| 236210 |
Prefabricated industrial building (except warehouses) erection |
| 236210 |
Printing plant construction |
| 236210 |
Refuse disposal plant (except sewage treatment) construction |
| 236210 |
Speculative builders (i.e., building on own land, for sale), industrial building (except warehouses) |
| 236210 |
Steel mill construction |
| 236210 |
Textile mill construction |
| 236210 |
Tipple, mining, construction |
| 236210 |
Washery, mining, construction |
| 236210 |
Waste disposal plant (except sewage treatment) construction |
| 236220 |
Bus shelter construction |