| Business | Phone |
| Aaa Fence Supply 3442 N Cicero Ave, Chicago 60641 | (773) 384-8686 |
| Able Welding Inc 1613 W Walnut St, Chicago 60612 | (312) 243-2474 |
| All Style Iron Products Inc 161 W 87th St, Chicago 60620 | (773) 483-8140 |
| Blackhawk Steel 1700 W 74th Pl, Chicago 60636 | (773) 778-4100 |
| Huron Street Lofts 225 W Huron St, Chicago 60610 | (312) 895-5638 |
| Builders Chicago 4655 W Arthington St, Chicago 60644 | (773) 626-4123 |
| Chicago Metallic Corp 4849 S Austin Ave, Chicago 60638 | (708) 563-4600 |
| Coburn Steel Fabricators Inc 2864 E 95th St, Chicago 60617 | (773) 375-0545 |
| David Architectural Metals Inc 3100 S Kilbourn Ave, Chicago 60623 | (773) 376-3200 |
| K & K Iron Works Inc 3123 S California Ave, Chicago 60608 | (773) 523-4096 |
| 24 Kt Iron Works 5301 S Western Blvd 1, Chicago 60609 | (312) 433-0024 |
| Orsolini Welding & Fabricating 3040 W Carroll Ave, Chicago 60612 | (773) 722-9855 |
| Vector Custom Fabricating 2128 W Fulton St, Chicago 60612 | (312) 421-5161 |
| Lewis Metals 505 W Grant Pl, Chicago 60614 | (773) 529-0856 |
| Western Architectural Iron Co 3455 N Elston Ave, Chicago 60618 | (773) 463-1500 |
| Old Style Iron Works 7843 S Claremont Ave, Chicago 60620 | (773) 476-4212 |
| V & N Metal Product Corp 2320 W 78th St, Chicago 60620 | (773) 436-1855 |
| Source Industrial Miller 1229 N North Branch St 212, Chicago 60622 | (773) 528-6000 |
| Val-Pero Enterprises Inc 1648 N Throop St, Chicago 60622 | (773) 276-1267 |
| W W Engineering 4321 W 32nd St, Chicago 60623 | (773) 376-9494 |
| South Shore Iron Works 407 W 109th St, Chicago 60628 | (773) 264-2267 |
| Kcp Metal 5475 N Northwest Hwy, Chicago 60630 | (773) 775-0318 |
| L & M Welding 4619 W Armitage Ave, Chicago 60639 | (773) 237-8500 |
| Midwest Perforating & Stamping 2416 W Ogden Ave, Chicago 60608 | (312) 733-5822 |
| Spankie's Towing 558 W 37th St 245, Chicago 60609 | (773) 376-6650 |
| Miller's Eureka Inc 2121 W Hubbard St, Chicago 60612 | (312) 666-9383 |
| Prospect Steel 2251 S Michigan Ave 230, Chicago 60616 | (312) 617-8737 |
| R & E Maintenence & Engineer Chicago 60618 | (773) 539-4905 |
| Moi Steel Mfg 7545 S Claremont Ave, Chicago 60620 | (773) 434-1800 |
| Popular Iron Works 7800 S Claremont Ave, Chicago 60620 | (773) 863-1265 |
| Russell's Welding & Mfr 6028 S Perry Ave, Chicago 60621 | (773) 493-5550 |
| Mannesmann Pipe & Steel 8700 W Bryn Mawr Ave, Chicago 60631 | (773) 714-4960 |
| Great Western Steel 2310 W 58th St, Chicago 60636 | (773) 776-0532 |
| Jade Sterling Steel 5100 W 73rd St, Chicago 60638 | (708) 728-9750 |
| U S Cutting 6360 W 73rd St, Chicago 60638 | (708) 458-0750 |
| Temple Steel Co 5500 N Wolcott Ave, Chicago 60640 | (773) 250-8000 |