Commercial Products BROSCO's Commercial Shop includes fully licensed Warnock-Hersey, Inc./Intertek Testing Services (WHI/ITS) labeling services for Wood Doors and Hollow Metal Products. Our 'State of the Art' wood door machining equipment provides the capability to meet all of your Architectural/Commercial Door Requirements. Hollow Metal Doors & Frames - Our Hollow Metal doors from Ceco Doors are constructed using a Polystyrene Core - making them strong, quiet and 25% more energy efficient then paper honeycomb core doors. These 18 gauge 6 Panel and Flush doors will provide the look and functionality that is required on your next project. Prefinished Steel Frames - Installing a Prefinished Steel Frame and casing after the drywall is applied and painted makes it a 'snap' to save time and money during the installation process. Hardware - Our large selection of hardware for your next commercial job makes us a 1 stop shop for your project needs. From handles to hinges, levers to locks, door closers and exit devices we have the hardware for your project.