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Grand Haven Custom Molding is a full service plastic injection molder producing millions of parts each year for manufacturing industries including Aerospace, Hydroculture, Healthcare, Industrial, Consumer, Electronic, Rigid Plastic and Urethane Packaging, Material Handling and more. Our capabilities allow us to serve our customers with a variety of production needs from Specialized Injection Molding, CNC Machining, and Rapid Prototyping for high volume parts manufacturing, all with the expertise to meet our customers needs.


Grand Haven Custom Molding offers a 150,000 sq. ft. manufacturing facility and a second 65,000 sq. ft. facility. Offering an in-house tool room for building, preventative maintenance, repair and fixture and end of arm tooling, as well as in-house CAD designers to aid with creating drawings and 3-D data from part concepts, we can bring your concepts to reality!

Material Silos Update:
(3) 120,000 lbs.
(1) 70,000 lbs.
(2) 65,000 lbs.
(4) 60,000 lbs.
(2) 55,000 lbs.

Gas Assist Molding:
(2) Gain Technologies Gas Assist Units

Warehousing, Inventory Management & logistics

Grand Haven Custom Molding offers warehousing, inventory management and logistics in our  150,000 sq. ft. manufacturing facility and in a second 65,000 sq. ft. facility. Streamlining the distribution process and giving our customers an exceptional value along with our exceptional service

3 Locations
150,000 Sq. Foot Facility
65,000 Sq. Foot Facility
50,000 Sq. Foot Facility

Injection Molding, Assembly & Packaging

We are veterans at custom molding injection and have processed the full gamut of performance materials from commodity grades to custom blends to conductive and engineering thermoplastic resins. Whether your product requires a single cavity, open and shut mold, or a complex, multi-cavity, multiple-gate, multiple-action tool, Grand Haven Custom Molding can handle your job.

Injection Molding, Assembly & Packaging Update
(1) 2700 Ton Horizontal
(3) 1500 Ton Horizontal
(1) 1200 Ton Horizontal
(2) 1100 Ton Horizontal
(2) 1000 Ton Horizontal
(1) 900 Ton Horizontal
(5) 500 Ton Horizontal
(1) 360 Ton Horizontal
(1) 212 Ton Horizontal
(2) 167 Ton Horizontal

Tooling Services

Tool Room capable of Tool Preventative Maintenance, Repair, Fixturing and End of Arm Tooling.

  • Jet Lathe
  • Surface Grinder
  • 9 Speed Drill Press
  • 25 Ton Hydraulic Press
  • Horizontal Band Saw
  • Double Head Grinder
  • Vertical Band Saw
  • Arbor Press
  • Vertical Mill
  • V Belt Sander
  • Profile Grinder
  • CNC Mill

Design & Color-Matching Services

We provide a one-stop product development and manufacturing process that translates into faster and more competitive plastics design, prototyping and molding services. We believe the design function is part of a total product development solution geared toward reducing cost and time-to-market.

  • In-House Auto CAD
  • 3-D data Concepts
  • Monitoring Implementations
  • Packaging Requirements
  • Product Launch
  • Experienced design-for-manufacturability
  • Engineering/ Design Analysis
  • Program Management
  • Quality Assurance
  • Tool Modifications
  • 3D Printer

Quality Standards & Practices

Producing high quality products is our #1 priority. Investing in state-of-the art injection molding technologies, process control systems and employee training allows us to meet or exceed our customers quality requirements. We have sophisticated measuring and testing equipment in-house to qualify all incoming raw materials to ensure that your products meet your exact specifications.

  • Temperature & Humidity Testing
  • Quality Standards and Practices
  • Cross Functional Teams
  • FMEA – Failure Mode and Effects Analysis
  • APQP – Advanced Product Quality Planning
  • MSA – Measurement System Analysis
  • 8-D Analysis
  • PPAP – Production Part Approval Process
  • Moisture Analysis
  • On Demand Customer Process Data

Shipping & Trucking

GRAND HAVEN CUSTOM MOLDING LLC is an active operating under USDOT Number 2113957 for hauling cargo.

  • (2) Trucks
  • (5) Trailers
  • Carrier Operation: Interstate
  • USDOT: 2113957
  • (2) Tractors
  • (2) Drivers
  • MCS-150 Mileage Year: 2014
  • Hazardous Material: NO