NAICS Code Lookup
Find the right NAICS code for your business or a federal contract. Search by keyword, industry description, or code number. Each result links to detailed spending data, top contractors, and small business size standards.
Browse by Sector
11 — Agriculture, Forestry, Fishing and Hunting
Establishments primarily engaged in growing crops, raising animals, harvesting timber, and harvesting fish and other animals from a farm, ranch, or their natural habitats.
21 — Mining, Quarrying, and Oil and Gas Extraction
Establishments that extract naturally occurring mineral solids, liquid minerals, and gases.
22 — Utilities
Establishments that provide electric power, natural gas, steam supply, water supply, and sewage removal.
23 — Construction
Establishments primarily engaged in the construction of buildings or engineering projects.
31 — Manufacturing
Establishments engaged in the mechanical, physical, or chemical transformation of materials into new products (codes 31-33).
42 — Wholesale Trade
Establishments engaged in wholesaling merchandise and providing related logistics services.
44 — Retail Trade
Establishments engaged in retailing merchandise in small quantities to the general public (codes 44-45).
48 — Transportation and Warehousing
Industries providing transportation of passengers and cargo, warehousing and storage, and related services (codes 48-49).
51 — Information
Establishments engaged in producing and distributing information and cultural products, processing data, and transmitting information.
52 — Finance and Insurance
Establishments primarily engaged in financial transactions and/or in facilitating financial transactions.
53 — Real Estate and Rental and Leasing
Establishments primarily engaged in renting, leasing, or allowing the use of tangible or intangible assets.
54 — Professional, Scientific, and Technical Services
Establishments that specialize in performing professional, scientific, and technical activities for others.
55 — Management of Companies and Enterprises
Establishments that hold the securities of companies and enterprises for the purpose of owning a controlling interest or influencing management decisions.
56 — Administrative and Support Services
Establishments performing routine support activities for the day-to-day operations of other organizations.
61 — Educational Services
Establishments that provide instruction and training in a wide variety of subjects.
62 — Health Care and Social Assistance
Establishments providing health care and social assistance for individuals.
71 — Arts, Entertainment, and Recreation
Establishments that operate facilities or provide services to meet varied cultural, entertainment, and recreational interests.
72 — Accommodation and Food Services
Establishments providing customers with lodging and/or preparing meals, snacks, and beverages for consumption.
81 — Other Services (except Public Administration)
Establishments providing services not specifically provided for elsewhere in the classification system.
92 — Public Administration
Federal, state, and local government agencies that administer, oversee, and manage public programs.
Data sourced from Census Bureau and USASpending.gov . Federal contracting data is public domain.