Dangerous Work In 2021 the 10 Most Dangerous Jobs in America were: Number 10. Electrical Power-line Installers and Repairers. Number 9. Construction Trade Workers. Number 8. Underground Mining Machine Operators. Number 7. Refuse and Recyclable Material Collectors. Number 6. Delivery and Truck Drivers Number 5. Structural Iron and Steel Workers Number 4. Aircraft Pilots and Flight Engineers Number 3. Roofers. Number 2. Fishing