| S&P Scalper Software |
| Safe Stocktrading |
| SafeMoneyMetrics |
| Salomon Smith Barney |
| SamoaSky |
| San Jose Options Mentoring |
| Saxo Bank |
| Sayers |
| Scalper Systems |
| ScalpTrader |
| ScanTheMarket |
| Sceptre Trading |
| SCG Associates |
| Schaeffer’s Investment Research |
| School of Gann |
| Schwab Active Trading |
| Schwab Funds |
| Scientific Systems |
| Scientific Trading Solutions |
| Scottrade |
| SDS Financial Technologies |
| Seasonex |
| Secrets of Traders |
| Securities Exam Preparation |
| Securities Research Company |
| Seer Trading Systems Ltd |
| SFO Magazine |
| Shanghai Futures Exchange |
| Sharebuilder |
| Shareplanner |
| ShareTradingEducation |
| ShibuiMarkets |
| Shield-Systems Technology |
| ShieldFX |
| Shoreline Trading Group |
| ShrewdInvesting |
| Shrewdtrader |
| Sibiu Monetary-Financial & Commodities Exchange |
| Sibyl-Anal?se |
| Sierra Investment Software |
| Signalert |
| Silver Creek Ag |
| Simply Data |
| Singapore Exchange |
| Sirtrade International |
| Skilltrader |
| Smart Futures |
| Smart Trades |
| Smarte Trades |
| SmartProj |
| SMC |
| SMK |
| SnapDragon Systems |
| Soaring Phoenix |
| Software North |
| Software Solutions |
| SolerInvestments |
| Sonic Futures & Options |
| Soros Trading Independent News Site |
| Sosnowy Investment Management Co. |
| South African Futures Exchange |
| Southwest Securities |
| SpectraLink Corporation |
| Spectrum Commodities |
| Speed-e-Trade! |
| SpeedTrader |
| Sphera Research & Trading |
| Spike Trading |
| Spinnaker Software Solutions |
| SpiWatch Charting & Technical Research |
| Spooz |
| Spread Systems |
| Spredgar Software |
| Stagecoach Trading |
| State Street Research Group |
| StatSoft |
| Steele Systems, Inc. |
| Stefan Veres |
| Stein Roe Mutual Funds |
| Stelar International |
| Stephen A. Pierce |
| Sterling Investment Services |
| Steve Nison’s Candlecharts.com |
| Steve Smallwood Illustration |
| Steven C. Hutson |
| Stewart-Peterson Advisory Group |
| Stock Blocks |
| Stock Chart Wizard |
| Stock Cycles Forecast |
| Stock Market Geometry |
| Stock Option Investing |
| Stock-Trak |
| StockCharts.com |
| Stockinside |
| StockMarketStore |
| Stockpoint |
| StockReflex |
| Stocksensei |
| StockShare Publishing |
| StockSOAP |
| StockTradersPress |
| Straiton & Partner |
| Strategic Trading Systems |
| Strategy Runner |
| StrategyBot Inc. |
| Stratton Roze and Associates |
| StreetInsider.com |
| Striker Securities |
| Structure Trading |
| STT, LLC |
| Stuart Okorofsky |
| Sundial Capital Research |
| Sunny Harris & Associates |
| Superior Software, Inc. |
| Support Systems International |
| SureFireThing |
| SwingTrades |
| SwingTradingHits |
| Swiss Exchange |
| Sy Harding’s Street Smart Report |
| Synergy Investment Group |
| Synthesis Bank |
| System Support Products |
| SYTECH Cororation |
| STOCKBAROMETER |