| Prefix | Organization | Purpose | Web Site | Contact | Registered |
|---|---|---|---|---|---|
| M | Moon Software | Reserved; Reserved | www.moonsoftware.ee | Ahto Tanner | 12-May-1998 |
| M | Sohome | Delphi work | www.sohome.nl | Jan Janssen | 26-Feb-2019 |
| m | marcello Unternehmensberatung, Inh. Marc | www.marcello.de | Marcel Schmidt | 27-Aug-2000 | |
| M7 | EQ Soft AB | M7; Reserved | www.eq-soft.se/delphi | Peter Thörnqvist | 01-Feb-1999 |
| MA | MalSoft | Reserved; Reserved | www.malsoft.force9.co.uk/ | Mark Allott | 01-Feb-1999 |
| MAB | Matt Hamilton | The Mab VCL; Collection | www.aye.net/~bstowers/delphi/other/mabvcl.html | Matt Hamilton | 19-May-1998 |
| MAB | Breeze Training | www.breezetraining.com.au | Mick Badran | 18-Apr-1999 | |
| MAC | MacNapple | diverse | www.MacNapple.de | MacNapple | 29-Nov-1999 |
| mad | Totally Insane P/L | Reserved | www.totallyinsane.com.au | Derek Farrell | 18-Mar-2003 |
| MAG | Reserved | Mark Gohara | 15-Jul-1999 | ||
| mag | magObjects | Manuel Gombocz | 29-Feb-2000 | ||
| Mag | Magenta Systems Ltd | TMagRas, TMagTapi, TMagWmi, TMagXfer, TMagDiskFmt, TMagIPLog, TMagMonSock, | www.magsys.co.uk/delphi/ | Angus Robertson | 21-May-2000 |
| Magia | Magia Data, Magia Doc...(component libraries for Delphi/Object Pascal) | rescatandoadelphi.blogspot.com/ | Al González | 17-Mar-2008 | |
| Mail2000 | Mail2000 | mpanda.8m.com | Marcello (Panda) Tavares | 29-Jul-1999 | |
| MAL | Malcolm Groves | www.ozemail.com.au/~mgroves | Malcolm Groves | 08-Sep-1999 | |
| MAM | Mario Alberto Martinez | 31-Mar-2005 | |||
| MAR | NRK - Norwegian Broadcasting | Reserved; Reserved | www.nrk.no | Atle Markeng | 19-Mar-1999 |
| MAW | Men at Work GmbH | Reserved | www.menatwork.de | Uwe Schlachter | 21-Jun-1999 |
| MAX | Max. I.T. Pty. Ltd. | Various; Reserved | Tim Blizard | 01-Jul-1998 | |
| max | Van Ommen Automatisering | Maxido database components | www.maxido.nl | Dirk van ommen | 21-Mar-2000 |
| MB | Michael Beck | Reserved; Reserved | www.geocities.com/yosemite/rapids/4195/delphi.htm | Michel Beck | 04-May-1998 |
| MB | Computer Solutions:AZ | MBTable, MBFone | www.csaz.com | Matthew J. Brock | 18-Sep-1999 |
| MBA | Madrigal Technologies Pty Ltd | Madrigal Business Architecture; Business | www.madrigal.com.au | Malcolm Groves | 01-Feb-1999 |
| mbb | various | Michael Bonner | 24-May-2000 | ||
| mbe | mbeSoft | mbeTreeview | www.twicefun.com/mbe | Marcel Bestebroer | 23-Jan-2000 |
| MBF | Madrigal Technologies | Madrigal Business Framework | www.madrigal.com.au | Malcolm Groves | 08-Sep-1999 |
| MBO | bojer.com | www.bojer.com | Michael Bøjer | 09-Nov-1999 | |
| mbp | Reserved | Marc Beauchamp | 09-Aug-2000 | ||
| MBS | MindBlast Software | Various... | www.gcs.co.za/mbs/mbs.htm | Louis | 18-Jul-1999 |
| MBU | Marco Buitenkamp | MbMRUList; Reserved | Marco Buitenkamp | 04-Aug-1998 | |
| MC | MetalCode Consulting | Reserved; Reserved | www.metalcode.com | Brett W. Fleming | 19-Mar-1999 |
| MC | Metacom Corporation | Metacom Tools | www.metacomcorp.com | R.W. Klein | 19-Jul-1999 |
| MC | McKenzie Corp Pty Ltd | Reserved | www.mckenziecorp.com.au | Rodney Delanty | 20-Aug-1999 |
| MC | Tesis Aviation Enterprise | The MCL | www.bramc.ru | Leonid Belousov | 04-Oct-1999 |
| MC7 | Box 5 | Reserved | www.box-5.com | Kosmas Chatzimichalis | 15-Apr-1999 |
| MCA | MCA Consultores Associados | MCA Comercial | marcelocarone.hypermart.net | Marcelo Carone Aboumrad | 07-Oct-1999 |
| MCP | Madrigal Technologies | Madrigal Component Pack | www.madrigal.com.au | Malcolm Groves | 11-Apr-2000 |
| MC_ | Metacom Corporation | Reserved; Reserved | www.metacomcorp.com | Chris Wallace | 01-Feb-1999 |
| MD | Martin Djern and aelig;s | TmdMailSlot | www.djernaes.dk/martin | Martin Djern and aelig;s | 30-May-1998 |
| MD | IT and ME | www.time-project.com/itme/ | Martorelli Damiano | 04-Jul-1999 | |
| md | Maskindynamikk A/S | N/A | www.maskindynamikk.no | Ottar L. Osen | 14-Feb-2000 |
| MDD | For all components | Dusan Majkic | 20-Sep-1999 | ||
| mdk | Reserved | M. de Kok | 08-Dec-1999 | ||
| MDP | aiurea.com/marcel | Marcel Popescu | 22-Mar-2000 | ||
| MDR | Morin Debt Ranch | www.morindebt.com | Benjamin Eric Morin | 13-Mar-2000 | |
| MDS | MoDESoft | For all components | www.modesoft.com | NIck Spurrier | 03-Jul-1999 |
| MDS | Computer Team S.A. | Angelos Arampatzis | 04-Oct-1999 | ||
| mds | Maelor Display Systems Ltd. | various | www.maelor-displays.demon.co.uk | Simon Brattel | 06-Mar-2000 |
| MD_ | Morin Debt Ranch | www.morindebt.com | Benjamin Eric Morin | 13-Mar-2000 | |
| ME | Messerschmidt Software Solutions | MessLib; Toolkit | ourworld.compuserve.com/homepages/MessLib | Michael Messerschmidt | 29-Apr-1998 |
| ME | MedEvolve, Inc. | Reserved | www.medevolve.com | Brandon Lilly | 17-Jan-2000 |
| MEB | Reserved | Mike Bedan | 03-Apr-1999 | ||
| mec | Mechtron Systems | msgServer | www.mechtron.com.au | Mark Berndt | 31-Mar-1999 |
| MELE | Mele Systems, LLC | www.melesystems.com | Joe Richards | 26-Apr-1999 | |
| MER | Merlin | Merlin; Wizards | www.boots.com/merlin | Mike Scott | 30-Dec-1899 |
| MET | Metastorm Inc. | Metastorm; Reserved | www.metastorm.com | Billy Nice | 01-Feb-1999 |
| Meta | Metanet (Pty) Ltd | MetaLib | www.metanet.co.za | Rainer Finkeldeh | 02-Sep-2000 |
| MG | empros gmbh | Reserved; Reserved | sascha frick | 04-Aug-1998 | |
| mg | Mediagate | Reserved | www.ipost.net/rcampbell | Ryan Campbell | 28-Jul-1999 |
| mgb | Marc Beauchamp | 14-Sep-2000 | |||
| MGI | empros GmbH | Reserved; Reserved | www.empros.ch | sascha frick | 01-Feb-1999 |
| MGR | Money-Go-Round | Money-Go-Round.com | Andy Hugh | 04-Aug-1999 | |
| mi | Management Insights | Various Delphi Business Compon | www.minsight.com | Colin Kelly | 22-Jan-2000 |
| mi | Multi-Informatica Teruel | TGranprimo | granprimo.topcities.com | Antonio Alcázar | 19-Apr-2002 |
| miks | MIKS computers | MIKS collection | www.mikscomputers.com | Kurtovic Emir | 21-Dec-2003 |
| MIL | Millennial Software | Reserved | millennial.webprovider.com | Larry J. Rutledge | 25-Jun-1999 |
| MIM | Mike Makler | Reserved; Reserved | angelfire.com/ca/abigmak | Mike Makler | 30-Aug-1998 |
| Mir | Mircio Corp | Mircio | 05-Feb-2002 | ||
| MJB | Computer Solutions:AZ | MBTable, MBFone | www.csaz.com | Matthew J. Brock | 18-Sep-1999 |
| mjp | Marcos Pinto | 16-Aug-2001 | |||
| MJV | Matthew Vincent | 02-Nov-1999 | |||
| MK | Eendsoft | mkRegExpr; Expressions | M.C. van der Kooij | 15-May-1998 | |
| MK | MiKo-Software | www.mikosoft.de | Michael Koelln | 21-Mar-2000 | |
| ML | Micrologica Systems Limited | Reserved; Reserved | www.micrologica.co.uk | Ian J. Walker | 28-May-1998 |
| Mle | KES Engineering service BV | All inhouse components | Mark van de Leur | 11-Aug-2000 | |
| MLK | Missing Link Software | dan.ervin.com | Dan Ervin | 25-May-1999 | |
| MLR | XL Sistemas | Marcelo Lopez Ruiz | 21-Jul-1999 | ||
| mls | MLS | Reserved | Luke Miller | 06-Jun-2003 | |
| MM | Michael Pakhantsov | 03-Mar-2000 | |||
| MMC | Metadata Management Corp Ltd | ?all? | Paula Pahos | 14-Sep-1999 | |
| MML | Home | Maung M Lwin | 29-Apr-2000 | ||
| MMS | MillaMilla Software | www.millamilla.com | Brooke Hedrick | 30-May-1999 | |
| MND | Micronet Development | Reserved; Reserved | Sean Capstick | 14-May-1998 | |
| MND | TopMind Software, Inc. | Jim Clokey | 27-Oct-1999 | ||
| MNN | Milo New-Born Network | Reserved | www.mnn.sk | Martin Milesich | 17-Jul-2000 |
| MNS | Mountain Network Software | Various | mns.co.za | Paul Niehaus | 21-Apr-1999 |
| Moh | Free Thinker Tribute | ChecktreeView | http//Homad.da.ru | Kettouche Mohand | 11-Jun-2000 |
| MP | EuroFinancial Soft, S.L. | MultiPurpose Library | Josep Pages | 29-Apr-1999 | |
| MQ | MQNet Inc | Reserved; Reserved | www.mqnet.com | Dan Parkinson | 04-Aug-1998 |
| MR | Reserved | www.angelfire.com/hi5/delphizeus/ | Miha Remec | 15-Apr-1999 | |
| Mrj | OQ Services | All components | www.oq-services.com | Marjan Venema | 20-Nov-1999 |
| Mrj | OQ Services | All components | www.oqservices.com | Marjan Venema | 14-Jun-2000 |
| MS | ArGo Software Design. | InterNet Mail Suite; Internet Email | www.argosoft.com | Artchil Gogova | 27-Apr-1998 |
| MS | Mechtron Systems | various | www.mechtron.com.au | Mark Berndt | 07-Apr-1999 |
| MS | Sebastian Modersohn Softwaredevelopment | Perseus | www.kagi.com/msohn | Sebastian Modersohn | 08-Apr-1999 |
| MS | M@rms Software | Reserved | www.marms.com/ | Hordeaux Sébastien | 06-May-2000 |
| ms | MediaStorm | StormSuite | www.mediastorm.net | Todd Mathews | 17-May-2000 |
| ms | Micro-Sys | All components | www.micro-sys.dk | Thomas Schulz | 31-Jan-2004 |
| MSA | MicroNexus Software Australia | MSAHyperControls; Toolkit | www.micronexus.com.au | Scott Kane | 24-May-1998 |
| msc | Michigan Scientific Corporation | www.michsci.com | 06-Sep-2000 | ||
| msc | Micro-Sys | All components | www.micro-sys.dk | Thomas Schulz | 31-Jan-2004 |
| msd | marcello Unternehmensberatung, Inh. Marc | www.marcello.de | Marcel Schmidt | 27-Aug-2000 | |
| MSE | Marc's component library | users.eastlink.ca/~mscheuner/ | Marc Scheuner | 11-Oct-2001 | |
| MSE | Marc's Components | www.lupus.ch | Marc Scheuner | 15-Oct-2001 | |
| MSG | SKZL | MsgPanel; Message Panel | www.skzl.nl/~jvdvelde | J. van der Velde | 09-Jun-1998 |
| msh | LOGIK | RESERVED | MADJID SAHOUI | 13-Oct-2009 | |
| msi | Macro Systems, Inc. | class name, unit names, interface names | www.macrosysinc.com | David Weisbrod | 19-Jan-2013 |
| msi | Mystic Software, Inc. | reserved | www.mysticsoftware.com | Philip A. Herzfeld | 17-Jan-2000 |
| MSR | Idea System | MsrClock | Marc Schmidt Le Roi | 19-Apr-1999 | |
| msu | Mele Systems,LLC | Reserved | www.melesystems.com | Joe Richards | 19-Jul-1999 |
| MS_ | MediaStorm | VARIOUS | www.mediastorm.net | Todd Mathews | 02-Oct-1999 |
| MT | Madrigal Technologies | Reserved; Reserved | www.madrigal.com.au | Malcolm Groves | 17-Jun-1998 |
| MT | Microtech | TMTAr | www.microtech.com.eg | Mohy Gamaledin | 05-Dec-1999 |
| MTk | MorphTek.com Inc | Reserved | www.morphtek.com | Michael Michalak | 30-Aug-2000 |
| MTS | Muay Thai Systems | ?... | members.tripod.co.uk/~Muay_Thai_Systems/index.htm | Graham John Waddilove | 01-Sep-1999 |
| mu | marcello Unternehmensberatung, Inh. Marc | www.marcello.de | Marcel Schmidt | 27-Aug-2000 | |
| MV | MVN Software | Reserved; Reserved | members.xoom.com/mneves | Marcus Vinicius Neves | 01-Feb-1999 |
| MWB | Mark Brooks | 25-Nov-1999 | |||
| MWI | MWI | Reserved | www.mwi.com.au | Matthew Woodburn | 07-Jul-1999 |
| MWX | Men In Code | Mark Walker | 31-Jan-2000 | ||
| Mx | MendriX | - | MJH van der Hijden | 19-Jul-1999 | |
| mx | MIKS computers | MIKS Collection | www.pcpages.com/miks | Kurtovic Emir | 01-May-2000 |
| mx | Wizard Header | www.dhost.info/medniex/ | Lauris | 28-Mar-2006 | |
| MXP | MaxPlanet Enterprises Corporation | various | www.maxplanet.ca | Barry Shaw | 19-Dec-2004 |
| MYS | Reserved | Mustafa Kumaþ | 28-Apr-2000 | ||
| mz | Mozilla-Delphi Project | various | delphi.mozdev.org/ | Dave Murray | 19-Sep-2004 |
| mzd | Mozilla-Delphi Project | various | delphi.mozdev.org/ | Dave Murray | 19-Sep-2004 |