Image Occupations related to mathematics, WPA poster, ca. 1938 courtesy of trialanderrors on Flickr under a Creative Commons license.
The US Department of Labor's Occupational Outlook Handbook (OOH) is a great site to explore for information on careers in Math and related fields.
You can also search for career information. For instance, math majors often become teachers.
St. Mary's University
Louis J. Blume Library
One Camino Santa Maria, San Antonio, TX 78228-8608