| Business | Phone |
| Zurich Industries Inc 21910 W Highway 22, Lake Zurich 60047 | (847) 540-0686 |
| Ang & Assoc 5902 Finch Ct, Lake Zurich 60047 | (847) 634-3017 |
| Aquatrac Instruments Inc 21060 N Rand Rd, Lake Zurich 60047 | (847) 550-0948 |
| Cortech Industries Inc 4 Victoria Ln, Lake Zurich 60047 | (847) 550-1902 |
| Piping Stress Inc 4131 3 Lakes Dr, Lake Zurich 60047 | (847) 913-8284 |