- Dams, waterways, docks, and other marine construction (16)
- Dam construction (1)
- Dock construction (7)
- Drainage system construction (61)
- Dredging contractor (6)
- Irrigation system construction (15)
- Levee construction (1)
- Marine construction (6)
- Pier construction (2)
- Pond construction (10)
- Railroad and subway construction (4)
- Railroad and railway roadbed construction (23)
- Subway construction (1)
- Athletic and recreation facilities construction (2)
- Golf course construction (10)
- Tennis court construction (5)
- Land preparation construction (45)
- Land leveling (3)
- Land reclamation (6)
- Rock removal (4)
- Timber removal (1)
- Industrial plant construction (10)
- Chemical plant and refinery construction (5)
- Oil refinery construction (2)
- Waste disposal plant construction (5)
- Waste water and sewage treatment plant construction (32)
- Blasting contractor, except building demolition (6)
- Earthmoving contractor (25)
- Land clearing contractor (20)
- Pile driving contractor (4)
- Power plant construction (4)
- Trenching contractor (44)
