| Business | Phone |
| Val-Test Distributors 1515 E Woodfield Rd, Schaumburg 60173 | (847) 413-9900 |
| J T Industries 622 Lunt Ave, Schaumburg 60193 | (847) 301-6933 |
| M T Tools Mfg Inc 1118 Lunt Ave F, Schaumburg 60193 | (847) 985-6211 |
| R A Webley Inc 1690 Chippendale Rd, Schaumburg 60194 | (847) 843-0346 |
| T S Industries Inc 1900 E Golf Rd, Schaumburg 60173 | (847) 884-8426 |
| Schaumburg Lock & Key 5390 Fox Path Ln, Schaumburg 60192 | (847) 895-7788 |
| Snap Hardware Inc 523 S Walnut Ln, Schaumburg 60193 | (847) 985-9333 |