| Business | Phone |
| Advanced Plumbing & Heating 530 E Dover Rd, Princeton 61356 | (815) 872-1495 |
| Carl Ellberg Jr Plumbing & Htg 1207 N Main St, Princeton 61356 | (815) 875-2717 |
| Dan Whitlock Plumbing & Htg 1815 S Euclid Ave, Princeton 61356 | (815) 872-4541 |
| Malm Plumbing Heating & Ac 303 W Marquette St, Princeton 61356 | (815) 875-2767 |
| Pots R Us 225 S Fairground Ave, Princeton 61356 | (815) 872-9161 |
| Pioneer Plumbing Inc 906 W Hudson St, Princeton 61356 | (815) 872-5055 |