This means that you'll be able to search for NAICS codes directly (if that's your jam). We'll do the math; let's make better data on public procurement together.
Possible NAICS Codes
722310 – Food Service Contractors
311991 – Perishable Prepared Food Manufacturing
493120 – Refrigerated Warehousing and Storage
721110 – Hotels (except Casino Hotels) and Motels
445299 – All Other Specialty Food Stores
424490 – Other Grocery and Related Products Merchant Wholesalers