ASSA ABLOY is comprised of 200 companies across the globe that manufacture anything that goes in the doorway: The frame, door, hinges, door closers, locks, exit devices, thresholds, gaskets, door stops and electronic access control.  ASSA, Inc. is one of these 200 companies and manufactures the Twin series of High Security Lock systems, Maximum+ and C4 CLIQ access control only.  Go to the ASSA ABLOY website, www.assaabloy.com or call 800-377-3948 for information on the other ASSA ABLOY companies.