Skip to content
Custom Plastics International

Custom Plastics is a World Class Injection Molding Company located in Cobourg, Ontario. Customer Service, Timely Delivery, a keen appreciation for Cost and a high Quality Standard make CPI an excellent partner for plastic parts. When comparing with Plastics Injection Molders worldwide, CPI remains at the top of their game in this highly competitive market.

Nestor Baryliuk
Director of Special Projects
Christie Digital Systems Inc.


Big company skills and processes but small company efficiency and attention to details.

Michael Hotchkiss
R&D Manager Mechanical
Siemens Milltronics Process Instruments Inc.


As our primary supplier of plastic injection moulded products for the last 12 years, CPI has been integral in keeping TrojanUV competitive from the perspective of both value and design. Their engineering and customer support are exemplary .

Randy Haill
C.P.P., Director of Global Procurement,
Trojan UV