- Dams, waterways, docks, and other marine construction (4)
- Dock construction (2)
- Drainage system construction (6)
- Irrigation system construction (1)
- Marine construction (20)
- Pond construction (2)
- Waterway construction (1)
- Athletic field construction (1)
- Golf course construction (4)
- Tennis court construction (5)
- Land preparation construction (7)
- Land leveling (1)
- Industrial plant construction (1)
- Chemical plant and refinery construction (1)
- Waste disposal plant construction (3)
- Blasting contractor, except building demolition (5)
- Earthmoving contractor (2)
- Land clearing contractor (8)
- Pile driving contractor (2)
