| Business | Phone |
| Arrowhead Docks & Lifts Inc 1916 Kenwood Dr, Duluth 55811 | (218) 728-1494 |
| Bayfront Shoreline 1900 Saint Louis Ave, Duluth 55802 | (218) 727-6898 |
| Hallett Dock Co 500 S 59th Ave W, Duluth 55807 | (218) 624-0161 |
| Superior Shoreline Systems 4144 Andler Rd, Duluth 55803 | (218) 348-3625 |