Mafo has sold several thousand doors to a large number of Navies around the world. The current design of a virtually maintenance free door started around 1987 and is now used by the following Navies:
- US Navy:
- San Antonio Class (LPD 17)
- Arleigh Burke Class (DDG 51) All doors from DDG 103 onward. Exchange program of approximately 10 doors per ship, aboard of almost all of the ships of Class (DDG 51 - DDG 102)
- Freedom Class (LCS 1) All frequently used doors.
- T-AOE-8 6 doors (test doors of an exchange program of all frequently used doors)
- US Coast Guard:
- Ice Breaker USCGC "MacKinow"
- Ice breaker USCGC "Healy" (All existing doors are being replaced by Mafo doors)
- German Navy:
- Tender Type 404 “ELBE Klasse” - Replacement of several doors on all ships
- Fleet Service Vessels Type 423 “OSTE Klasse” - Replacement of several doors on all ships
- Mine hunter MJ 352 “ENSDORF Klasse ”
- Mine hunter MJ 333 “KULMBACH Klasse ”
- Frigates F122 “BREMEN Klasse“ Additional doors for modification of ship type + (complete) equipped with ‘old-style’ Mafo Doors
- Frigates “F125 Klasse”
- Combat Support ship Type 702 “BERLIN Klasse”