Grant Engineering & Manufacturing

Located in California, Grant Engineering & Manufacturing has been helping customers create high-quality precision parts from injection-molded plastics since 1982. We are a full-service injection-molded plastics manufacturer and tooling company with the facilities and expertise to contribute whatever our customers need at any stage of the process_x0097_engineering input on manufacturability of product designs, complete tooling services, manufacturing, kitting and assembly to finished goods. From biotech to high tech, for niche markets and consumer products, our collaborative, responsive work style has helped engineers, product managers, and inventors successfully deliver high-precision parts that meet or exceed their expectations for quality, turnaround time, and cost.

ARRK Product Development Group

Saliga Machine Co.

MMI Co LLC

Elite Mold & Engineering, Inc.

Molding Concepts, Inc.

We've been in business for over 30 years and at the same location. 


We are ISO 9001:2008 compliant and are in the process of converting to ISO 9001:2015.


We are a manufacturer of plastic injection molds and parts.


Aluminum, steel, prototype and production tooling.


Standard plastic to High Temperature plastic.

Root3 Labs

We're often asked what differentiates us from other design engineering firms and why our customers keep coming back year after year. Most often, the feedback we hear is related to Passion, Process, and Thoughtfulness. Our engineers have a passion for unsolved problems. We do this for fun - it's our Happy Place. We follow a First Principles process of breaking down obstacles into their most fundamental pieces then Design, Prototype, & Test solutions one at a time before putting it all back together. Finally, we look at details from different perspectives, how they integrate with other aspects of the design, and how they might affect everything from the manufacturing cost, assembly, reliability, customer experience, and beyond.

Manufacturing capabilities

Country

Specialized services

Certifications

Specialized solutions and distribution

Industry Expertise

Suppliers of Additive Manufacturing specializing in Plastics UHMW

Manufacturing capabilities: