Master List of North American Industry Classification System (NAICS) Codes

North American Industry Classification System (NAICS) Codes
The Department of Defense (DoD) uses North American Industry Classification System (NAICS) codes to identify broad categories of products, equipment, and services required to support military bases and defense organizations. When searching for new business opportunities and government solicitation announcements, you will need to know which NAICS code(s) apply to your company's unique capabilities. 

Below is a 2 digit NAICS code list.  To obtain a more specific 6 digit NAICS code list, go to:


11         Agriculture, Forestry, Fishing and Hunting
21         Mining, Quarrying, and Oil and Gas Extraction
22         Utilities
23         Construction
31-33    Manufacturing
42         Wholesale Trade
44-45    Retail Trade
48-49    Transportation and Warehousing
51          Information
52          Finance and Insurance
53          Real Estate and Rental and Leasing
54          Professional, Scientific, and Technical Services
55          Management of Companies and Enterprises
56          Administrative and Support and Waste Management and Remediation Services
61          Educational Services
62          Health Care and Social Assistance
71          Arts, Entertainment, and Recreation
72          Accommodation and Food Services
81          Other Services (except Public Administration)
92          Public Administration 


Video 1 - Six Ways to Do Business with Military (2 May 2017)

"Six Ways to Do Business with Military Bases"

Download our helpful Defense Contracting Guidebooks: 


The Wait Can Be Long!
Often the waiting list to get into see a Small Business Specialist at a military base can be long... frequently very long. And when your appointment date finally arrives, you might only get a few minutes of consultation. 
Why Not Get the Help You Need Today!
You can download and use our helpful defense contracting guidebooks. They are easy to read and packed with valuable information you will find extremely helpful for doing business with the Department of Defense and with military bases.

Download and Use our Helpful Guidebooks 

 Defense Studies Institute Small Business Specialist 


   Defense Studies Institute Army Corps of Engineers

Defense Studies Institute Marine Corps Defense Studies Institute Government Subcontractor
What Do Military Bases Purchase?
Master list of products, materials, equipment, and services routinely purchased by military bases and DoD organizations. 
Doing Business at Military Bases
Small business opportunities and points of contact at military bases and DoD agencies across the United States.
Subcontracting Opportunities
Detailed step-by-step guidance for becoming a successful subcontractor or supplier to prime defense contractors.