| Business | Phone |
| Superior Thread Rolling 2011 S Laflin St, Chicago 60608 | (312) 666-9272 |
| Wheeling Metal Processing Co 1338 W Cermak Rd, Chicago 60608 | (312) 421-7271 |
| Wheatland Tube 4435 S Western Blvd, Chicago 60609 | (773) 579-2100 |
| Nippon Steel Usa Inc 900 N Michigan Ave, Chicago 60611 | (312) 751-0800 |
| Illinois Scrap 2048 W Hubbard St, Chicago 60612 | (312) 421-0563 |
| Monarch Steel Co 2464 N Clybourn Ave, Chicago 60614 | (773) 929-2050 |
| J & S Tool & Engineering Co 4142 W Lake St, Chicago 60624 | (773) 826-5028 |
| Siegal Steel Co 4747 S Kedzie Ave, Chicago 60632 | (773) 927-7600 |
| Transload Services 13535 S Torrence Ave, Chicago 60633 | (773) 646-6363 |
| Metal Management Midwest 6660 S Nashville Ave, Chicago 60638 | (708) 563-2452 |
| Andrew M Sandberg 530 N Lake Shore Dr, Chicago 60611 | (312) 245-0411 |
| U S Steel Corp 8555 S Green Bay Ave, Chicago 60617 | (773) 933-3300 |
| Braeburn Alloy Steel 7545 S Claremont Ave, Chicago 60620 | (773) 360-5215 |
| Ideal Gerit Drum Ring Mfg Inc 4401 W Roosevelt Rd, Chicago 60624 | (773) 277-1880 |
| Marcell Paper & Metal Inc 4221 W Ferdinand St, Chicago 60624 | (773) 265-1200 |
| Ryerson 720 E 111th St, Chicago 60628 | (773) 468-2121 |
| Tempel Steel Co 5454 N Wolcott Ave, Chicago 60640 | (773) 271-6700 |
| Sheffield Steel Corp Industry Ave, Chicago 60657 | (773) 242-4730 |