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- 236210 Industrial Building Construction
- 236220 Commercial and Institutional Building Construction
- 237110 Water and Sewer Line and Related Structures Construction
- 238210 Electrical Contractors
- 238220 Plumbing, Heating & Air Conditioning Contractor
- 238310 Drywall & Insulation Contractors
- 238320 Painting and Wall Covering Contractors
- 238350 Finish Carpentry Contractors
- 238390 Other Building Finishing Contractors
- 238910 Site Preparation Contractors
- 238990 All Other Specialty Trade Contractors
- 562910 Remediation Services
- 561720 Janitorial Services
- 561990 All Other Support Services
- 562111 Solid Waste Collection
