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HN Precision Products (Nationwide Precision Products Corp) is a manufacturer on the MFG platform. They specialize in Die CastingMachiningSand Mold Casting.

GPI Prototype

Lake Bluff, Illinois

Job Shop / Contract Manufacturer


GPI Prototype & Manufacturing Services, Inc. is a privately owned service bureau specializing in rapid prototyping and short-run manufacturing using additive manufacturing technologies. GPI Prototype specializes in several rapid prototype/additive manufacturing technologies that accelerate product development life cycles, notably Direct Metal Laser Sintering, Objet 3D Printing, and RTV Tooling. These technologies have virtually limitless applications, and maintain vast potential to radically impact multiple markets.

GPI Prototype is a division of Galloway Plastics, Inc. and sister company of GPI Anatomicals. Galloway Plastics was founded in 1980 by Scott Galloway as a custom manufacturer of promotional products. Our product design/engineering experience has ranged from promotional toys and products for companies like McDonald's and Kellogg's, to Pharmaceutical/Device implant markets. GPI utilizes both domestic and China production facilities to meet the needs of our customers; needs that require GPI products to meet zero defect levels in safety for children or in medical accuracy.

Over the past 29 years our prototype expertise and services have been utilized in support of in-house needs and customer requirements. Today, GPI Prototype is taking all of its rapid prototype capabilities and offering them to every major industry.

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