MFG Manufacturer Directory

Find the right manufacturer for your custom parts.

Johnson Precision, Inc.

Amherst, New Hampshire


JOHNSON PRECISION, INC. (JPI) is one of New England’s leading full service and vertically integrated custom mold manufacturing, machining and molding companies, offering Engineering,Mold Making, Custom Machining, Plastic Injection Molding, Insert Molding, Metal Injection Molding, Rapid Prototyping, Assembly and Packaging, Laser Marking, Microscopic TIG Welding, Mold/Tooling Repair Program. We specialize in intricate and delicate device fabrication and assembly. Additionally, we offer a variety of sophisticated and traditional manufacturing services. From mold design and injection and insert molding to custom machining and specialty services -- JPI helps customers get their products from concept through production to market -- on time and on budget. We are experienced in medical, dental, surgical, high-end electronic and specialty devices. We work with the following industries: Aerospace Automotive Electronics Firearms Medical/Dental/Surgical Specialty Devices Wax Injection Molding FOR MORE INFORMATION CONTACT: Kevin St.Onge at cell 908-233.8753 or email

S & S Machine

Amherst, New Hampshire

S & S Machine is located in Amherst, New Hampshire, United States and specializes in manufacturing the following processes: Fabrication, 3D Printing, Gears, Machining, Stamping.




GREAT LAKES MANUFACTURING LLC is located in AMHERST, Ohio, United States and specializes in manufacturing the following processes: Electro-Mechanical Assembly, Machining, Wire Harness, Fabrication.

Snapdragon Engineering LLC

Amherst, Massachusetts

Job Shop / Contract Manufacturer


Contract manufacturing, prototyping and product design development.  Serving clients in automotive, sports and recreation equipment, education, and scientific research fields. Particular capabilities include the application of machining, welding, and fabrication techniques toward the production of complex assemblies. 




Greenfield Industries Inc

Amherst, New Hampshire



Sheet metal fabricator , Steel , Stainless Steel , Alumium , Copper and Galvanized Metals . Custom steel Weldments .

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