| Business | Phone |
| Century 21 Advantage Ii 120 5th St Se, Watertown 57201 | (605) 886-4100 |
| Coldwell Banker Roby Agcy Rltr 818 S Broadway, Watertown 57201 | (605) 886-0000 |
| Diversified Real Estate Svc 101 5th St Se, Watertown 57201 | (605) 886-2000 |
| Realty Team 718 9th Ave Se, Watertown 57201 | (605) 886-6100 |
| Edina Realty Inc 16688 450th Ave, Watertown 57201 | (605) 882-0669 |
| Haan-Kline Realty 1612 9th Ave Sw, Watertown 57201 | (605) 882-3954 |
| Haugan Nelson Realty 727 S Broadway, Watertown 57201 | (605) 886-7080 |
| Jazzy Properties 1320 Mayfair Dr, Watertown 57201 | (605) 886-2919 |
| Jess Lamp Real Estate 4 S Broadway, Watertown 57201 | (605) 886-0615 |
| Kemink Land Co 420 10th St Nw, Watertown 57201 | (605) 886-0440 |