- Dams, waterways, docks, and other marine construction (75)
- Caisson drilling (9)
- Canal construction (4)
- Dam construction (16)
- Dock construction (15)
- Drainage system construction (79)
- Dredging contractor (19)
- Harbor construction (1)
- Irrigation system construction (52)
- Levee construction (4)
- Marine construction (93)
- Pier construction (3)
- Pond construction (79)
- Waterway construction (13)
- Railroad and subway construction (19)
- Cutting of right-of-way (5)
- Railroad and railway roadbed construction (29)
- Subway construction (4)
- Athletic and recreation facilities construction (17)
- Athletic field construction (7)
- Golf course construction (94)
- Tennis court construction (62)
- Land preparation construction (199)
- Land leveling (81)
- Land reclamation (13)
- Rock removal (14)
- Timber removal (25)
- Industrial plant construction (63)
- Chemical plant and refinery construction (14)
- Mine loading and discharging station construction (1)
- Oil refinery construction (21)
- Waste disposal plant construction (19)
- Waste water and sewage treatment plant construction (49)
- Blasting contractor, except building demolition (39)
- Earthmoving contractor (193)
- Land clearing contractor (118)
- Pile driving contractor (13)
- Power plant construction (52)
- Trenching contractor (192)
