- Side Walk Market
- Sidney Moore
- Siedziba CNT
- Siedziba Canyon Entertainment
- Siedziba DBP Security
- Siedziba FBI (III)
- Siedziba Feinberg & Van Wyck Realty
- Siedziba Globe Oil
- Siedziba Goldberg, Ligner & Shyster
- Siedziba Head Radio
- Siedziba LCFR
- Siedziba NOoSE
- Siedziba Pharte Gas
- Siedziba Rebel Radio
- Siedziba SAN News
- Siedziba V-Rock
- Siedziba szeryfa w Sandy Shores
- Siekierka
- Sierżant Peppah
- Sigal's
- Sign
- Signora grande italian boutique
- Silenced S-Uzi Machine Gun
- Silencers
- Silent But Violent
- Simeon Yetarian
- Simhair
- Simmet Alley
- Simmet Alley Traders Co-op
- Simmet Ally's
- Simmet Fabrics
- Simon & Nigel
- Simon Halcrow
- Simplecity
- Simpson, Cochrane & Bailey
- Sin 'til Late
- Sindacco Abattoir
- Sindacco Argento
- Sindacco Family
- Sindacco Sabotage
- Sindee Suttin
- Sindel Stickit
- Sindy
- Sing Sing Avenue
- Single Bills
- Single Player
- Single Womyn Against Grooming
- Singles * Bachelors
- Sink or Swim!
- Sinners Passage
- Sinowav
- Siobhan O'Day
- Siobhan Phillips
- Siodło na byka, chomąto na misia
- Siostra Bairn
- Siostra Daphne
- Siostra Maggie
- Siostra Maw
- Sissy Sprits
- Sisyphus Theater
- Sity Burgers
- Sixfiguretemps.com
- Siłownia w Ganton
- Siłownia w Verona Beach
- Skankiscon ADVANCE
- Skate Park w Fishmarket South
- Skate Park w Glen Park
- Skate Park w Westminster
- Skates
- Skeeza
- Skepta
- Skinny Dick's Surf Shack
- Skiver Construction Corp
- Sklep w City
- Sklep wielobranżowy w Bazie Załadunkowej LVA
- Sklep wielobranżowy w Downtown
- Sklepy z narzędziami
- Skok na Merryweather
- Skok na Merryweather (Frachtowiec)
- Skok na Merryweather (Na morzu)
- Skok na koniec świata (DLC)
- Skok na konwój
- Skok na suchy dok
- Skok vabank
- Skok w Paleto
- Skoki kaskaderskie w GTA V
- Skoki spadochronowe
- Skrzyżowanie na Blackfield
- Skrzyżowanie na Flint
- Skrzyżowanie na Montgomery
- Skrzyżowanie na Mulholland
- Skrzyżowanie na Pilson
- Skrzyżowanie na Robada
- Skuter modsów
- Skye
- Skylift
- Skywolf
- Slacker
- Slamtruck
- Slamvan
- Slamvan (niestandardowy)
- Slamvan Lostów
- Slamvan na arenę
- SlashTV
- Slaughter, Slaughter & Slaughter
- Slaying with Fire
- Sliced White
- Slick
- Slick - O - Greese Sex Lard
- Slim Skills
- Slimeball
- Slot
- Sludgie
- Smackdown
- Smackdown (A)
- Smackdown (IV)
- Smart Suit
- Smash and Grab
- Smażone ryby
- Smith
- Smith & Heston's
- Smithy
- Smoke on the Water
- Smoked Dreams
- Smokeydokey
- Smuggler
- Smuggler (strój)
- Snake Farm
- Snakehead
- Snapmatic
- Snappy Dresser
- Sneaky Footwear
- Snitch Hitch
- Snuff
- So?
- SoCs
- So Long Schlong
- So Near, Yet Sonar
- Soak & Spoke
- Soap Dodger Boutique
- Soapys Car Wash
- Sobell Rail Yard
- Sober Driver
- Sodom Sex Toys
- Softly Softly Catchy Monkey
- Soho
- Solair
- Solarin Industries
- Soldier
- Soldiers Of Misfortune
- Sole Man
- Solid State Hi-Fi
- Solomon Richards
- Solomun
- Solomun (misja)
- Sommers Real Estate 353
- Son Of A Beach
- Sonetti
- Sonetti's Gang
- Sonniscet
- Sonny
- Sonny Cangelosi
- Sonny Forelli
- Sonny Forelli: A True Story
- Sonny Honorato
- Sony
- Sooth Cough & Cold Medicine
- Sopa
- Sophia Bowles-Carmichael
- SorryCommode
- Soulwax
- Soulwax FM
- Soundrays Music
- Sounds of Soho
- Sounds of Westminster Wallace
- Sources
- South Bridge
- South Broker High School
- South Mo Milton Drive
- South Seas Apartments
- South Slopes
- South Slopes High School
- Southernsanandreassuperautos.com
- Southside Hoods
- Southwark
- Souvenirs (IV)
- Souvenirs (SA)
- Souvenirs Gifts T-Shirts
- Sovereign
- Soviet Hill
- Space 103.2
- Space Docker
- Space Mission
- Space Monkey 7
- Spacerek
- Spacey!
- Spadek
- Spadochron
- Spand Express (firma)
- Spandex Express
- Sparki
- Sparrow
- Spaz
- Spaz Funbags
- Special Agent Car