| Business | Phone |
| Ajr Merchandise Corp 3907 Rfd, Lake Zurich 60047 | (847) 438-6069 |
| Distribco 1111 S Drexel Ave, Lake Zurich 46203 | (317) 353-8687 |
| National Engineered Products 1 Hilltop Ct, Lake Zurich 60047 | (847) 726-8005 |
| General Aviation Svc Inc 430 Telser Rd, Lake Zurich 60047 | (847) 726-5000 |