| Green Mill Restaurant & Bar | Bar & grill | 2410 Gateway Ct | Mon–Tue 11 AM–10 PM |
| Grey and Grove | Clothing store | 212 Locust St | Fri 10 AM–7 PM |
| Growth Management Solutions | Business management consultant | 1301 Coulee Rd Ste 3 | Mon–Fri 9 AM–5 PM |
| Guardian Resources | Financial consultant | 1610 Maxwell Dr Ste 200 | Tue 9 AM–5 PM |
| Guinn, Vinopal & Zahradka, LLP | Accounting firm | 811 1st St #101 | Mon–Thu 8 AM–4:30 PM |
| Gully's Auto Glass | Auto glass shop | 923 Cloverleaf Cir | Mon–Fri 8 AM–5 PM |
| Hadkins Manufacturing Solutions, LLC | Machining manufacturer | 1615 Livingstone Rd | Mon–Thu 8 AM–5 PM |
| HadKins Rides | Motor scooter dealer | 1615 Livingstone Rd | Mon–Fri 9 AM–5 PM |
| Hair by Haley Jo | Hair salon | 2421 Hanley Rd #400 | Mon 10 AM–5 PM |
| Hair By Lindsey | Hair salon | 2421 Hanley Rd | Mon 9:30 AM–3 PM |
| Halverson Concrete | Construction company | 647 Brakke Dr | Mon–Fri 8 AM–5 PM |
| Hamernick's Flooring Solutions Hudson | Flooring store | 1621 Coulee Rd | Mon 9 AM–5 PM |
| Hartman Homes Inc. | Custom home builder | 865 Hartman Circle | Mon–Fri 8 AM–5 PM |
| Harvest Tec Inc | Farm equipment supplier | 2821 Harvey St | Mon–Fri 8 AM–5 PM |
| Harvestime Outreach Church | Church | 498 Jacobs Ln | Tue–Thu 10 AM–3 PM |
| Hauling It Away - Junk Removal and Dumpster Rental Company | Junk removal service | 592 Outpost Cir Ste L | Mon–Wed 6:30 AM–8 PM |
| HealthPartners Cancer Care at Hudson Hospital & Clinic | Cancer treatment center | 411 Stageline Rd | Mon–Fri 8 AM–4:30 PM |
| HealthPartners Clinic Hudson | Medical clinic | 411 Stageline Rd Ste 150 Suite #200 | Mon–Fri 7:15 AM–5 PM |
| HealthPartners Programs for Change Hudson | Addiction treatment center | 405 Stageline Rd | Mon–Fri 8 AM–9 PM |
| HearingLife of Hudson WI | Doctor | 2217 Vine St #205 | Mon 9 AM–5 PM |
| Helmer Dance Studio | Dance school | 2701 Enloe St | Mon–Tue 4 PM–9 PM |
| Heywood, Cari & Anderson S.C. | General practice attorney | 816 Dominion Dr | Fri 8 AM–1 PM |
| Hi-Tec Finishing | Painting | 581 Co Rd A | Fri 8 AM–11 AM |
| Hidden Fence of Western Wisconsin | Fence contractor | 640 Badlands Rd | Fri 7 AM–6 PM |
| Hideaway Hudson | Tobacco shop | 2117 Coulee Rd | Mon–Sat 9 AM–10 PM |
| Highnorth Dispensary - Hudson | Cannabis store | 502 2nd St #110 | Mon–Sat 10 AM–8 PM |
| Hillcity Church | Church | 403 St Croix St | Wed 5:30 PM–9:30 PM |
| Hilltop Service Center, Inc. | Auto repair shop | 1000 O'Keefe Rd | Mon–Fri 8 AM–6 PM |
| Hirshfield's Hudson | Paint store | 1801 Ward Ave. | Mon–Fri 7 AM–5 PM |
| Historic Casanova Liquor | Liquor store | 236 Coulee Rd | Daily 9 AM–9 PM |
| Home Electronic Systems | Home automation company | 732 Exchange Dr Ste 100 | Fri 8 AM–4 PM |
| Home Media Innovations Inc | Home theater store | 1510 Swasey St Ste a | Fri 9 AM–5 PM |
| Home Services at The Home Depot | Bathroom remodeler | 2330 Crest View Dr | Mon–Sat 6 AM–10 PM |
| Homestead Parklands County Park | Park | 550 Perch Lake Rd | Fri 8 AM–10 PM |
| Horse'n Around | Collectibles store | 888 Chippewa Path | Mon–Fri 10 AM–6 PM |
| HOTWORX - Hudson, WI | Yoga studio | 2240 Badger Dr | Mon–Thu 11 AM–8 PM |