Since 1990, DDL Group has operated in the Architectural Openings Marketplace with integrity and professionalism striving to be the leading provider of architectural, security, fire and life safety product solutions. Through our value added service package, we include specialized consulting, security, fire and egress door inspections along with our marketing alliances our key product solution providers. Our experience includes built environment sectors as Education, Institutional, Industrial, Health Care, Government, Commercial, Industrial and mixed use Multi-Family, offers consulting, recommended practices and knowledge based services which we extend to our stakeholders; including architects, engineers, designers, contractors, suppliers and end users.