Here are website links to other companies associated with hollow metal doors and frames and door hardware.
ASSA ABLOY
ASSA ABLOY Door Security Solutions
ASSA ABLOY Door Security Solutions Canada
Baron Metal
Canadian Steel Door Manufacturers Association (CSDMA)
DHI Canada (Door and Hardware Institute of Canada)
Hollow Metal Manufacturers Association (HMMA)
The National Association of Architectural Metal Manufacturers (NAAMM)