| Business | Phone |
| Afa Machining & Welding 29015 Plank Rd, Burlington 53105 | (262) 534-5506 |
| Burlington Machine Tool Mfg Co 301 W Market St, Burlington 53105 | (262) 763-6001 |
| Schafer Manufacturing Inc 137 Industrial Dr, Burlington 53105 | (262) 763-3134 |
| Rivco Products 440 S Pine St, Burlington 53105 | (262) 763-8222 |