
NAICS CODES
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336611 Shipbuilding & Repairing
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488390 Other Support Activities for Water Transportation
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811310 Industrial Machinery and Equipment Repair and Maintenance
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238210 Marine & Industrial Electrical Workers
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238220 Plumbing, Heating, and Air-Conditioning
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238190 Other Foundation, Structure, and Building Exterior Contractors
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332312 Fabricated Structural Metal Manufacturing
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332322 Sheet Metal Work Manufacturing
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332999 All other Misc. Fabricated Metal Product Manufacturing
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332710 Machine Shop, Custom Modifications and Fabricating
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541380 Testing Laboratories (Hydro Static Testing Services, Valves and Pumps)
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541990 Other Professional, Scientific & Tech Services
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423830 Industrial Machinery & Equipment Merchant Wholesaler
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423840 Industrial Supplies Merchant Wholesalers (Pipe Fittings, Valves, & FRP)