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| Primary NAICS Code | Primary Industry | Working Business Activity |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors |
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| NAICS Code 2 | Industry 2 | Working Business Activity |
| 325611 | Soap and Other Detergent Manufacturing |
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| NAICS Code 3 | Industry 3 | Working Business Activity |
| 325998 | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
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| NAICS Code 4 | Industry 4 | Working Business Activity |
| 333318 | Other Commercial and Service Industry Machinery Manufacturing |
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| NAICS Code 5 | Industry 5 | Working Business Activity |
| 424690 | Other Chemical and Allied Products Merchant Wholesalers |
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| Additional NAICS Codes |
| 484230, 562211, 562998, 423830 |
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