Duro-Last Inc. held its 33rd annual National Sales Seminar in Palm Desert, Calif. earlier this year.

Duro-Last held its annual National Sales Seminar earlier this year, which honored Parsons Commercial Roofing Inc. of Waco, Texas, as Contractor of the Year for 2015.

Industry organizations to work together to celebrate the importance of roofs to every home and business.

The RCI Document Competition is an annual event organized to recognize members' excellence in roofing, waterproofing, and exterior wall construction project documentation.