| Business | Phone |
| John O'Neill's Welding & Mach 523 Alder St W, Dunnville N1A 1S2 | (905) 774-6502 |
| Mikro-Tek 785 Hwy 3 W, Dunnville N1A 2W4 | (905) 774-3930 |
| Schurer Custom Machining 722 Broad St E, Dunnville N1A 1H1 | (905) 774-3559 |
| Thomas Mains Ltd 117 Main St E, Dunnville N1A 1J8 | (905) 774-6011 |
| D-M Precision Products 705 Main St E, Dunnville N1A 2W5 | (905) 774-6874 |
| Garringer's Machine Shop 610 Tamarac St, Dunnville N1A 2E1 | (905) 774-4143 |