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| 4520 | Design-build non-residential contractors | |
| 4520 | Designing and erecting combined, single-family homes, general contractors | |
| 4520 | Designing and erecting, combined, industrial, general contractors | |
| 4520 | Designing and erecting, combined, residential (except single-family), general contractors | |
| 4520 | Deuterium oxide (heavy water) plants, construction | |
| 4520 | Digging water wells | |
| 4520 | Dikes and other flood control structures, construction | |
| 4520 | Discharging station construction, mine, general contractors | |
| 4520 | Distribution lines (oil and gas field) construction, general contractors | |
| 4520 | Distribution systems, gas pipe line, construction | |
| 4520 | Dock and pier construction | |
| 4520 | Dome construction, general contractors | |
| 4520 | Dormitories, construction | |
| 4520 | Downspout and gutter, installation, contractors | |
| 4520 | Drainage canals and ditches, construction | |
| 4520 | Drainage system installation (e.g., cesspool, septic tank), contractors | |
| 4520 | Dredging, canals, channels, waterways and ditches | |
| 4520 | Drilling holes under roadways | |
| 4520 | Drilling water wells, contractors | |
| 4520 | Driveway contractor | |
| 4520 | Driveway sealing | |
| 4520 | Driveways, asphalt paving | |
| 4520 | Driving piling, general contractors | |
| 4520 | Dry well construction, contractors | |
| 4520 | Drycleaning plant construction, general contractors | |
| 4520 | Duplexes, double, construction | |
| 4520 | Duplexes, row, construction | |
| 4520 | Duplexes, single, construction | |
| 4520 | Dyke construction | |
| 4520 | Earth filled dams, construction | |
| 4520 | Eavestroughing, contractors | |
| 4520 | Educational buildings, construction | |
| 4520 | Electric power line construction, general contractors | |
| 4520 | Electric power transmission lines and towers, construction | |
| 4520 | Electric transformer stations, construction | |
| 4520 | Electrical and electronic products plants, construction | |
| 4520 | Electronic product plants, construction | |
| 4520 | Elevated highway construction, general contractors | |
| 4520 | Elevators, storage, construction | |
| 4520 | Embankments, construction | |
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