Here are some big ones that didn't get boxes MSA...
Houston-The Woodlands-Sugar Land, TX 6.3M
Washington-Arlington-Alexandria, DC-VA-MD-WV 5.9M
Riverside-San Bernardino-Ontario, CA 4.3M
Tampa-St. Petersburg-Clearwater, FL 2.8M
St. Louis, MO-IL 2.8M
Pittsburgh, PA 2.3M
Charlotte-Concord-Gastonia, NC-SC 2.3M
San Antonio-New Braunfels, TX 2.2M
Orlando-Kissimmee-Sanford, FL 2.2M
Sacramento–Roseville–Arden-Arcade, CA 2.2M
Cincinnati, OH-KY-IN Metropolitan 2.1M
Cleveland-Elyria, OH 2M
Indianapolis-Carmel-Anderson, IN 1.9M
http://en.wikipedia.org/wiki/List_of_Metropolitan_Statistical_Areas