United Lens Co., Inc.

United Lens Company, established in 1916, has evolved from a producer of molded spectacle lens blanks to a prominent manufacturer of coated, polished, and precision machined optics. As a family-owned business for over a century, they stand unique in the optical industry as a fully vertically integrated company, specializing in a variety of optical components and advanced surfacing technologies.

Boston Centerless

Boston Centerless is an industry leader in supplying precision bar materials, material testing services, and grinding services, specializing in close tolerances. We provide solutions to our customers to enhance their manufacturing processes.


Our focus is to deliver outstanding value. We serve customers all over the world in a variety of industries. The end result is always a high-quality product.

Jet Industries Inc.

Mica-Tron Products Corp.

Mica-Tron Products Corp. is an ITAR-registered, ISO 9001:2015 and AS9100D certified manufacturer, skilled in plastic and ceramic machining with CNC milling, turning, waterjet cutting, and grinding for the defense, aerospace, automotive, and medical industries.

P.G.L. Industries, Inc.

InMetal

For 75 years, InMetal has been one of New England's leading providers of precision sheet metal fabrication and assembly, from prototype through production. We provide complete engineering and CAD services. InMetal employs the latest state-of-the-art fabrication technology including CNC laser cutting, CNC punching, CNC forming, CNC milling and robotic welding.

Gradient Design & Engineering

MarverMed

Marver Med, a Primo Medical Group subsidiary since 1996, excels in CNC machining for medical devices and other critical industries from its Massachusetts base, offering high-precision components and end-to-end manufacturing services.

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Suppliers of Metal Working located in (Massachusetts, United States)

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