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| Primary NAICS Code | Primary Industry | Working Business Activity |
| 484230 | Specialized Freight (except Used Goods) Trucking, Long-Distance |
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| NAICS Code 2 | Industry 2 | Working Business Activity |
| 562211 | Hazardous Waste Treatment and Disposal |
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| NAICS Code 3 | Industry 3 | Working Business Activity |
| 562998 | All Other Miscellaneous Waste Management Services |
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| NAICS Code 4 | Industry 4 | Working Business Activity |
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| NAICS Code 5 | Industry 5 | Working Business Activity |
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