| Business | Phone |
| Central Texas Testing 304 S Penn St, Flatonia 78941 | (361) 865-2971 |
| Lower Colorado River Authority 218 E Old Hallettsville Rd, Flatonia 78941 | (361) 865-3569 |
| Olmos Masory 314 S Penn St, Flatonia 78941 | (361) 865-3996 |
| Rpk Sales Inc 4009 Burke Ln, Flatonia 78941 | (361) 865-2823 |