Mainland Products, Inc.

Custom Molds for the Plastic Industry


Mainland Products, Inc.
2161 Maple Privado
Ontario, CA 91761
(909) 923-4353


Established in 1982, Mainland Products, Inc. has decades of experience manufacturing quality, custom tooling and aluminum molds. Located in Southern California, Mainland Products Inc. is in the perfect position to service all of North America, South America and abroad.

Our clientele include industries such as: automotive, medical, recreation, military, shipping containers, commercial refuse, etc. Our dedication to our clients, reliability, quality, and overall value sets us apart from the competition.

Our full-service facility can handle any need from concept designs to models, patterns, molds, first plastic samples and first articles. We easily take design concepts from prototype to foundry to end use. One major advantage of trusting Mainland Products with your project is our strong business ties and history with Roto-Lite, Inc. Working as a team, we take complete care of our customers.

Our primary mission is to always offer the best customer service possible. To accomplish this goal we provide the following in-house services:

When you are in a pinch with your current molder—call us! We will turn your project around and get you out of any undesirable situation.