Workers Compensation Class Code
3724 - Door - Installation - Overhead & Drivers

The description for the NCCI Workers Compensation Class Code 3724 - Door - Installation - Overhead & Drivers is:

Applies to contractors specializing in the erection or repair of heavy machinery or equipment at their customers locations, which may include plants, factories and mills..

The related GL Class Code(s) for NCCI Workers Compensation Class Code 3724 - Door - Installation - Overhead & Drivers is:

The related SIC Code(s) for NCCI Workers Compensation Class Code 3724 - Door - Installation - Overhead & Drivers is:

Description for 1751 Carpentry Work

Special trade contractors primarily engaged in carpentry work. Establishments primarily engaged in building and installing cabinets at the job site are classified in this industry. Establishments primarily engaged in building custom cabinets for individuals in a shop are classified in Retail Trade, Industry 5712. Carpentry work performed by general contractors engaged in building construction is classified in Major Group 15.

• Cabinet work performed at the construction site
• Carpentry work-contractors
• Folding door installation-contractors
• Framing-contractors
• Garage door installation-contractors
• Joinery, ship-contractors
• Ship joinery-contractors
• Store fixture installation-contractors
• Trim and finish-contractors
• Window and door (prefabricated) installation-contractors

Description for 7629 Electrical and Electronic Repair Shops, Not Elsewhere Classified

Establishments primarily engaged in the repair of electrical and electronic equipment, not elsewhere classified, such as electrical household appliances and electrical and electronic industrial equipment. Establishments primarily engaged in the repair of electronic computers and computer peripheral equipment are classified in Industry 7378.

• Aircraft electrical equipment repair except radio
• Appliance repair, electrical
• Business machine repair, electrical
• Electric razor repair
• Electric tool repair
• Electrical measuring instrument repair and calibration
• Electrical repair shops, except radio, television, and refrigerator
• Electronic equipment repair, except computers and computer
• Hearing aid repair
• Medical equipment repair, electrical
• Office machine repair, electrical: except typewriters, computers, and
• Telephone set repair
• Washing machine repair

Description for 1796 Installation or Erection of Building Equipment, Not Elsewhere

Special trade contractors primarily engaged in the installation or erection of building equipment, not elsewhere classified, such as elevators, pneumatic tube systems, and dust collecting equipment. This industry also includes contractors primarily engaged in the installation or dismantling of machinery or other industrial equipment. Contractors primarily engaged in the construction of industrial incinerator, furnace, and oven structures are classified in Industry 1629.

• Conveyor system installation-contractors
• Dismantling of machinery and other industrial equipment-contractors
• Dumbwaiter installation-contractors
• Dust collecting equipment installation-contractors
• Elevator installation, conversions and repair-contractors
• Incinerator installation, small-contractors
• Installation of machinery and other industrial equipment-contractors
• Machine rigging-contractors
• Millwrights
• Pneumatic tube system installation-contractors
• Power generating equipment installation-contractors
• Revolving door installation-contractors
• Vacuum cleaning systems, built-in-contractors

Description for 1794 Excavation Work

Special trade contractors primarily engaged in excavation work and digging foundations, including digging and loading. Contractors in this industry may also perform incidental concrete work. Contractors primarily engaged in concrete work are classified in Industry 1771; and those primarily engaged in trenching or in earth moving and land clearing not related to building construction are classified in Major Group 16.

• Excavation work-contractors
• Foundation digging (excavation)-contractors
• Grading: except for highways, streets, and airport runways-contractors

Description for 1711 Plumbing, Heating and Air-Conditioning

Special trade contractors primarily engaged in plumbing, heating, air-conditioning, and similar work. Sheet metal work performed by plumbing, heating, and air-conditioning contractors in conjunction with the installation of plumbing, heating, and air-conditioning equipment is included here, but roofing and sheet metal work contractors are classified in Industry 1761. Special trade contractors primarily engaged in electrical work are classified in Industry 1731.

• Air system balancing and testing-contractors
• Air-conditioning, with or without sheet metal work-contractors
• Boiler erection and installation-contractors
• Drainage system installation, cesspool and septic tank-contractors
• Dry well construction, cesspool-contractors
• Fuel oil burner installation and servicing-contractors
• Furnace repair-contractors
• Gas line hookup-contractors
• Heating equipment installation-contractors
• Heating, with or without sheet metal work-contractors
• Lawn sprinkler system installation-contractors
• Mechanical contractors
• Piping, plumbing-contractors
• Plumbing and heating-contractors
• Plumbing repair-contractors
• Plumbing, with or without sheet metal work-contractors
• Refrigeration and freezer work-contractors
• Sewer hookups and connections for buildings-contractors
• Sheet metal work combined with heating or
• Solar heating apparatus-contractors
• Sprinkler system installation-contractors
• Steam fitting-contractors
• Sump pump installation and servicing-contractors
• Ventilating work, with or without sheet metal work-contractors
• Water pump installation and servicing-contractors
• Water system balancing and testing-contractors

Description for 7623 Refrigeration and Air-Conditioning Service and Repair Shops

Establishments primarily engaged in servicing and repairing household and commercial electrical refrigerators and air-conditioning and refrigeration equipment. Establishments primarily engaged in servicing and repairing gas refrigeration equipment are classified in Industry 7699, and those repairing automotive, air-conditioning equipment are classified in Industry 7539.

• Air-conditioner repair, self-contained units: except automotive
• Refrigeration repair service, electric
• Refrigerator repair service, electric

Description for 3559 Special Industry Machinery, Not Elsewhere Classified

Establishments primarily engaged in manufacturing special industry machinery, not elsewhere classified, such as smelting and refining equipment, cement making, clayworking, cotton ginning, glass making, hat making, incandescent lamp making, leather working, paint making, rubber working, cigar and cigarette making, tobacco working, shoe making, and stone working machinery, and industrial sewing machines, and automotive maintenance machinery and equipment.

• Ammunition and explosives loading machinery
• Anodizing equipment (except rolling mill lines)
• Bag sewing and closing machines (industrial sewing machines)
• Balancing equipment, automotive wheel
• Boot making and repairing machinery
• Brick making machines
• Broom making machinery
• Buttonhole and eyelet machines and attachments, industrial
• Cement making machinery
• Chemical kilns
• Chemical machinery and equipment
• Cigarette and cigar making machines
• Clayworking and tempering machines
• Concrete products machinery
• Control rod drive mechanisms for use on nuclear reactors
• Cork working machinery
• Degreasing machines, automotive (garage equipment)
• Degreasing machines, industrial
• Desalination equipment
• Die and hub cutting equipment (jewelry manufacturing)
• Drying kilns, lumber
• Electric screening equipment
• Electron tube making machinery
• Electroplating machinery and equipment, except rolling mill lines
• Foundry machinery and equipment
• Frame straighteners, automotive (garage equipment)
• Fur sewing machines
• Ginning machines, cotton
• Glass making machinery: blowing, molding, forming, grinding, etc.
• Hat making and hat renovating machinery
• Jewelers' machines
• Kilns: cement, wood, and chemical
• Lamp making machinery, incandescent
• Leather working machinery
• Metal finishing equipment for plating, except rolling mill lines
• Metal pickling equipment, except rolling mill lines
• Metal smelting and refining machinery, except furnaces and ovens
• Nuclear reactor control rod drive mechanisms
• Optical lens machinery
• Ozone machines
• Packup assemblies (wheel overhaul)
• Paint making machinery
• Petroleum refinery equipment
• Pharmaceutical machinery
• Plastics working machinery
• Pottery making machinery
• Robots, plastics: for molding and forming
• Rubber products machinery
• Rubber working machinery
• Scouring machines, tannery
• Semiconductor manufacturing machinery
• Sewing machines and attachments, Industrial
• Shoe making and repairing machinery
• Silver recovery equipment, electrolytic
• Stone tumblers
• Stone working machinery
• Synthetic filament extruding machines
• Tannery machines
• Tile making machines
• Tire grooving machines
• Tire retreading machinery and equipment
• Tire shredding machinery
• Tobacco products machinery
• Wheel mounting and balancing equipment, automotive
• Wood drying kilns
• Zipper making machinery

The related CA Workers Comp Class Code(s) for NCCI Workers Compensation Class Code 3724 is:

The related DE Workers Comp Class Code(s) for NCCI Workers Compensation Class Code 3724 is:

The related MI Workers Comp Class Code(s) for NCCI Workers Compensation Class Code 3724 is:

The related NJ Workers Comp Class Code(s) for NCCI Workers Compensation Class Code 3724 is:

The related NY Workers Comp Class Code(s) for NCCI Workers Compensation Class Code 3724 is:

The related PA Workers Comp Class Code(s) for NCCI Workers Compensation Class Code 3724 is:

The related TA Workers Comp Class Code(s) for NCCI Workers Compensation Class Code 3724 is: