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, Nec12,948
162900Heavy construction, nec1,909
16290000Heavy construction, nec1,909
162901Dams, waterways, docks, and other marine construction3,597
16290100Dams, waterways, docks, and other marine construction616
16290101Caisson drilling73
16290102Canal construction24
16290103Dam construction82
16290104Dock construction294
16290105Drainage system construction478
16290106Dredging contractor196
16290107Harbor construction30
16290108Irrigation system construction380
16290109Levee construction54
16290110Marine construction967
16290111Pier construction35
16290112Pond construction248
16290113Waterway construction120
162902Railroad and subway construction530
16290200Railroad and subway construction153
16290201Cutting of right-of-way44
16290202Railroad and railway roadbed construction324
16290203Subway construction9
162903Athletic and recreation facilities construction660
16290300Athletic and recreation facilities construction92
16290301Athletic field construction73
16290302Golf course construction302
16290303Tennis court construction193
162904Land preparation construction1,493
16290400Land preparation construction816
16290401Land leveling301
16290402Land reclamation165
16290403Rock removal71
16290404Timber removal140
162905Industrial plant construction1,142
16290500Industrial plant construction269
16290501Chemical plant and refinery construction87
16290502Mine loading and discharging station construction23
16290503Oil refinery construction123
16290504Waste disposal plant construction130
16290505Waste water and sewage treatment plant construction510
162999Heavy construction, nec, nec3,617
16299901Blasting contractor, except building demolition314
16299902Earthmoving contractor874
16299903Land clearing contractor1,394
16299904Pile driving contractor170
16299905Power plant construction201
16299906Trenching contractor664