Machinery Manufacturing (NAICS 333) Management of Companies and Enterprises (NAICS 55) Manufacturing (NAICS 3133) Merchant Wholesalers, Durable Goods (NAICS 423) Merchant Wholesalers, Nondurable Goods (NAICS 424) Mining (except Oil and Gas) (NAICS 212) Mining, Quarrying, and Oil and Gas Extraction (NAICS 21) Miscellaneous Manufacturing (NAICS 339)