"NAICS" (North American Industry Classification System) was jointly created by Canada, Mexico and the US in the 1990s.

If you know the industry code:

• Type your NAICSs in the box.
• Individual 2-digit to 6-digit codes and code ranges are allowed.
• Separate code strings by commas, without spaces (example: 123456,789012)
• Separate code ranges by hyphens, without spaces (example: 123456-789012)
• To get a broad range of companies within an industry sector, use 2-digit codes.
• To get more specific results for a line of business, use 6-digit codes.

If you don't know the industry code:

1. Click "Browse the list of NAICS codes."
   • A Browse Industries window opens that lists all NAICSs.
2. Put a check mark in the corresponding check box(es) to choose criteria.
   • Click the "+" to show industry sub-categories.
   • Click the "-" to hide industry sub-categories.
3. Click "Add to Criteria."
   • Selected industries appear in a list below the "Browse NAICS codes" link.

Delete Industries

• To delete an industry from the criteria list, click the "x" beside it. WARNING: Deleting check mark(s) on the Browse Industries window and clicking "Add to Criteria" does not remove criteria from Build A List.