- Dams, waterways, docks, and other marine construction (36)
- Canal construction (1)
- Dam construction (5)
- Dock construction (53)
- Drainage system construction (65)
- Dredging contractor (11)
- Harbor construction (1)
- Irrigation system construction (23)
- Marine construction (82)
- Pond construction (35)
- Waterway construction (2)
- Railroad and subway construction (11)
- Cutting of right-of-way (2)
- Railroad and railway roadbed construction (18)
- Subway construction (5)
- Athletic and recreation facilities construction (6)
- Athletic field construction (5)
- Golf course construction (28)
- Tennis court construction (41)
- Land preparation construction (61)
- Land leveling (9)
- Land reclamation (4)
- Rock removal (2)
- Timber removal (4)
- Industrial plant construction (13)
- Chemical plant and refinery construction (2)
- Oil refinery construction (2)
- Waste disposal plant construction (5)
- Waste water and sewage treatment plant construction (27)
- Blasting contractor, except building demolition (34)
- Earthmoving contractor (29)
- Land clearing contractor (77)
- Pile driving contractor (18)
- Power plant construction (23)
- Trenching contractor (21)
