- Dams, waterways, docks, and other marine construction (842)
- Caisson drilling (88)
- Canal construction (27)
- Dam construction (148)
- Dock construction (638)
- Drainage system construction (1186)
- Dredging contractor (379)
- Harbor construction (23)
- Irrigation system construction (890)
- Levee construction (46)
- Marine construction (1717)
- Pier construction (50)
- Pond construction (641)
- Waterway construction (115)
- Railroad and subway construction (256)
- Cutting of right-of-way (44)
- Railroad and railway roadbed construction (542)
- Subway construction (38)
- Athletic and recreation facilities construction (155)
- Athletic field construction (88)
- Golf course construction (818)
- Tennis court construction (493)
- Land preparation construction (2266)
- Land leveling (976)
- Land reclamation (282)
- Rock removal (144)
- Timber removal (315)
- Industrial plant construction (512)
- Chemical plant and refinery construction (150)
- Mine loading and discharging station construction (37)
- Oil refinery construction (175)
- Waste disposal plant construction (223)
- Waste water and sewage treatment plant construction (793)
- Blasting contractor, except building demolition (598)
- Earthmoving contractor (2001)
- Land clearing contractor (3532)
- Pile driving contractor (346)
- Power plant construction (363)
- Trenching contractor (1464)