Companies catalogue
- S & R Septic & Soakwells, Armadale
- SA3e IT Solutions, Ballajura
- SAFI Tech, Darch
- SEQTA, Joondalup
- SG Enviro (Formerly Sandgroper Septics, Kalamunda Septics and Armadale Liquid Cartage), Walliston
- SS Sheetmetal, Bibra Lake
- SafeWorks, Malaga
- Salient Computing Services, Waikiki
- Saltus Built, East Perth
- Sands Fridge Lines, Forrestfield
- Satalyst Pty Ltd, Victoria Park
- Sateva Pty Ltd., Morley
- Sawmadal IT Security Consultancy, Wanneroo
- Schwarz Software, Forrestfield
- Scope Systems, West Leederville
- Scubi and a Doo Ski, Subiaco
- Seacorp Coastal Shipping, Fremantle
- Seed & Grain Brokers, Osborne Park
- Seed West, Wanneroo
- Septic Cleaning Services, Kewdale
- Septics and Soakwells WA, Perth
- Serpentine Skate Park, Serpentine
- Seven Seas Worldwide, Bibra Lake
- Sharpe Deliveries, Golden Bay
- Ship Agencies Australia Pty Ltd, Fremantle
- Shoe Warehouse, West Perth
- Shoe Warehouse, Leederville
- Shoes & Sox Joondalup, Joondalup
- Shoes & Sox Morley, Morley
- Sigma Data Solutions, Midland
- Sigmalogic, Bibra Lake
- Silk Relaxation Room, Clarkson
- Simbiotic, Carlisle
- Simmo's, Rottnest Island
- Simplisite Business Solutions, Subiaco
- Sing and Swing Karaoke, Kelmscott
- Sixfour Skate, Success
- Sixty Grams, Mount Lawley
- Skate Park, Cooloongup
- Skatestar, Kardinya
- Skd Software House, West Perth
- Skillful Pty Ltd, Parkwood
- SlideRule Info Systems, Perth Airport
- Sliding Door Doctor, Landsdale
- Small Equipment Repair, Bibra Lake
- Smart Company Software, Perth
- SmartTrans, Leederville
- SmartVax, Ballajura
- Smooth Sliding Doors, Mobile service, Ballajura
- Sofa Zone, O'Connor
- Software Corp Australia Pty Ltd, East Perth
- Software Elite, Joondalup
- Software Optimisation Services, Perth
- Softwest Software, Subiaco
- Sofvers, Perth
- Solemate Shoes, Canning Vale
- Sorrento Quay Hillarys Boat Harbour, Hillarys
- Sota Tractors QLD, Geebung
- South Perth United Soccer Club, Lynwood
- Southern Cross Software Solutions, Duncraig
- Southern Sheetmetal Works Pty Ltd., Greenfields
- Specialised Mechanical Services, Osborne Park
- Specsavers Optometrists - Booragoon - Garden City S/C, Booragoon
- Spend-Less Shoes, Clarkson
- Spend-less Shoes, Maddington
- Spend-less Shoes, Willetton
- Spend-less Shoes, Cloverdale
- Spend-less Shoes, Mandurah
- Spend-less Shoes, Bull Creek
- Spend-less Shoes, Ellenbrook
- Spend-less Shoes, Midland
- Spend-less Shoes, Morley
- Spend-less Shoes, Madeley
- Spend-less Shoes, Joondalup
- Spend-less Shoes, Mirrabooka
- Spend-less Shoes, Hillarys
- Spendless Shoes, Cannington
- Spirit Paddle Sports, Kewdale
- Spraysafe, Midvale
- Spuds Marquee Hire, Bayswater
- Star Jumps Castle Hire, Wembley
- Star Metal Fabrication Perth, Welshpool
- Stial Pty Ltd, Carine
- Stinger Racing Skis, O'Connor
- Stirling Lions Soccer Club, Balcatta
- Stockdale & Leggo Albury-Wodonga, Albury
- Strack Technologies, Darling Downs
- Stride Shoes, Subiaco
- Stride Shoes, Osborne Park
- Stride Shoes, Floreat
- Stride with Confidence, Applecross
- StudentwiZe, Guildford
- Studio Box, Duncraig
- Stufflers, Banyo
- Subway, Armadale
- Sugarwood Holdings, Upper Swan
- Sunglass Hut, Perth
- Sunset stand up paddleboards, Shelley
- Super Skylights, Wangara
- SystemCORP Embedded Technology Pty. Ltd., Beckenham