March 6-9

Work Truck Show

Indianapolis, 800-441-6832, www.ntea.com

March 8-12

National Stone, Sand & Gravel Association Convention

Tampa, Fla., 703-525-8788, www.nssga.org

March 11-14

American Concrete Pipe Association Annual Meeting

Amelia Island, Fla., 972-506-7216, www.concrete-pipe.org

March 17-21