| Business | Phone |
| Glenview System Inc 1919 Pickwick Ln, Glenview 60026 | (847) 724-2691 |
| K & A Precision Machining Inc 2500 Ravine Way, Glenview 60025 | (847) 998-1933 |
| R A Zweig Inc 2500 Ravine Way, Glenview 60025 | (847) 832-9001 |
| United Standard Industries 2062 Lehigh Ave, Glenview 60026 | (847) 724-0350 |