| Business | Phone |
| Bearing Distributors Inc 5480 W Roosevelt Rd, Chicago 60644 | (773) 378-7200 |
| G & G Machine Works Inc 1033 N Kolmar Ave, Chicago 60651 | (773) 464-0780 |
| Brenco Inc 725 W Irving Park Rd, Chicago 60613 | (773) 327-6628 |
| Fag Bearings Corp 3513 N Racine Ave, Chicago 60657 | (773) 528-1523 |