American Concrete Pipe Association Convention

The American Concrete Pipe Association (ACPA) celebrates a milestone anniversary this year: 100 years of representing the nation's concrete pipe producers. ACPA's 99th Annual Convention will kick off the year-long commemoration March 11-14 at the Ritz-Carlton, Amelia Island, Fla. Highlights will include the unveiling of ACPA's Political Action Committee and Prosperity Project Web page, and the announcement of strategic plan revisions. Influential elected representatives and government insiders will also attend. For more information, visit www.concrete-pipe.org.

April 9-12

International Center for Aggregates Research Fifteenth Symposium

Austin, Texas, 512-232-3024, www.icar.utex.edu

April 19-20

American Concrete Repair Institute Spring Convention

Atlanta, 847-827-0830, www.icri.org

April 22-26

American Concrete Institute Spring Convention

Atlanta, 248-848-3795, www.concrete.org