providing local general freight trucking services. Local freight trucking typically operates ...

NAICS code 484121 covers General Freight Trucking, Long-Distance, Truckload (TL), representing carriers that transport full truckload shipments over long distances. These establishments provide interc...

NAICS code 484122 covers General Freight Trucking, Long-Distance, Less Than Truckload (LTL), encompassing carriers that consolidate multiple smaller shipments for transportation over long distances. L...

NAICS code 423410 covers Photographic Equipment and Supplies Merchant Wholesalers, encompassing establishments primarily engaged in the merchant wholesale distribution of photographic equipment and su...

NAICS code 423420 covers Office Equipment Merchant Wholesalers, encompassing establishments primarily engaged in the merchant wholesale distribution of office machines and related equipment. This incl...

NAICS code 423430 covers Computer and Computer Peripheral Equipment and Software Merchant Wholesalers, representing one of the largest categories in government procurement. These establishments are pr...

NAICS code 423440 covers Other Commercial Equipment Merchant Wholesalers, encompassing establishments primarily engaged in the merchant wholesale distribution of commercial and professional equipment ...

NAICS code 423450 covers Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers, representing a major government procurement category. These establishments are primarily engaged in ...

NAICS code 423460 covers Ophthalmic Goods Merchant Wholesalers, encompassing establishments primarily engaged in the merchant wholesale distribution of ophthalmic goods. This includes eyeglasses, sung...

NAICS code 423490 covers Other Professional Equipment and Supplies Merchant Wholesalers, encompassing establishments primarily engaged in the merchant wholesale distribution of professional equipment ...

NAICS code 722310 covers Food Service Contractors, representing establishments primarily engaged in providing food services at institutional, governmental, commercial, or industrial locations of other...

NAICS code 722320 covers Caterers, encompassing establishments primarily engaged in providing single event-based food services. These establishments provide food services at locations off the caterers...

NAICS code 722330 covers Mobile Food Services, encompassing establishments primarily engaged in preparing and serving meals and snacks from motorized vehicles or nonmotorized carts. This includes food...

NAICS code 811111 covers General Automotive Repair, encompassing establishments primarily engaged in providing a wide range of mechanical and electrical repair and maintenance services for automotive ...

NAICS code 811112 covers Automotive Exhaust System Repair, encompassing establishments primarily engaged in replacing or repairing exhaust systems of automotive vehicles. This includes muffler replace...

NAICS code 811118 covers Other Automotive Mechanical and Electrical Repair and Maintenance, encompassing establishments primarily engaged in providing specialized mechanical or electrical repair and m...

NAICS code 811121 covers Automotive Body, Paint, and Interior Repair and Maintenance, encompassing establishments primarily engaged in repairing or customizing automotive vehicle or trailer bodies. Se...

NAICS code 811122 covers Automotive Glass Replacement Shops, encompassing establishments primarily engaged in replacing or repairing automotive vehicle glass. This includes windshield replacement, sid...

NAICS code 811191 covers Automotive Oil Change and Lubrication Shops, encompassing establishments primarily engaged in changing motor oil and lubricating the chassis of automotive vehicles. These are ...

NAICS code 811192 covers Car Washes, encompassing establishments primarily engaged in cleaning, washing, and/or waxing automotive vehicles. This includes automatic car washes, self-service car washes,...

NAICS code 811198 covers All Other Automotive Repair and Maintenance, encompassing establishments primarily engaged in providing automotive repair and maintenance services not elsewhere classified. Th...

NAICS code 611430 covers Professional and Management Development Training, representing establishments primarily engaged in offering courses and seminars for management and professional development. T...

NAICS code 611519 covers Other Technical and Trade Schools, representing establishments primarily engaged in offering vocational and technical training in various trades and technical subjects not els...

NAICS code 611699 covers All Other Miscellaneous Schools and Instruction, representing establishments primarily engaged in offering instruction not elsewhere classified. This includes specialized inst...

NAICS code 611710 covers Educational Support Services, representing establishments primarily engaged in providing non-instructional services that support educational processes or systems. This include...