Mainline Manufacturing Company is a quality driven company with a focus on diversity and innovation. Our diverse talents can take your project beyond being just a plastic part, and encompass an entire range of additional operations that will produce a finished, market-ready product. We are innovative and resourceful, and have suppliers and specialty contract manufacturers ready to assist us in whatever your project requires.
From plastic injection molding to product decoration, die cutting to stamping, prototyping to final packaging…..
We’re NOT afraid of the hard ones!
Mainline Manufacturing Company
329 N Colfax Street
Griffith, IN 46319
33T to 55T presses with a maximum 2.25oz to 2.97oz shot size.
Finish your product with coatings, anodizing or other decorative finishes.
Bag & Tag
Combine multiple parts into a single finished product.
Injection mould design and build capabilities, secondary operation fixtures and tooling, and automation.