| Environmental | ||
| Below is a list of custom NAICS codes in the Environmental 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. | ||
| 541 | Professional, Scientific and Technical Services | |
| Consultants | 541620 | Environmental Consulting |
| Air | 541620-01 | Environmental Consulting Services-Air |
| Asbestos | 541620-02 | Environmental Consulting Services-Asbestos |
| EMS | 541620-03 | Environmental Consulting Services-EMS |
| Emergency Response | 541620-04 | Environmental Consulting Services-Emergency Response |
| Energy Efficiency | 541620-05 | Environmental Consulting Services-Energy Efficiency |
| Industrial Hygeine | 541620-06 | Environmental Consulting Services-Industrial Hygeine |
| NEPA | 541620-07 | Environmental Consulting Services-NEPA |
| Phase I | 541620-08 | Environmental Consulting Services-Phase I |
| Sediment | 541620-09 | Environmental Consulting Services-Sediment |
| Training | 541620-10 | Environmental Consulting Services-Training |
| Water Quality | 541620-11 | Environmental Consulting Services-Water Quality |
| Wetlands | 541620-12 | Environmental Consulting Services-Wetlands |
| 238 | Specialty Trade Contractors | |
| Contractors | 238990 | All Other Specialty Trade Contractors |
| Asbestos Abatement | 238990-01 | All Other Specialty Trade Contractors-Asbestos Abatement |
| Drillers | 238990-02 | All Other Specialty Trade Contractors-Environmental Drillers |
| Monitoring | 238990-03 | All Other Specialty Trade Contractors-Environmental Monitoring |
| Promotional Item | ||
| Remediation | ||
| 541 | Professional, Scientific, and Technical Services | |
| Environmental Laboratories | 541380 | Testing Laboratories |
| 541380-01 | Testing Laboratories-Air Monitoring | |
| 541380-02 | Testing Laboratories-Concrete | |
| 541380-03 | Testing Laboratories-IH (asbestos, lead, and mold) | |
| 541380-04 | Testing Laboratories-Sediment | |
| 541380-05 | Testing Laboratories-Soil | |
| 541380-06 | Testing Laboratories-Steel NDI | |
| 541380-06 | Testing Laboratories-Steel NDI | |
| 541380-07 | Testing Laboratories-Water | |
| 562 | Waste and Remediation Services | |
| Waste & Remediation | 562910 | Remediation Services |
| 532 | Rental and Leasing Services | |
| 532490 | Other Commercial and Industrial Machinery and Equipment Rental and Leasing | |
| Environmental Equipment (Purchase & Rental) | 532490-01 | Other Commercial and Industrial Machinery and Equipment Rental and Leasing-Environmental Equipment |