| Business | Phone |
| Haudrich Drilling Co 4644 Kk Rd, Waterloo 62298 | (618) 458-6667 |
| Liefer's Garage Inc 600 S Market St, Waterloo 62298 | (618) 939-7316 |
| Waterloo Automotive Llc 622 N Market St, Waterloo 62298 | (618) 939-5855 |
| Precision Automotive 613 S Market St B, Waterloo 62298 | (618) 939-3703 |