| Badger State Storage | Self-storage facility | 595 Outpost Cir | Fri 8 AM–8 PM |
| Badger State Storage - North Hudson | Self-storage facility | 201 Wisconsin St N | Tue 8 AM–8 PM |
| Badlands Snow Park | Recreation center | 772 Kinney Rd | Wed 1 PM–5 PM |
| Baer Manufacturing | Manufacturer | 924 Daily Rd | Mon–Thu 6 AM–2:30 PM |
| Bare + Balanced Aesthetics | Skin care clinic | 1600 Maxwell Dr #7 | Wed–Fri 9 AM–4 PM |
| Barker's Bar & Grill | Restaurant | 413 2nd St | Fri 11 AM–11 PM |
| Barlow Roots Market | Farm | 651 Old State Highway 35 | Fri 9 AM–7 PM |
| Barry Shaw Real Estate - Century 21 Affiliated | Real estate agent | 625 Commerce Dr Ste 212 | Daily 7 AM–9 PM |
| Bartholomew Law Office, S.C. | Attorney | 220 Locust St | Mon–Thu 9 AM–5 PM |
| Batteries Plus | Car battery store | 101 Carmichael Rd | Mon–Fri 8 AM–7 PM |
| Batteries Plus Phone Repair | Mobile phone repair shop | 101 Carmichael Rd | Fri 8 AM–7 PM |
| Baumer Drywall | Dry wall contractor | 601 Topaz Ln | Fri 7:30 AM–7:30 PM |
| BB Makeup | Beauty salon | 512 3rd St | Fri 8 AM–12 PM |
| Beacon Pointe Advisors | Financial planner | 2220 Jack Breault Dr | Mon–Fri 8:30 AM–5 PM |
| Bear Paw Inc. | Tax preparation service | 1810 Crest View Dr #1b | Mon–Fri 8 AM–5 PM |
| Beertech LLC | Car repair and maintenance service | 1086 Scott Rd | Mon–Fri 9 AM–5 PM |
| BetaByte Online | Website designer | 900 6th St N #105 | Mon–Sat 8 AM–4:30 PM |
| Beth Immanuel Messianic Synagogue | Messianic synagogue | 828 3rd St | Sat 9 AM–9 PM |
| Bethel Lutheran Church | Church | 504 Frontage Rd | Mon–Fri 8:30 AM–4:30 PM |
| Big Guy's BBQ Roadhouse | Restaurant | 1237 WI-35 | Mon–Thu 11 AM–12 AM |
| Bill's Gun Shop and Range Hudson | Gun shop | 1920 Crest View Dr | Mon–Sat 9 AM–9 PM |
| Biomedical Models LLC | Distribution service | 220 Locust St | Fri 9 AM–5 PM |
| Birkmose Park | Park | 329 Front St | Fri 6 AM–10 PM |
| Black Rooster Bistro | American restaurant | 516 2nd St | Wed 11 AM–9 PM |
| Blacktop Concepts | Asphalt contractor | 584 County Rd N | Fri 7 AM–5 PM |
| Blood Moon Tattoo | Tattoo and piercing shop | 155 2nd St S Ste 1 | Fri 9 AM–4:30 PM |
| Boat Ramp | Boat ramp | 305 1st St | Daily 8 AM–9 PM |
| Boldt's Plumbing & Heating Inc. | Plumber | 516 2nd St Unit 203 | Daily Open 24 hours |
| Bordertown Realty Inc | Real estate agency | 744 Ryan Dr #103 | Mon–Thu 8:30 AM–5 PM |
| Boudoir By KJ | Photographer | 155 2nd St S Suite 300 | Mon–Fri 8 AM–5 PM |
| Boumeester And Sons Excavating Contractors | Excavating contractor | 1070 WI-35 | Mon–Fri 8 AM–5 PM |
| Brad Hetland Group - Keller Williams Realty | Real estate agency | 632 6th St N | Mon–Tue 6 AM–10 PM |
| Brenda Daubenspeck ~ Realty ONE Group SIMPLIFIED | Real estate agent | 2501 Hanley Rd Ste 200 | Daily Open 24 hours |
| Brettin Orthodontics | Orthodontist | 944 Carmichael Rd | Mon 7:30 AM–4:30 PM |
| Brian Smith | Coldwell Banker Realty | Real estate agency | 2424 Monetary Blvd | Daily 9 AM–9 PM |
| Brian Webb - Your Friend In Real Estate | Property management company | 2424 Monetary Blvd | Daily 7 AM–9 PM |