| Business | Phone |
| North End Tool Mfg Inc 824 Anita Ave, Antioch 60002 | (847) 395-8665 |
| Davis William & Co 488 Donin Dr, Antioch 60002 | (847) 395-6860 |
| Form Machining Co 284 Main St, Antioch 60002 | (847) 838-1070 |
| Mc Arthur Machining 301 Main St 206, Antioch 60002 | (847) 838-6998 |
| Leppala Machining Inc 301 Main St, Antioch 60002 | (847) 838-1858 |