18. Ambulance drivers and attendants (except EMTs) earn an average of $29,010 a year.
There are 15,380 employed in the US.
17. Crossing guards earn an average of $31,970 a year.
There are 79,880 employed in the US.
16. Security guards earn an average of $32,050 a year.
There are 1,114,380 employed in the US.
15. Emergency medical technicians (EMTs) and paramedics earn an average of $37,760 a year.
There are 257,210 employed in the US.
14. Substance abuse, behavioral disorder, and mental-health counselors earn an average of $47,920 a year.
There are 267,730 employed in the US.
13. Forest-fire inspectors and prevention specialists earn an average of $49,610 a year.
There are 2,130 employed in the US.
12. Firefighters earn an average of $53,240 a year.
There are 321,570 employed in the US.
11. Fire inspectors and investigators earn an average of $64,140 a year.
There are 12,530 employed in the US.
10. Police and sheriff's patrol officers earn an average of $65,400 a year.
There are 661,330 employed in the US.
9. Transit and railroad police earn an average of $74,450 a year.
There are 4,470 employed in the US.
8. Registered nurses earn an average of $75,510 a year.
There are 2,951,960 employed in the US.
7. Epidemiologists earn an average of $75,690 a year.
There are 7,060 employed in the US.
6. First-line supervisors of fire-fighting and prevention workers earn an average of $80,310 a year.
There are 65,920 employed in the US.
5. Emergency management directors earn an average of $82,570.
There are 9,550 employed in the US.
4. Detectives and criminal investigators earn an average of $85,020 a year.
There are 103,450 employed in the US.
3. First-line supervisors of police and detectives earn an average of $93,100 a year.
There are 116,660 employed in the US.
2. Air-traffic controllers earn an average of $120,830 a year.
There are 22,390 employed in the US.
1. Surgeons earn an average of $255,110 a year.
There are 34,390 employed in the US.