| Business | Phone |
| Chamber Of Commerce 100 3rd St W, Lemmon 57638 | (605) 374-5716 |
| Lemmon Finance Office 303 1st Ave W, Lemmon 57638 | (605) 374-5681 |
| Lemmon Housing & Redev Comm 206 6th St E, Lemmon 57638 | (605) 374-5963 |
| Lemmon Petrified Museum 500 1/2 Main Ave, Lemmon 57638 | (605) 374-3964 |