19. Brickmasons and blockmasons
Projected increase in 2020: 40.5 percent
Number employed in 2010: 89,200
Median pay in 2010: $46,930
Education/training: High school diploma and apprenticeships.
Job outlook: The masonry workforce is growing older, and a large number of masons are expected to retire over the next decade, which will create many job openings.