| Engineering - Contractors | ||
| Below is a list of custom NAICS codes in the Construction Industry that the Port of Houston Authority has added to better target qualified vendors. Be sure that you register using both the standard NAICS codes as well as these custom codes as applicable. Both the standard and custom codes can be selected using the "Select NAICS Code" link on the registration form. | ||
| Civil | ||
| Earthwork | 238910-01 | Site Preparation Contractors-Earthwork |
| Paving | 237310 | Highway, Street, and Bridge Construction |
| Line Painting | 237310-01 | Highway, Street, and Bridge Construction-Line Painting |
| Dredging | 237990-01 | Other Heavy and Civil Engineering Construction-Dredging |
| Railroads | 237990-02 | Other Heavy and Civil Engineering Construction-Railroads |
| Site Clearing | 238910-02 | Site Preparation Contractors-Site Clearing |
| Fencing | 238990-04 | All Other Specialty Trade Contractors-Fence Installation |
| Underground Utilities | 237110 | Water and Sewer Line and Related Structures Construction |
| 237120 | Oil and Gas Pipeline and Related Structures Construction | |
| 237130 | Power and Communication Line and Related Structures Construction | |
| Equipment | ||
| Container Cranes | 333923-01 | Overhead Traveling Crane, Hoist and Monorail System Manufacturing - Container Cranes |
| Bulk Cranes | 333923-02 | Overhead Traveling Crane, Hoist and Monorail System Manufacturing- Bulk Cranes |
| Material Handling | 333922 | Conveyor and Conveying Equipment Manufacturing |
| Crane Repair | 811310-01 | Commercial and Industrial Machinery and Equipment Repair & Maintenance- Crane Repair |
| Mechanical | ||
| Plumbing | 238220 | Plumbing, Heating, and Air-Conditioning Contractors |
| Fire Protection | 238990-05 | All Other Specialty Trade Contractors-Fire Protection |
| HVAC | 238220 | Plumbing, Heating, and Air-Conditioning Contractors |
| Environmental | ||
| Hazardous Waste | 562112 | Hazardous Waste Collection |
| 562211 | Hazardous Waste Treatment and Disposal | |
| Asbestos Abatement | 238990-01 | All Other Specialty Trade Contractors-Asbestos Abatement |
| Underground Storage Tanks | 562991 | Septic Tank and Related Services |
| Landscape | 561730 | Landscaping Services |
| Structural | ||
| Buildings | 236220 | Commercial and Institutional Building Contruction |
| Wharves | 237990-03 | Other Heavy and Civil Engineering Construction-Wharves |
| Fender Systems | 237990-04 | Other Heavy and Civil Engineering Construction-Fender Systems |
| Underwater | 237990-05 | Other Heavy and Civil Engineering Construction-Underwater |
| Pile Encapsulation | 237990-06 | Other Heavy and Civil Engineering Construction-Pile Encapsulation |
| Pile Driving | 237990-07 | Other Heavy and Civil Engineering Construction-Pile Driving |
| Concrete | 238110 | Poured Concrete Foundation and Structure Contractors |
| Shotcrete | 238110-01 | Poured Concrete Foundation and Structure Contractors-Shotcrete |
| Roofing | 238160 | Roofing Contractors |
| Siding | 238170 | Siding Contractors |
| Painting | 238320 | Painting and Wall Covering Contractors |
| Painting of Buildings | 238320-01 | Painting and Wall Covering Contractors-Buildings |
| Painting of Heavy Steel | 238320-02 | Painting and Wall Covering Contractors-Heavy Steel |
| Demolition | 238910-03 | Site Preparation Contractors-Demolition |
| Sandblasting | 238990-06 | All Other Specialty Trade Contractors-Sandblasting |
| Waterblasting | 238990-07 | All Other Specialty Trade Contractors-Waterblasting |
| Structural Steel | 238120 | Structural Steel and Precast Concrete Contractors |
| Electrical | 238210 | Electrical Contractors |
| Controls | 238210-01 | Electrical Contractors-Controls |
| Power Distribution | 238210-02 | Electrical Contractors-Power Distribution |
| Communications | 238210-03 | Electrical Contractors-Communcations |
| Wire and Cable | 423610-01 | Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment |
| Merchant Wholesalers-Wire and Cable | ||
| Security Systems | 561621 | Security Systems Services (except Locksmiths) |
| Cathodic Protection | 238210-04 | Electrical Contractors-Cathodic Protection |
| Testing | 238210-05 | Electrical Contractors-Testing |
| Other Related Codes | 237210 | Land Subdivision |
| 238130 | Framing Contractors | |
| 238140 | Masonry Contractors | |
| 238150 | Glass and Glazing Contractors | |
| 238310 | Drywall and Insulation Contractors | |
| 238330 | Flooring Contractors | |
| 238340 | Tile and Terrazzo Contractors | |
| 238350 | Finish Capentry Contractors | |