All Sim's oldest stock horse association.
| Name | Age | Color | Breed | Gender |
| SE Sheza Apache Agent | 2016 | Blue Roan | Quarter Horse | Mare |
| SE Sheza Chocolate Bar | 2007 | Chestnut | Quarter Horse | Mare |
| SE Sheza Hurricane | 2002 | Bay | Quarter Horse | Mare |
| SE Sheza Ritzy Lady | 2015 | Black Tobiano | Paint | Mare |
| SE Sheza Secret Agent | 2013 | Buckskin | Appaloosa | Mare |
| SE Shiners Time | 2004 | Chestnut | Quarter Horse | Stallion |
| SE Silent Dreamer | 2015 | Dun Overo | Paint | Stallion |
| SE Silent Lies | 2006 | Red Dun Overo | Paint | Mare |
| SE Skipa Two Bars | 2007 | Red Dun | Quarter Horse | Mare |
| SE Skips Hot Demand | 2007 | Chestnut Blanket | Appaloosa | Mare |
| SE Skips Silent Starlight | 2014 | Palomino | Quarter Horse | Stallion |
| SE Sly Lil Playboy | 2016 | Palomino | Quarter Horse | Stallion |
| SE Smart Hickory | 2015 | Red Dun Roan | Quarter Horse | Mare |
| SE Smokin Charlie | 2017 | Buckskin | Quarter Horse | Stallion |
| SE Smokin Texas Lady | 2015 | Grulla | Quarter Horse | Mare |
| SE Special Little Star | 2017 | Red Dun | Quarter Horse | Mare |
| SE Special Spark | 2016 | Smoky Grulla Roan | Quarter Horse | Mare |
| SE Special Style | 2014 | Grulla | Quarter Horse | Mare |
| SE Stars Over Texas | 2009 | Bay | Quarter Horse | Mare |
| SE Stylin Texas Chocolate | 2010 | Red Dun | Quarter Horse | Mare |
| SE Stylish Storm | 2009 | Dunskin Blanket | Appaloosa | Mare |
| SE Sugar Babe | 2004 | Classic Cream Champagne Tobiano | Paint | Mare |
| SE Texas Gal | 2016 | Buckskin | Quarter Horse | Mare |
| SE Texas Little Chick | 2017 | Palomino | Quarter Horse | Mare |
| SE Texas Tornado | 2008 | Dun | Quarter Horse | Mare |
| SE The Snack Bandit | 2017 | Black Tobiano | Paint | Stallion |
| SE Totally Starstruck | 2013 | Palomino Snowcap | Appaloosa | Mare |
| SE Victorias Starlight | 2008 | Bay Dun | Quarter Horse | Mare |
| SE Wartime OLena | 2011 | Buckskin | Quarter Horse | Stallion |
| SE What Does The Fox Say | 2015 | Black Overo | Paint | Stallion |
| SE Zips A Skippin | 2003 | Dun | Quarter Horse | Mare |
| SE Zips Rugged War | 2013 | Dun | Quarter Horse | Stallion |
| Searching For Silver | 2000 | Bay Roan | Quarter Horse | Stallion |
| Seasonal Cash | 2004 | Grullo | Quarter Horse | Stallion |
| Secret Clues | 2013 | Bay | Quarter Horse | Mare |
| Secret Georgia | 2009 | Sorrel | Quarter Horse | Mare |
| Secret of Truth OK | 2020 | Amber Cream Champagne | Paint | Stallion |
| Seek the Bullet OK | 2016 | Solid Grullo | Appaloosa | Stallion |
| Self Incrimination | 2008 | Sorrel Blanket | Appaloosa | Mare |
| Sending Out A Flare | 2002 | Palomino Leopard | Paint Pony | Mare |
| Sensational Blues K | 2025 | Bay Overo | Paint | Mare |
| Sensational Impulse | 2015 | Bay Roan Tovero | Paint | Mare |
| Sensational Loper | 2004 | Bay Overo | Paint | Mare |
| Sensationally Blue | 2001 | Chestnut Overo | Paint | Stallion |
| Sensing An Invitation | 2013 | Palomino Overo | Paint | Stallion |
| Serious Stormy K | 2025 | Smoky Black Blanket | Appaloosa | Stallion |
| Seriously Golden RL | 2006 | Cremello Overo | Paint | Mare |
| SF Jazzing Jetta | 2012 | Palomino | Paint | Mare |
| SFX Captain Eo | 2006 | Bay snowcap | Appaloosa | Stallion |
| SFX Harmony Hunter | 2007 | Red dun with spotted blanket | Appaloosa | Mare |
| SFX Imagine Dragons | 2009 | Palomino with spotted blanket | Appaloosa | Stallion |
| SG Artistically Belle | 2025 | Sorrel Tobiano | Paint | Mare |
| SG Blue Magic | 2020 | Black Tobiano | Paint | Stallion |
| SG Buckleys Hot Krymsun | 2019 | Grullo Overo | Paint | Stallion |
| SG CarlyIsStarlit | 2025 | Palomino | Quarter Horse | Mare |
| SG Cool Billy | 2021 | Sorrel Overo | Paint | Stallion |
| SG Delta Belle | 2018 | Black Tobiano | Paint | Mare |
| SG Diamond Trailer | 2020 | Sorrel Overo | Paint | Mare |
| SG Dunnit Like Fox | 2020 | Dunskin | Quarter Horse | Stallion |
| SG Holiday Sparkles | 2020 | Buckskin Roan | Quarter Horse | Mare |
| SG Machination Boy | 2025 | Bay | Quarter Horse | Stallion |
| SG Money Bar Belle | 2019 | Palomino Tovero | Paint | Mare |
| SG Sarah Connor | 2025 | Bay | Quarter Horse | Mare |
| SG Sparkly Starlight | 2025 | Palomino | Quarter Horse | Mare |
| SG Sweet Time Out | 2020 | Bay | Quarter Horse | Stallion |
| SHA Frosted Fourwind | 2010 | Black Few Spot | Appaloosa | Stallion |
| Shadow Of Mount Shasta | 1998 | Grulla | Mustang | Stallion |
| Shadow Rising | 2005 | Black Blanket | Australian Stock Horse | Mare |
| Shadowmist GE | 2021 | Buckskin Overo | Mustang | Stallion |
| Shadows Red Pepto | 2009 | Red Roan | Quarter Horse | Stallion |
| Shady Morn AES | 2005 | Chestnut | Quarter Horse | Stallion |
| Shake Em Frosty AES | 2009 | Dunalino | Quarter Horse | Mare |
| ShamWhamBam | 2003 | Chestnut Leopard | Appaloosa | Stallion |
| She Definitely Dun It | 1999 | Red Dun Brindle | Quarter Horse | Mare |
| She Dreams of Roses | 2013 | Sorrel Tobiano | Paint | Mare |
| Sheez Scottish | 2013 | Red Roan | Quarter Horse | Mare |
| Sherman | 2010 | Chestnut | Quarter Horse | Stallion |
| Shes A Badger | 2000 | Sorrel | Quarter Horse | Mare |
| Shes Andys Lady | 2012 | Chestnut Overo Splash | Paint | Mare |
| Shes Super Too FS | 2005 | Bay | Quarter Horse | Mare |
| Shesa Champagne Whizard | 2012 | Classic Cream Dun Champagne | Quarter Horse | Mare |
| Shesa Gold Whiz FS | 2002 | Palomino | Quarter Horse | Mare |
| Shesa More Shiney FS | 2009 | Smokey Blue Roan | Quarter Horse | Mare |
| Shesa Sweet Pine FS | 2004 | Smokey Blue Roan | Quarter Horse | Mare |
| Shez Bettin Fire R | 2014 | Bay | Quarter Horse | Mare |
| Shez Mighty Cool RL | 2010 | Sorrel Overo | Paint | Mare |
| Shez So Witty | 2010 | Perlino Sabino | Paint | Mare |
| Shez Too Gucci | 2005 | Black | Quarter Horse | Mare |
| Shez Using All Trix | 2005 | Red Dun | Mustang | Mare |
| Sheza Blazin Fury | 2023 | Grulla | Quarter Horse | Mare |
| Sheza Blazing Dreamer R | 2024 | Bay Tobiano | Paint | Mare |
| Sheza Blond Dixie | 2012 | Palomino | Quarter Horse | Mare |
| Sheza Catwoman GE | 2010 | Buckskin | Quarter Horse | Mare |
| Sheza Corona | 2013 | Buckskin | Quarter Horse | Mare |
| Sheza Dark Looker RL | 2012 | Brown | Quarter Horse | Mare |
| Sheza DC Girl SHC | 2013 | Sorrel Overo | Paint | Mare |
| Sheza Ethical Lady K | 2023 | Bay Overo | Paint | Mare |
| Sheza Fatal Attraction | 2020 | Black Fewspot | Paint Pony | Mare |
| Sheza Gold Chick | 1994 | Chestnut | Quarter Horse | Mare |
| Sheza Golden Gun | 2010 | Buckskin | Quarter Horse | Mare |
| Sheza Good One ST | 2009 | Chestnut Overo | Paint | Mare |
| Sheza Gunslinger Lady | 2017 | Brown | Quarter Horse | Mare |
| Sheza High Roller R | 2016 | Bay Roan | Quarter Horse | Mare |
| Sheza Honky Tonk Del | 2008 | Sorrel | Pony of America | Mare |
| Sheza Irish Glory Tb | 2017 | Bay | Quarter Horse | Mare |
| Sheza Jolly Catwoman GE | 2020 | Buckskin | Quarter Horse | Mare |
| Sheza Little Dandy R | 2016 | Blue Roan | Quarter Horse | Mare |
| Sheza Lovegame RA | 2013 | Black Overo | Paint | Mare |
| Sheza Peaceful Enchantress | 2018 | Perlino Leopard | Appaloosa | Mare |
| Sheza Perfect Storm | 2022 | Bay | Quarter Horse | Mare |
| Sheza Star AE | 2016 | Buckskin | Quarter Horse | Mare |
| Sheza Stylish Chic | 2009 | chestnut tobiano | Paint | Mare |
| Sheza Sweet Elite RL | 2010 | Bay Roan | Quarter Horse | Mare |
| Sheza Tiny Gunner | 2015 | Dun Tobiano | Paint | Mare |
| Sheza Zippin Chip | 2003 | Chestnut | Quarter Horse | Mare |
| ShezPlentyTimelessRL | 2010 | Bay Roan Tobiano | Paint | Mare |
| Shifty Eyes | 2008 | Chestnut Leopard | Appaloosa | Stallion |
| Shine On Sugar | 1993 | Palomino | Quarter Horse | Mare |
| Shiners Lena Rey | 1998 | Bay | Quarter Horse | Mare |
| Shines At Night FS | 2002 | Black Overo | Paint | Mare |
| Shines Top Rock | 1997 | Sorrel Splash Overo | Paint | Stallion |
| Shinin By | 1993 | Palomino | Quarter Horse | Mare |
| Shining Catalyst OK | 2016 | Perlino | Paint | Stallion |
| Shining Lena | 2003 | Bay | Quarter Horse | Stallion |
| Shining Maid | 1994 | Palomino | Quarter Horse | Mare |
| Shining Sugar Breeze | 2014 | Black Overo | Paint | Stallion |
| Shinning Chex | 2007 | Palomino | Quarter Horse | Mare |
| Shiny Lil Pistol FS | 2008 | Red Roan Overo | Paint | Mare |
| Shiny Little Rocker FS | 2007 | Red Dun Splash Overo | Paint | Stallion |
| Shipwreck Ahead RY | 2013 | Bay Tobiano | Paint | Stallion |
| Shivers Soul Sister GN | 2003 | Black | Quarter Horse | Mare |
| Sho Stoppin Maid | 2002 | Buckskin Blanket | Appaloosa | Mare |
| Shock And Awe FS | 2008 | Black | Quarter Horse | Mare |
| Shootin Starlight | 2009 | Chestnut Leopard | Appaloosa | Mare |
| Shop The Mall | 2012 | Chestnut | Quarter Horse | Mare |
| Short And Sweet | 2000 | Chestnut Frame Overo | Paint | Stallion |
| Shotgun Rider | 2012 | Buckskin | Quarter Horse | Stallion |
| ShowAtHighNoon | 2006 | Few Spot | Appaloosa | Stallion |
| Showing Off My Spots AES | 2015 | Chestnut Fewspot | Appaloosa | Mare |
| Shrew Bite | 2002 | Flaxen Liver Chestnut Sabino | Mustang | Mare |
| Shy Kiss | 2001 | Bay | Quarter Horse | Mare |
| Shyanne | 2010 | Black Sabino | Mustang | Mare |
| Sign Me Up | 2012 | Black Few Spot | Appaloosa | Mare |
| Sign Up | 1996 | Chestnut | Quarter Horse | Mare |
| Signed with Honor Wv | 2013 | Buckskin | Quarter Horse | Mare |
| Signed With Love | 2012 | Bay Tobiano | Paint | Stallion |
| SigningAllTheTimeRLF | 2013 | Bay Blanket | Appaloosa | Mare |
| Silent Firefly | 2009 | Bay Tobiano | Paint | Mare |
| Silently Skippin K | 2024 | Palomino Overo | Paint | Mare |
| Silk Left Prints | 2007 | Black Tobiano | Paint | Mare |