| CLASS |
TRADE |
|
B
| GENERAL BUILDING CONTRACTOR |
|
C33
| PAINTING AND DECORATING CONTRACTOR |
|
C-8
| CONCRETE CONTRACTORS |
|
C20
| WARM-AIR HEATING, VENTILATING AND AIR-CONDITIONING CONTRACTOR |
|
C10
| ELECTRICAL |
|
C15
| FLOORING AND FLOOR COVERING CONTRACTORS |
|
C36
| PLUMBING CONTRACTOR |