The District has adopted the North American Industry Classification System (NAICS) codes to classify businesses for bidding purposes in an effort to standardize with local and federal agencies. Below please find the general categories followed by more detailed or specific NAICS codes. The list is not a comprehensive list of all NAICS codes within each category, so if you do cannot find the NAICS code specific to your business, you may look it up at United States Census Bureau’s website.
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