- Tree Trimmers and Pruners
- Structural Iron and Steel Workers
- Hazardous Materials Removal Workers
- Rail-Track Laying and Maintenance Equipment Operators
- Derrick Operators, Oil and Gas
- Service Unit Operators, Oil, Gas, and Mining Green
- Explosives Workers, Ordnance Handling Experts, and Blasters
- Helpers--Extraction Workers
- Separating, Filtering, Clarifying, Precipitating, and Still Machine Setters, Operators, and Tenders
- Tank Car, Truck, and Ship Loaders