| Business | Phone |
| Mastermold Limited 255 Bathurst Dr, Waterloo N2V 2E4 | (519) 747-9022 |
| Ultra Manufacturing 555 Parkside Dr, Waterloo N2L 5E7 | (519) 884-0448 |
| Van Der Zwaag Moulds & Dies 95 Rankin St, Waterloo N2V 1W2 | (519) 747-0494 |
| Waterloo Tool & Die 90 Rankin St, Waterloo N2V 2B3 | (519) 747-2351 |
| C & A Krueger Ltd 595 Colby Dr, Waterloo N2V 1A1 | (519) 746-7162 |
| Colby Manufacturing Ltd 580 Colby Dr, Waterloo N2V 1A2 | (519) 884-3290 |
| Duron Plastics Ltd 430 Conestogo Rd, Waterloo N2L 4E2 | (519) 884-8011 |