| Business | Phone |
| Ameritron 420 S Rohlwing Rd, Addison 60101 | (630) 576-5089 |
| I R Security & Safety Consult 2171 W Executive Dr 200, Addison 60101 | (630) 582-9800 |
| Jit Supply Co 1723 W Armitage Ct, Addison 60101 | (630) 916-9696 |
| K D Fasteners 1440 Jeffrey Dr, Addison 60101 | (630) 543-1160 |
| Lawson Products Inc 2350 W Pinehurst Blvd, Addison 60101 | (630) 916-9920 |
| Locknut Technology 351 S Lombard Rd, Addison 60101 | (630) 628-5330 |
| Mercuria Co 849 S Westgate St, Addison 60101 | (630) 458-8400 |
| Pan-American Fasteners 424 W Belden Ave, Addison 60101 | (630) 458-9731 |
| Rhino Fastners Inc 367 S Rohlwing Rd D, Addison 60101 | (630) 620-7526 |
| Secure Tool & Fasteners Co 1235 Capitol Dr C, Addison 60101 | (630) 543-1503 |
| Solar Screw Corp 12 W Interstate Rd, Addison 60101 | (630) 543-0700 |
| T J Tool 114 W Fay Ave, Addison 60101 | (630) 543-3595 |
| Waich Industries Inc 1001 W Republic Dr, Addison 60101 | (630) 628-1025 |