| Kohl's | Department store | 2960 Decker Dr, Rice Lake, WI 54868 | — |
| Kwik Spirits | Tobacco shop | 220 W Knapp St | Daily 8 AM–9 PM |
| L.E. Phillips Scout Reservation | Children's camp | 2900 16th St, Rice Lake, WI 54868 | — |
| Lake Buffet | Chinese restaurant | 2908 Pioneer Ave | — |
| Lakeshore Terrace Manufactured Home Community | Mobile home park | 2136 20 1/8 Ave Site 136, Rice Lake, WI 54868 | — |
| Lampert Lumber - Rice Lake | Hardware store | 2420 S Main St, Rice Lake, WI 54868 | — |
| Lebakkens Rent to Own | Furniture store | 2800 College Dr, Rice Lake, WI 54868 | — |
| Little Caesars Pizza | Pizza restaurant | 2464 S Main St | Daily 11 AM–9 PM |
| Lubrication Station Inc | Tire shop | 2815 Pioneer Ave, Rice Lake, WI 54868 | — |
| Mac Construction | Construction company | 2190 Meadow Creek Ln | — |
| Marketplace Foods | Grocery store | 330 S Main St | Daily 6 AM–10 PM |
| Marketplace Liquor | Liquor store | 330 S Main St | Daily 8 AM–9 PM |
| Marshfield Medical Center-Rice Lake Medical Offices-Family Medicine | Medical clinic | 1700 W Stout St | Mon–Fri 8 AM–5 PM |
| Marshfield Medical Center-Rice Lake Medical Offices-Internal Medicine | Medical clinic | 1700 W Stout St | Mon–Fri 8 AM–5 PM |
| Marshfield Medical Center-Rice Lake Medical Offices-Pediatrics | Medical center | 1700 W Stout St | Mon 8 AM–5 PM |
| Mayo Clinic Health System - Northland in Rice Lake | Medical clinic | 331 S Main St, Rice Lake, WI 54868 | — |
| McDonald's | Fast food restaurant | 1917 S Main St | Mon 5 AM–11 PM |
| Microtel Inn & Suites by Wyndham Rice Lake | Hotel | 2771 Decker Dr | — |
| Midwest Harvest Hills | Pumpkin patch | 1696 20 1/2 St, Rice Lake, WI 54868 | — |
| Miracle-Ear Hearing Aid Center | Hearing aid store | 134 W Knapp St | Mon–Fri 9 AM–4 PM |
| Moberg Electric | Electric motor repair shop | 1763 20 1/2 St, Rice Lake, WI 54868 | — |
| Muse Piercing Studio | Body piercing shop | 221 W Knapp St | — |
| Mustard Seed Wood Transformations | Saw mill | 1889 18th St, Rice Lake, WI 54868 | — |
| NAMI | Mental health service | 12 W Humbird St | — |
| New Beginnings of Barron County, Inc | Mental health service | 4 Cornell Ave | — |
| Next Energy Solution | Solar energy equipment supplier | 2941 18th St | — |
| NorthLakes Community Clinic - Rice Lake | Mental health clinic | 1051 West Ave | Mon–Fri 7 AM–5:30 PM |
| Northland Dental Laboratory | Dental laboratory | 608 W Marshall St, Rice Lake, WI 54868 | — |
| Northwest Home Inspection Services, LLC Rice Lake, WI | Home inspector | 325 Royal Crest Dr, Rice Lake, WI 54868 | — |
| OakLeaf Clinics - Rice Lake | Medical clinic | 2900 S Wisconsin Ave | Mon 8 AM–4:30 PM |
| OakLeaf Clinics - Urgent Care | Urgent care center | 2900 S Wisconsin Ave | Mon 8 AM–8 PM |
| Olson's Upholstery & Tint | Upholstery shop | 2504 19 1/8 St, Rice Lake, WI 54868 | — |
| Our Pup Town | Dog day care center | 23 W St Patrick St | — |
| Packerland Auto Glass | Auto glass shop | 1311 S Main St # E189 | — |
| Paradise Pools & Spas | Hot tub store | 1515 S Main St, Rice Lake, WI 54868 | — |
| Picadeli Salad Bar | Salad shop | 330 S Main St | Mon 6 AM–10 PM |