| Prefix | Organization | Purpose | Web Site | Contact | Registered |
|---|---|---|---|---|---|
| S | Dmitry Statilko | sEditTools; User Interface | members.xoom.com/dstatus | Dmitry Statilko | 01-Feb-1999 |
| S4Y | Soft4You | www.soft4you.it | Marona Carlo | 21-Feb-2002 | |
| SA | Soft Architech | TSAExpertPanel | Rodrigo Cubillos Corrales | 11-May-1999 | |
| SB | The Software Brewing Company | Reserved; Reserved | www.softwarebrewing.com | Trevor deKoekKoek | 01-Feb-1999 |
| SBC | Fr. Sauter AG | Reserved | Markus Möllinger | 10-Mar-2000 | |
| SBD | Absolute Solutions | ShortcutBar for Delphi; Outlook Bar | dspace.dial.pipex.com/absolutesolutions | Adrian Youlden | 13-Sep-1998 |
| SBG | Søren Berg Glasius | DSBGDatePanel; Dates | NA | Søren Berg Glasius | 12-May-1998 |
| SC | SoftCast Informática Ltda. | SoftCast Componentes | www.softcast.com.br | Marcio Castilho | 07-Apr-1999 |
| SC | SoftCast Informática Ltda. | SoftCast Componentes | www.softcast.com.br | Marcio Castilho | 23-Apr-1999 |
| SC | SibChallenge | SibChallenge Components | www.scn.ru | Oleg Kudrin | 14-Sep-2000 |
| SC | - | (misc/reserved) | members.shaw.ca/safak/ | Safak Cinar | 03-Nov-2003 |
| Scb | Scabadelia/Heckle Kings | Reserved | Scaba | 29-Dec-2099 | |
| SCD | SystemObjects | ScreenDesigner/400 | www.systemobjects.com | Philippe Gaillardin | 18-Aug-1999 |
| sci | SoftChannel interactive! | reserved | www.softchannel.nu | Victor Bautista | 03-Jan-2000 |
| SCS | Software Customised Solutions | Various | John Bennett | 13-Feb-2002 | |
| SCT | SCT Associates, Inc. | ACE Reporter; Reporting | www.sct-associates.com | Steve Tyrakowski | 04-May-1998 |
| SCV | SCV Systems | Delphi CodeBar; Delphi - Facilities | www.scvs.com | Scott C. Virtes | 08-May-1998 |
| SD | Essedi | Erp-Fashion; Application | www.nsoft.it/essedi | Francesco Frau | 04-Sep-1998 |
| SD | Sulako Developments | www.sulako.com | Theodor Kleynhans | 18-Jul-1999 | |
| SDC | System D | several | Christophe Dufeutrelle | 18-May-2006 | |
| SDL | Soletta | Soletta; Toolkit | www.soletta.com | Ross Judson | 28-May-1998 |
| SDS | SDS Software | Shane Sturgeon | 30-May-1999 | ||
| Se | nari-china | TSeReport | smartkid | 02-Jan-2000 | |
| sei | SEI | Carlos A Ramirez | 26-Jan-2000 | ||
| SFL | Life Management Solutions Pty Ltd | Reserved | Raymond Kennington | 30-Jun-1999 | |
| SG | S and G Asset Management | In-house classes, units and packages | www.sg-assetmanagement.nl | Hans Hasenack | 04-Jan-2013 |
| SG | CNS International BV | DBSortgrid; SortGrid | www.xs4all.nl/~cns | Robert Croshere | 30-Dec-1899 |
| SGB | Component library | www.ecs.soton.ac.uk/~sgb97r | Steven Blackburn | 24-Sep-1999 | |
| SHI | Siemens Hearing Instruments, Inc. | numerous | Todd Putvinski | 12-Oct-1999 | |
| SI | Siticov Igor | TsiLang; Language Components | www.tsilang.com/ | Siticov Igor | 02-Jun-1998 |
| Si | Silicon Studio Ltd. | Silicon Studio Components | www.spritten.ee | Antti Lukats | 02-Jan-2000 |
| SIE | SIE Sistemas | Reserved | www.siesistemas.com.br | Ricardo Alves | 12-Jun-1999 |
| SIMPL | Customizable Components | SIMPL | www.cust-comp.com | Mike Kolter | 04-Sep-1999 |
| SIN | SincoTec Bauteil-Prüftechnik GmbH | www.sincotec.de | Axel Funke | 06-Mar-2002 | |
| SIP | SIP solutions | Johannes Berg | 25-Nov-1999 | ||
| sis | Soluciones Informáticas del Sur | Reserved (Under Construction) | barragan.hypermart.net | Adolfo Barragan Garcia | 23-Sep-2001 |
| SJP | Various | Simon Page | 31-May-2005 | ||
| SK | SK Computer Solutions | Reserved; Reserved | www.alpine.net | Robert Jones | 19-Mar-1999 |
| SK | SK Computer Solutions | Various | www.pana.com/~robert | Robert Jones | 11-Oct-1999 |
| SL2 | 2LS LTD | Reserved; Reserved | www.2ls.com | Tom Conlon | 29-May-1998 |
| sld | Street Level Design | www.streetleveldesign.com | Larry J. Rutledge | 22-Dec-1999 | |
| slp | SLiPkid Software | Component and class names | Stephen Posey | 15-Feb-2017 | |
| SLX | Sollinx Services srl | SLXSuite | www.sollinx.com | George Motru | 10-Sep-2004 |
| Sly | TSlyIrc | users.bigpond.net.au/tinyduck | Steve Williams | 18-Jan-2000 | |
| SM | Systematic Marketing Limited | components used in-house | www.systematicmarketing.com | Russell Weetch | 31-May-1998 |
| SM | SoftMistral Ltd. | reserved | www.softmistral.com | Alexey Lavnikov | 05-May-2000 |
| SM | Scalabium | SMExport, SMImport, SMLogging, | www.scalabium.com | Mike Shkolnik | 08-Aug-2001 |
| SMD | SMD Component Library | www.clubedosoftware.com.br | Silvio Delgado | 19-Feb-2005 | |
| SME | Scalabium Software | SMExport suite | www.scalabium.com | Mike Shkolnik | 20-Jan-2013 |
| SMI | Various | Bob Reiner | 14-Mar-2000 | ||
| SMI | Scalabium Software | SMImport suite | www.scalabium.com | Mike Shkolnik | 20-Jan-2013 |
| SMR | Scalabium | SMReport Deisgner and SMReport | www.scalabium.com | Mike Shkolnik | 08-Aug-2001 |
| SMW | Scalabium Software | SMWord suite | www.scalabium.com | Mike Shkolnik | 20-Jan-2013 |
| Sn | Rafal Stajkowski | 24-Aug-2003 | |||
| SNCM | CMA Sistemas | SNCM | www.sncm.com.br | Claudio Ferreira | 21-May-2014 |
| SNGPC | CMA Sistemas | SNGPC Remoto software | www.cmasistemas.com.br | Claudio Ferreira | 06-May-2014 |
| SNGPC | CMA Sistemas | SNGPC Remoto software | www.cmasistemas.com | Claudio Ferreira | 28-May-2014 |
| SO | Sven Opitz | Reserved | www.OpitzS.de | Sven Opitz | 08-Jun-2000 |
| SOC | Snap-on Credit LLC | www.snaponcredit.com | Paul Hawbaker | 06-Jul-2000 | |
| SOD | Internetix Design Studios | Various | www.shadesofdelphi.com | Githrie Ward | 27-Oct-1999 |
| SOL | Soletta | Soletta; Toolkit | www.soletta.com | Ross Judson | 28-May-1998 |
| SOS | DSI | DSISOSPack | www.dsi.qc.ca/index.html | Mario Desrochers | 14-Sep-1999 |
| SP | software preview | Reserved; Reserved | www.preview.org | 29-Dec-1998 | |
| SPQ | ShazamWare Data Systems, Inc. | Shazam Power Query | htttp://www.shazamware.com | Adam M. Commander | 27-Jun-1999 |
| SPS | Simon Page | Various | Simon Page | 04-Sep-1999 | |
| SPX | TSpxCaptionBar, TSpxCaptionBox | surf.to/spareilleux | Stéphane Pareilleux | 30-Oct-1999 | |
| SPX | TSpxDataBrowser; TSpxCaptionBar, TSpxCaptionBox | www.linkedin.com/in/spareilleux | Stéphane Pareilleux | 30-Oct-1999 | |
| SQ | Brookswood Ltd | Dave Rowntree | 18-May-1999 | ||
| SQL | Conclusion Software | Sqlbuilder; Reporting | www.conclusion.com/ | Jeffrey Cooke | 30-Dec-1899 |
| SR | Silenroc | LogExpert | www.silenroc.com | Harry Bosma | 05-Aug-1999 |
| SRW | ShazamWare Data Systems Inc | Shazam; Reporting | www.shazamware.com | 30-Dec-1899 | |
| SS | Shepard Solutions. | Reserved | Michael Shepard | 29-Jun-1998 | |
| SS | Smithfield Software | Stephen Smith | 19-Apr-1999 | ||
| SS | Slipstream Software | Reserved | www.slipstream.com.au | Max Valente | 03-Jun-1999 |
| SS | Stormsoul Studios | StormControls (and others) | www.stormsoul.com | Josh Errington | 02-Jul-1999 |
| ss | Skybound Software | www.skybound.nl | Craig Manley | 07-Apr-2000 | |
| SSA | Synergy SA Pty Ltd | Reserved; Business Tools | www.synergysa.com.au | Kevin Read | 12-May-1998 |
| SSB | Satvinder S Basra | Reserved | www.Basra.com | Satvinder S Basra | 17-Jun-1998 |
| SSCS | StarSoft Computer Systems | www.sscompsys.com | Matthew S. Vesperman | 27-May-2003 | |
| SSD | Campbell Fuller | Various | www.specisoft.co.za | Campbell Fuller | 15-Jul-1999 |
| SSS | Super (Simple) Software | Reserved | come.to/supersoftware | Coen Blignaut | 01-Feb-1999 |
| SSS | Speed Sight and Sound | SpeedStream | www.speedsightsound.com | dc | 20-May-2000 |
| SST | SSTMS, Inc. | All | www.sstms.com | Louis Kleiman | 11-Feb-2000 |
| ssvh | Software Services Van Hecke | www.ssvh.be | Geert Van Hecke | 21-Jan-2000 | |
| SSW | SOCK Software | Various | www.socksoftware.com | Jud Cole | 02-May-2006 |
| ssz | Software Schneiderei GmbH | reserved | www.software-schneiderei.ch | Johannes Hardmeier | 09-Mar-2000 |
| ST | Software Technology | Reserved | www.soft-tech.com | Emery Galambos | 04-Aug-1998 |
| ST | TurboPower Software Company | SysTools 2; Toolkit | www.turbopower.com | Julian M Bucknall | 16-May-1998 |
| ST | Short-Timer Software | Short-T Package | www.cyberdiggs.com | Hal Diggs | 06-Feb-2003 |
| STC | Software Technologies, Inc. | SoftTech Components | www.host-industries.com | Michael Tuttle | 04-Nov-2003 |
| STX | SecureTax.com, Inc. | SecureTax.com components | www.securetax.com | Randy Bratton | 10-May-1999 |
| SVC | SvCom Components | www.aldyn.ru/ | Alexey Dynnikov | 28-Jul-1999 | |
| svq | SVQ Soluciones Informáticas | Reserved (Under Construction) | barragan.hypermart.net | Adolfo Barragan Garcia | 23-Sep-2001 |
| SW | Silver Wolf Software | Silver Wolf Desktop; Package | silverwolf.com | Joseph J Wolff | 19-Mar-1999 |
| SW | Sven Orro | Reserved; Reserved | Sven Orro | 01-Jul-1998 | |
| SW | Smartway | Components | Smartway | 26-May-1999 | |
| SWI | Silver Wolf Software | TswiComponent | silverwolf.com | Joseph J Wolff | 18-Jul-1999 |
| SWW | Schwarz Worldwide | RESERVED | Todd Mathews | 02-Oct-1999 | |
| SWX | Silver Wolf Software | TswxComponent | silverwolf.com | Joseph J Wolff | 18-Jul-1999 |
| Sx | Spoonworx Inc. | TSxMagnet, TSxPlot ... | www.spoonworx.com | Ralf Steinhaeusser | 10-Apr-2002 |
| Sx | Shell+ Development Group | Shell+ Components | www.shellplus.com | Alex Tischenko | 21-May-2002 |
| SX | SinfoTek | Sx Lib | Mik Palmieri | 16-Jun-2009 | |
| SXP | Elphin Magik Solutions | Delphi Data Controls for SASIx | members.tripod.com/sasixp | Toby Farley | 30-Sep-1999 |
| SY | Sysmatics.com | SysmaticsUtilities | Gene Juhos | 19-Oct-1999 | |
| SYM | Max. I.T. Pty. Ltd. | Symbiosis Suite | Tim Blizard | 28-Sep-1999 | |
| S_ | Tempest Software | Secrets of Delphi 2; Reserved | www.tempest-sw.com | Ray Lischner | 04-Aug-1998 |