|
|
|
22 - Utilities |
|
|
|
|
[221210] Natural Gas Distribution |
|
|
[221310] Water Supply and Irrigation Systems |
|
|
|
|
23 - Construction |
|
|
|
|
[237110] Water and Sewer Line and Related Structures Construction |
|
|
[237120] Oil and Gas Pipeline and Related Structures Construction |
|
|
[238120] Structural Steel and Precast Concrete Contractors |
|
|
[238220] Plumbing, Heating, and Air-Conditioning Contractors |
|
|
[238310] Drywall and Insulation Contractors |
|
|
[238320] Painting and Wall Covering Contractors |
|
|
[238330] Flooring Contractors |
|
|
| (* Types: M-Manufacturer D-Distributor S-Service Provider E-Exporter I-Importer) |
