DESCRIPTION: This group includes heating, refrigeration, air conditioning, millwrighting and elevator installation trade contractors who own and operate their own businesses.

This group also includes supervisors employed in a wide range of establishments who supervise and coordinate the activities of workers classified in groups within the following areas:

• machinery and transportation equipment mechanics (except motor vehicle)
• automotive service technicians and other mechanics

DESCRIPTION: This group includes heating, refrigeration, air conditioning, millwrighting and elevator installation trade contractors who own and operate their own businesses.

This group also includes supervisors employed in a wide range of establishments who supervise and coordinate the activities of workers classified in groups within the following areas:

• machinery and transportation equipment mechanics (except motor vehicle)
• automotive service technicians and other mechanics

DESCRIPTION: This group includes heating, refrigeration, air conditioning, millwrighting and elevator installation trade contractors who own and operate their own businesses.

This group also includes supervisors employed in a wide range of establishments who supervise and coordinate the activities of workers classified in groups within the following areas:

• machinery and transportation equipment mechanics (except motor vehicle)
• automotive service technicians and other mechanics

DESCRIPTION: Electrical trades and telecommunications contractors supervise and coordinate the activities of workers in the following occupational groups:

• Electricians, Industrial Electricians
• Power System Electricians
• Electrical Power Line and Cable Workers
• Telecommunications Line and Cable Workers
• Telecommunications Installation and Repair Workers
• Cable Television Service and Maintenance Technicians

DESCRIPTION: Carpenters construct, erect, install, maintain and repair structures and components of structures made of wood, wood substitutes, lightweight steel and other materials.

DESCRIPTION: Carpenters construct, erect, install, maintain and repair structures and components of structures made of wood, wood substitutes, lightweight steel and other materials.

DESCRIPTION: Carpenters construct, erect, install, maintain and repair structures and components of structures made of wood, wood substitutes, lightweight steel and other materials.

DESCRIPTION: Carpenters construct, erect, install, maintain and repair structures and components of structures made of wood, wood substitutes, lightweight steel and other materials.

DESCRIPTION: Carpenters construct, erect, install, maintain and repair structures and components of structures made of wood, wood substitutes, lightweight steel and other materials.