- Architectural sheet metalwork-contractors
- Ceilings, metal: erection and repair-contractors
- Coppersmithing, in connection with construction work-contractors
- Downspout installation, metal-contractors
- Duct work, sheet metal-contractors
- Gutter installation, metal-contractors
- Roof spraying, painting, or coating-contractors
- Roofing work, including repairing-contractors
- Sheet metalwork: except plumbing, heating, or air-conditioning-contractors
- Siding-contractors
- Skylight installation-contractors
- Tinsmithing, in connection with construction work-contractors
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