| Business | Phone |
| A G Welding 4711 W Lake St, Chicago 60644 | (773) 261-0575 |
| Speel Publication Welding 4049 W Ogden Ave, Chicago 60623 | (773) 965-1630 |
| All American Iron & Welding Chicago 60631 | (773) 775-0948 |
| Atomoweld Inc 5515 W Montrose Ave, Chicago 60641 | (773) 736-5577 |
| Bulaw Welding & Engineering Co 2415 W Belmont Ave, Chicago 60618 | (773) 935-3464 |
| Circle Industries Inc 548 N Sacramento Blvd, Chicago 60612 | (773) 265-9898 |
| Custom Metal Work Corp 2833 W Chicago Ave, Chicago 60622 | (773) 235-7001 |