Industry: 1629—Heavy Construction, Not Elsewhere Classified
General and special trade contractors primarily engaged in the construction of heavy projects, not elsewhere classified.

Athletic field construction—general contractorsLock and waterway construction—general contractors
Blasting, except building demolition—contractorsMarine construction—general contractors
Breakwater construction—general contractorsMine loading and discharging station construction—general contractors
Bridle path construction—general contractorsMining appurtenance construction—general contractors
Brush clearing or cutting—contractorsMissile facilities construction—general contractors
Caisson drilling—contractorsNuclear reactor containment structure construction—general contractors
Canal construction—general contractorsOil refinery construction—general contractors
Central station construction—general contractorsOven construction for industrial plants—general contractors
Channel construction—general contractorsOven construction, bakers'—general contractors
Channel cutoff construction—general contractorsPetrochemical plant construction—general contractors
Chemical complex or facilities construction—general contractorsPetroleum refinery construction—general contractors
Clearing of land—general contractorsPier construction—general contractors
Cofferdam construction—general contractorsPile driving—contractors
Coke oven construction—general contractorsPond construction—general contractors
Cutting right-of-way—general contractorsPower plant construction—general contractors
Dam construction—general contractorsRailroad construction—general contractors
Dike construction—general contractorsRailway roadbed construction—general contractors
Discharging station construction, mine—general contractorsReclamation projects construction—general contractors
Dock construction—general contractorsReservoir construction—general contractors
Drainage project construction—general contractorsRevetment construction—general contractors
Dredging—general contractorsRock removal, underwater—contractors
Earth moving, not connected with building construction—generalSewage treatment plant construction—general contractors
Flood control project construction—general contractorsSki tow erection—general contractors
Furnace construction for industrial plants—general contractorsSoil compacting service—contractors
Golf course construction—general contractorsSubmarine rock removal—general contractors
Harbor construction—general contractorsSubway construction—general contractors
Hydroelectric plant construction—general contractorsTennis court construction, outdoor—general contractors
Industrial incinerator construction—general contractorsTimber removal, underwater—contractors
Industrial plant appurtenance construction—general contractorsTipple construction—general contractors
Irrigation projects construction—general contractorsTrail building—general contractors
Jetty construction—general contractorsTrailer camp construction—general contractors
Kiln construction—general contractorsTrenching—contractors
Land clearing—contractorsWasheries construction, mining—general contractors
Land drainage—contractorsWaste disposal plant construction—general contractors
Land leveling (irrigation)—contractorsWater power project construction—general contractors
Land reclamation—contractorsWater treatment plant construction—general contractors
Levee construction—general contractorsWaterway construction—general contractors
Light and power plant construction—general contractorsWharf construction—general contractors
Loading station construction, mine—general contractors
Codes Titles Number of US Businesses
1629Heavy Construction, Nec13,153
162900Heavy construction, nec2,108
16290000Heavy construction, nec2,108
162901Dams, waterways, docks, and other marine construction3,668
16290100Dams, waterways, docks, and other marine construction556
16290101Caisson drilling76
16290102Canal construction24
16290103Dam construction79
16290104Dock construction297
16290105Drainage system construction488
16290106Dredging contractor182
16290107Harbor construction38
16290108Irrigation system construction382
16290109Levee construction54
16290110Marine construction1,080
16290111Pier construction34
16290112Pond construction258
16290113Waterway construction120
162902Railroad and subway construction526
16290200Railroad and subway construction129
16290201Cutting of right-of-way42
16290202Railroad and railway roadbed construction346
16290203Subway construction9
162903Athletic and recreation facilities construction651
16290300Athletic and recreation facilities construction94
16290301Athletic field construction72
16290302Golf course construction296
16290303Tennis court construction189
162904Land preparation construction1,498
16290400Land preparation construction814
16290401Land leveling295
16290402Land reclamation168
16290403Rock removal75
16290404Timber removal146
162905Industrial plant construction1,144
16290500Industrial plant construction265
16290501Chemical plant and refinery construction92
16290502Mine loading and discharging station construction21
16290503Oil refinery construction127
16290504Waste disposal plant construction124
16290505Waste water and sewage treatment plant construction515
162999Heavy construction, nec, nec3,558
16299901Blasting contractor, except building demolition311
16299902Earthmoving contractor860
16299903Land clearing contractor1,351
16299904Pile driving contractor168
16299905Power plant construction200
16299906Trenching contractor668