| Business | Phone |
| Tripp County 4-H Building S County Rd, Winner 57580 | (605) 842-1155 |
| Tripp County Assessments 200 E 3rd St, Winner 57580 | (605) 842-2300 |
| Tripp County Extension Svc 200 E 3rd St, Winner 57580 | (605) 842-2858 |
| Tripp County Highway Shop Tripp Ave, Winner 57580 | (605) 842-1956 |
| Tripp County Recycling Ctr 31718 278th St, Winner 57580 | (605) 842-3028 |
| Tripp County Register Of Deeds 200 E 3rd St, Winner 57580 | (605) 842-2208 |
| Tripp County Veterans Svc 200 E 3rd St, Winner 57580 | (605) 842-1300 |