Simmons Manufacturing Co, 1608 Highway 20 E, Mcdonough, GA 30252, US

Founded more than 15 years ago, DBCI is a manufacturer of steel, curtain-style and roll-up doors and components for the self-storage and commercial door markets. The company operates an engineering department, in-house testing facilities and a staff of field technicians. Its full product offerings include doors, hallway systems, soffit systems, security solutions and safeguards. The company s commercial products include light- and heavy-duty doors with wind locks, 24-gauge curtains and wind-certified doors. The company is a subsidiary of NCI Building Systems, one of the largest integrated manufacturers and marketers of metal building components, custom engineered metal building systems and metal coil coaters in North America.