* Businesses in Bold are Chamber Members
| Company | Address | Phone Number |
| S W Cap Head Start (3-5 year olds) | 400 Johnson St. | 608-375-2381 |
| Sand Prairie Construction | 138 Wildwood Ct. | 608-375-5168 |
| Sands Motel * | 300 Elm Street | 608-375-4167 |
| Schlump, Lionel | 608-375-4587 | |
| Shady Lane | 409 E. Prairie Street | 608-326-2247 |
| Snick's Fin N Feather | 826 Wisconsin Avenue | 608-375-5613 |
| Sonix Tool | 104 Park St. | 608-375-5115 |
| St John's Lutheran Church | 208 Mary St | 608-375-5855 |
| St. Isaac Of Syria Skete * | 2750 Spring Valley Road | 608-375-5500 |
| St. Isaac's Bookstore | 2750 Spring Valley Road | 608-375-5500 |
| St. Isaac's School | 2750 Spring Valley Road | 608-375-5500 |
| Sta-Well Plumbing, LLC * | 207 West Oak Street | 608-375-6056 |
| State Farm Insurance * | 932 Wisconsin Ave | 608-375-4172 |
| Steffes Massage & Wellness Center | 906 Wisconsin Avenue | 608-533-2600 |
| Steffes Rentals | 608-533-2600 | |
| Subway * | 603 Elm Street | 608-375-7444 |
| Sun Vista Apartments | Borden Road | 805-423-7989 |
| Superior Storage * | 211 Chestnut Street | 608-375-5291 |
| Superior Taxidermy | 310 Superior Street | 608-375-2455 |
| Superior Trophies / Monogramming * | 211 Chestnut Street | 608-375-5291 |
| SW CAP Early Head Start | 400 Johnson St. | 608-375-2714 |
| SW CAP Northern Grant Co. Food Pantry | 600 State Road 133 W | 608-375-5903 |
| Swenson Saw Sales | 3930 Homer Road | 608-375-4663 |
* Businesses in Bold are Chamber Members