From Columbus Door Co
Since 1960, Columbus Door Co. has been manufacturing, distributing and supplying doors, frames and hardware for commercial, institutional and industrial construction projects in New England. Based in Warwick, R.I., it has a 100,000-square-foot warehouse stocking a selection of hollow metal doors and frames, pre-machined architectural wood doors, builder s hardware and fire-rated wire glass. The company's product line includes steel doors, fire doors, drywall frames, replacement doors, smoke screens, X-ray doors, hinges, exit alarms, doorstops, washroom accessories and more. It offers products from a list of manufacturers, including Sargent, LCN, Marshfield, Steelcraft, Yale and others. Call us for all your commercial door & hardware needs.
Google: 4.2/5 
BBB: A+
Can't beat the quality, You get what you pay for. I have been dealing with them and several other door companies over the past 35 years and highly recommend Columbus door more than any other.
My family has been doing business with them since the 50's when they were across the street. Very professional, probably the most knowledgeable and competent company I know of that manufactures and stocks both standard and custom commercial steel doors and frames as well as professional, commercial grade hardware with a locksmith in the ship full time, as well as fabricators and installers.