The Door and Hardware Institute is a professional organization that serves as the resource for education and information on doors, hardware, security and specialty products for the architectural openings industry.
Industry Link 4

The Door and Hardware Institute is a professional organization that serves as the resource for education and information on doors, hardware, security and specialty products for the architectural openings industry.
DHOI is your source for division 8 wood and hollow metal doors, metal frames, and architectural finish hardware. We serve customers throughout the southeastern United States from three locations, in Tampa, Orlando, and Brooksville, Florida. We are at your service, with a warehouse stocked with doors and hardware from leading manufacturers and a box truck fleet for quick delivery to your location.
If you need custom doors or specialty hardware, or have special requirements, just ask. We operate a machine shop staffed by experienced craftsmen who can fulfill your most complex requests. Our knowledgeable sales personnel are your resource for complete product specifications and delivery.
The door is open, so come in and explore our divisions and visit our exceptional list of manufacturers!