| Business | Phone |
| Weston Solutions Inc 750 E Bunker Ct 500, Vernon Hills 60061 | (847) 918-4000 |
| Trico Industrial Corp 44 Constitution Ct, Vernon Hills 60061 | (847) 816-3085 |
| Rolf Jensen & Assoc Inc 616 Atrium Dr, Vernon Hills 60061 | (847) 918-4900 |
| Manhard Consulting Ltd 900 Woodlands Pkwy, Vernon Hills 60061 | (847) 634-5550 |
| Lorry M Tenenbaum 50 Lakeview Pkwy, Vernon Hills 60061 | (847) 918-9740 |
| Lorry M Tenenbaum 7019 Brookville Rd, Vernon Hills 46239 | (317) 322-5208 |