| Prefixo | Organização | Intenção | Site da Internet | Contato | Inscrito |
|---|---|---|---|---|---|
| j | MareeSoft Wares | www.thebits.org | Jon Jenkinson | 07-Dec-1999 | |
| JA | Reserved | John Antoniw | 06-Jul-1999 | ||
| jab | Jörgen Abrahamsson | 10-Mar-2000 | |||
| JAF | Dimac AB | JAF | dimac.net/ | Jonas Alexander Frost | 02-Sep-1999 |
| JAM | ACiD Systems | jamVCL | mariquit.com/john | John Anthony M. Mariquit | 06-Feb-2000 |
| JAN | JanSoft | janStringGrid | members.xoom.com/JanVee/freeware.htm | Jan Verhoeven | 08-Oct-1999 |
| Jap | Japos | www.japos.com | Pospisil | 19-Jan-2000 | |
| JAP | Japos | www.japos.com | Pospisil | 19-Jan-2000 | |
| JAW | Reserved | www.waler.com | James Waler | 16-Jul-1999 | |
| JAZ | Jazzie Software | pending | www.jazziesoftware.com | Lance Rasmussen | 14-Mar-2007 |
| JB | Jack N.A. Bakker | 29-Apr-1999 | |||
| JBK | all | www.kehrel.de | Dr. Juergen B. Kehrel | 27-Jan-2000 | |
| JBT | New Zealand Racing Board | www.tab.co.nz | Peter Ingham | 26-Feb-2004 | |
| JC | Jim Clokey | Reserved; Reserved | www.jclokey.com | Jim Clokey | 13-Jun-1998 |
| Jcl | Project JEDI | JEDI Code Library | www.delphi-jedi.org | Michael Beck | 28-Jun-2000 |
| JD | Quasar Technology Pty Ltd | Reserved | www.quasar.net.au | Jonathon Desmond | 22-Jun-1999 |
| jd | Eon Clash | All | www.eonclash.com | Jeremy Darling | 06-Mar-2002 |
| jdc | JDC Solutions | JDC Solutions | www.jdc-solutions.pl | Dominik Czechowski | 24-Feb-2006 |
| JDM | Delta Software | Reserved; Reserved Scientific | Jonathan March | 21-May-1998 | |
| JDN | JDN Software | Janus Dam Nielsen | 09-Aug-1999 | ||
| je | Software Management Services, Ltd. | Various | www.improgrammer.com | John Elrick | 16-Jan-2000 |
| je | InquisiTech, Inc. | Java Emulators | Chad Barker | 08-Sep-2000 | |
| JET | Jet Components | Jimmy Theo Weku | 03-Apr-1999 | ||
| jet | Roman Chernyshev | 10-Nov-1999 | |||
| JFL | WebDataBases UK | TjflAboutBox | www.webdatabases.co.uk | John Francis Lundy | 19-Oct-1999 |
| JG | www.jgsoftware.com | John Gonzalez | 02-Apr-1999 | ||
| JH | Diamond Computing | Reserved; Reserved | Jim Hunter | 01-Feb-1999 | |
| JH | John Hampson | Reserved; Reserved | John Hampson | 01-Feb-1999 | |
| JH | JHLib | pagina.de/jhurtado | Jose Hurtado | 21-Sep-1999 | |
| jh | reserved | Jari Hautaniemi | 23-Oct-1999 | ||
| JH | JHDataStorage | Johannes Berg | 25-Nov-1999 | ||
| JHL | JHLib | pagina.de/jhurtado | Jose Hurtado | 21-Sep-1999 | |
| JIM | Jim Cooper | Diagram Components | Jim Cooper | 30-Aug-1998 | |
| JIM | www.bsdg.org | Jim McKeeth | 11-Aug-2003 | ||
| JJ | Jeevan James | Reserved | Jeevan James | 09-Jul-1999 | |
| jj | Jan Jacobs | 09-Mar-2000 | |||
| jk | Jukka | Attila Kovacs | 23-Feb-2000 | ||
| JKO | OttoSoft | Reserved; Aviation Software | http:\\www.ottosoft.com | Ken Otto | 19-Mar-1999 |
| JKS | Escape Software Central | TTHumbnail,Tthumbview,TTHumbim | Giannis Kozikopulos | 10-May-1999 | |
| JL | Reserved | Joseph Liu | 20-Jun-1999 | ||
| JLS | Bitwise Development | Larry Schlatre | 14-Sep-1999 | ||
| JM | jTech | JeongMo | Park jeong mo | 02-Oct-1999 | |
| jmb | jmbsoft | Beatrix | www.jmbsoft.com.ar | Jose Maria | 20-Feb-2002 |
| JMG | Javier Matey | Reserved; Reserved | Javier Matey | 01-Feb-1999 | |
| JMJ | Reserved | John Jacobson | 14-May-1999 | ||
| jmr | jmrSoftware | Various | jmrsoftware.delaneyjoi.com | Jon Robertson | 20-Jul-1999 |
| JMS | Sandbrook Software | Reserved | ssapcs.interspeed.net/index.html | James M Sandbrook | 10-Dec-1999 |
| JMU | www.utu.fi/~jariuppa | Jari Uppa | 03-Nov-1999 | ||
| jmu | Joris Mulder Software | Joris Mulder | 10-Nov-1999 | ||
| JO | Oosterkamp training | consultancy | Taco's components | www.oosterkamp.nl | Taco J. Oosterkamp | 18-Nov-1999 |
| JOD | JODOCY | Various | www.jodocy.com | Serge Jodocy | 09-Mar-2003 |
| joro | JORO-Soft | John Romedahl | 24-Jan-2000 | ||
| Joshua | Consultant | Joshua | space.tin.it/computer/giaviane/index.htm | Gianluca Vianello | 17-Jun-1999 |
| JP | Jon Platten | 14-Apr-2000 | |||
| JP | JP components | under construction | Jon Platten | 24-Apr-2000 | |
| JPK | none | reserved | http:\\people.a2000.nl\mkruijt\index.htm | Jacco Kulman | 12-Jul-1999 |
| JPL | Japel | various | under construction | Justin Levene | 18-Apr-2007 |
| JQL | JQL | JQLCalcEdit | www.jql.co.uk | John Lavelle | 19-Mar-2005 |
| JR | Cognatii | jrInfoRgn | www.cognatii.com | Jonas Rembratt | 22-Mar-2000 |
| jr | reserved | none | jrios | 04-Apr-2000 | |
| JS | Judd Software | Judd Tools; ToolKit | www.angelfire.com/oh/juddc | Christopher Judd | 30-Aug-1998 |
| JS | Mozilla-Delphi Project | JavaScript Bridge | delphi.mozdev.org/javascript_bridge/index.html | Dave Murray | 19-Sep-2004 |
| jsl | Jacobus Systems Limited | Delphi development by Jacobus Systems Limited | www.jacobus.co.uk | Jim Davies | 13-Mar-2000 |
| JT | Jupiter Technologies, Inc. | reserved | www.jupitertechnologies.com | Lee Wenger | 07-Jul-1999 |
| JT | JumboTech.com | Reserved | www.JumboTech.com | Scott James | 28-Feb-2000 |
| jtw | JTWare | Reserved | Thomas R. Domijan | 16-Feb-2000 | |
| JV | Project JEDI | www.delphi-jedi.org | Michael Beck | 06-Jul-1999 | |
| jv | JanSoft | TjvStringGrid | members.xoom.com/JanVee/freeware.htm | Jan Verhoeven | 12-Sep-1999 |
| JvB | home.hetnet.nl/~jacvdborst | Jan van den Borst | 09-Mar-2000 | ||
| Jvn | Jeevan James | jeevanjames.tripod.com | Jeevan James | 10-Feb-2000 | |
| JW | Jabberwocky bvba | Jabberwocky toolkit | www.jabberwocky.be | Luc Van de Vyver | 16-Aug-1999 |
| Jw | Coockoo Clock Endeavors | www.freewebz.com/coockooclock/index.htm | Joseph Wilcock | 20-May-2003 | |
| JY | JOBIN-YVON S.A. | jyhoriba.com | Didier Lozac'h | 24-Nov-1999 | |
| jz | Palmsoft, Inc. | Jazmine | www.palmsoft.com | Hopeton Palmer | 21-May-1999 |