Engineered Injection Molding, Stamping & Assemblies

IATF 16949

Address: 450 32nd Street SW, Grand Rapids MI  49548 Phone: (616) 452-6061 Fax: (616) 452-3835

Manufacturing Capabilities
Quality Assurance
Assembly & Packaging
Product Showcase
Contact Info
Supplier Manual
IATF 16949 Certification
Conflict Materials

AMPI has Journeyman Tool Makers on site!  Fabrication Tooling, Injection Molds, Stamping Dies, Preventive Maintenance Tooling & Assembly Equipment & Gages.

Full PPAP Service Included: Testing, Layouts, Capability Studies, IMDS Reporting & Reliability Studies


Concept/Design services provide customers with creative solutions to complex needs.

Material thickness capabilities up to 6.5mm provides AMPI with the flexibility to produce light trim parts to heavy chassis, power train and cooling system components.

Secondary stamping presses allow us to finish complex progressive parts.

Metal assemblies are completed in-house utilizing our full welding capabilities.

Design Capabilities/CAD

AMPI utilizes 3 CAD systems: Catia V & Unigraphics. These systems combined with continuous software updates and ongoing education provide our customers with full service design support and development.  A program can be designed as a black box or an existing design can be incorporated.

Advanced software allows testing of new designs utilizing virtual prototyping.

Rapid Prototyping is also available.


AMPI produces injection molded thermoset plastic parts.  These plastics are used in electrical and high heat applications.

A full range of plastic injection molding machines provide high quality engineered thermoplastics components.  These components range in size from chairs and fender shrouds to small interior trim parts. All parts can be 100% molded in color to meet our customer's stringent color requirements.


1968 - 2019 American Metals & Plastics, Inc.
450 32nd Street SW ~ Grand Rapids MI 49548
Phone: (616) 452-6061 ~ Fax: (616) 452-3835