| Business | Phone |
| S & S Truck & Tractor 600 W Irving Park Rd, Schaumburg 60193 | (847) 584-2000 |
| Konan Spring Corp 635 Cooper Ct C, Schaumburg 60173 | (847) 781-1002 |
| Mikuni American Corp 1599 Wilkening Rd, Schaumburg 60173 | (847) 781-2000 |
| Quality Float Works Inc 1382 Payne Rd, Schaumburg 60173 | (847) 781-8960 |
| Radiant Labs Llc 1173 Tower Rd, Schaumburg 60173 | (847) 879-7740 |
| S & S Automotive 2104 Stonington Ave, Schaumburg 60195 | (847) 843-7871 |