| 34310 | Indulines | |
| 37340 | Industrial articles, of refractory ceramics | |
| 83391 | Industrial buildings, corrosion control programmes for | |
| 83341 | Industrial buildings, electrical engineering design services for the construction of | |
| 83331 | Industrial buildings, electrical installation appraisal of | |
| 83331 | Industrial buildings, engineering advisory and pre-design services for the construction of | |
| 83391 | Industrial buildings, engineering services n.e.c. for the construction of | |
| 85330 | Industrial buildings, general cleaning of | |
| 54121 | Industrial buildings, general construction of | |
| 85330 | Industrial buildings, general maintenance of | |
| 83391 | Industrial buildings, geotechnical engineering services for the construction of | |
| 83391 | Industrial buildings, groundwater assessment for the construction of | |
| 83311 | Industrial buildings, integrated engineering services for the construction of | |
| 83341 | Industrial buildings, mechanical engineering design services for the construction of | |
| 83331 | Industrial buildings, mechanical installation appraisal of | |
| 83321 | Industrial buildings, project management services concerning the construction of | |
| 72112 | Industrial buildings, rental or leasing of | |
| 83341 | Industrial buildings, specialty engineering design services for the construction of | |
| 83341 | Industrial buildings, structural engineering design services for the construction of | |
| 83391 | Industrial buildings, structural failure investigation of | |
| 83351 | Industrial buildings, technical inspection services during the construction of | |
| 83391 | Industrial buildings, undertaking contamination studies of | |
| 83331 | Industrial buildings, undertaking environmental impact studies of | |
| 83331 | Industrial buildings, undertaking project impact studies of | |
| 83331 | Industrial buildings, undertaking technical feasibility studies of | |
| 61171 | Industrial chemicals, basic, wholesale trade services of, except on a fee or contract basis | |
| 61271 | Industrial chemicals, basic, wholesale trade services of, on a fee or contract basis | |
| 73330 | Industrial designs, patents, licensing services for the right to use | |
| 83129 | Industrial development, consulting services concerning | |
| 94211 | Industrial establishments, collection and transportation of non-hazardous waste from | |
| 73129 | Industrial machinery n.e.c., rental and leasing of without operator | |
| 83812 | Industrial photography | |
| 87110 | Industrial pipe work, maintenance and repair of | |
| 83393 | Industrial plants and processes, corrosion control programmes for | |
| 83343 | Industrial plants and processes, electrical engineering design services for the construction of | |
| 83333 | Industrial plants and processes, electrical installation appraisal of | |
| 83333 | Industrial plants and processes, engineering advisory and pre-design services for the construction of | |
| 83393 | Industrial plants and processes, geotechnical engineering services for the construction of | |
| 83393 | Industrial plants and processes, groundwater assessment for the construction of | |
| 83313 | Industrial plants and processes, integrated engineering services for the construction of | |