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.
Foundry Machinery, Related Equipment and Supplies.
Molding Machines; Tumbling Mills, Foundry Dextrine; Core Paste.
Crucible Furnaces; Cupola Furnaces; Foundry Hand Tools.
Possible NAICS Codes
333994 – Industrial Process Furnace and Oven Manufacturing
333999 – All Other Miscellaneous General Purpose Machinery Manufacturing
212321 – Construction Sand and Gravel Mining
333511 – Industrial Mold Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
333517 – Machine Tool Manufacturing
332710 – Machine Shops
332510 – Hardware Manufacturing
331511 – Iron Foundries
333318 – Other Commercial and Service Industry Machinery Manufacturing