| King Web Agency | Website designer | 1214 Hanley Rd | Mon–Fri 8 AM–5 PM |
| Kingdom Buffet | Chinese restaurant | 2312 Crest View Dr | Tue–Sun 11 AM–9 PM |
| Kitty Tube, LLC | Pet supply store | 579 Schommer Dr Ste e | Fri 8 AM–4:30 PM |
| KLB Studio | Hair salon | 2421 Hanley Rd #400 | Mon 10 AM–9 PM |
| Knoke's Chocolates and Nuts | Chocolate shop | 218 Locust St | Mon–Thu 10 AM–9 PM |
| KOBRA Molds LLC | Molding supplier | 2801 Enloe St | Fri 7 AM–3 PM |
| Konnor Garrido Edina Realty Hudson | Real estate agent | 400 2nd St S | Fri Open 24 hours |
| Konrad Corporation | Machine shop | 1421 Hanley Rd | Mon–Fri 7 AM–4:30 PM |
| Kosa Law Offices: Stephen Kosa | Estate planning attorney | 1290 Hosford St a | Mon–Fri 8:30 AM–5 PM |
| Kremer Brothers Construction Company | Roofing contractor | 516 2nd St #202 | Fri 7 AM–9 PM |
| Kroll & Associates Architecture, LLC | Architect | 720 1st St #1n | Fri 9 AM–5 PM |
| Kuehl's Canvas | Boat cover supplier | 729 Exchange Dr | Fri 9:30 AM–5:30 PM |
| La Vie Est Belle | Gift shop | 421 2nd St | Mon–Wed 11 AM–5 PM |
| Lahti Lounge | Beauty salon | 511 2nd St Ste 013 | Fri 9 AM–3 PM |
| Lakefront Framing LLC | Picture frame shop | 100 Commercial St | Mon–Fri 10 AM–5 PM |
| Lakefront Park | Park | 1st St | Daily 7 AM–10 PM |
| Land Title Inc. | Title company | 2424 Monetary Blvd | Fri 8 AM–5 PM |
| Lang Equipment LLC | Tractor dealer | 627 Commerce Dr | Mon–Fri 9 AM–6 PM |
| Laser Magic Inc | Laser cutting service | 1540 Livingstone Rd | Mon–Fri 8 AM–4:30 PM |
| Laura Farley Edina Realty | Real estate agent | 400 2nd St S Ste 130 | Daily Open 24 hours |
| LBM Stone and Metal Fabrication | Stone cutter | 580 Schommer Dr | Mon–Fri 7 AM–5 PM |
| Leading Edge Contracting, LLC | Construction company | 1601 Industrial St | Mon–Fri 7 AM–5 PM |
| Leeann Chin | Chinese restaurant | 2280 Badger Dr | Daily 11 AM–9 PM |
| Legacy Concrete Coatings | Concrete contractor | 650 Brakke Dr | Fri 8 AM–4 PM |
| Legacy Title | Title company | 2501 Hanley Rd Ste 104 | Fri 8 AM–5 PM |
| Leitch-McSorley Insurance Agency LLC | Insurance agency | 529 2nd St | Mon–Fri 9 AM–5 PM |
| Leverty Financial Group | Financial planner | 201 2nd St S | Fri 8 AM–4 PM |
| Lifetime Wealth Advisors | Financial advisor | 1600 Maxwell Dr #2 | Mon–Fri 9 AM–5 PM |
| Lil' Crappie Swim School | Swimming school | 612 Wisconsin St N | Thu 6:30 PM–8:30 PM |
| Limitless Cycling | Non-profit organization | 785 Martin Avenue | Mon–Fri 10 AM–4 PM |
| Lindyspring Systems LLC | Water softening equipment supplier | 593 Schommer Dr | Fri 7 AM–7 PM |
| Lisa Buth Photography | Photographer | 431 2nd St Ste 105 | Fri 9 AM–5 PM |
| Living Vine Community Church | Non-denominational church | Downtown Hudson 3rd & Vine, 309 Vine St | Mon 9 AM–12 PM |
| LMX Truck and Trailer Repair | Truck repair shop | 2800 Enloe St | Mon–Fri 8 AM–6 PM |
| Loanmax Title Loans | Loan agency | 1409 Coulee Rd | Fri 10 AM–6 PM |
| LoLo American Kitchen & Craft Bar Hudson | American restaurant | 175 2nd St S | Fri 11:30 AM–9 PM |