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  7. CEM Ltd
CEM Ltd logo

CEM Ltd

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Holtsville, NY 11742
631-758-8100
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At a glance

Employee size
11-50
Organization type
Privately Held
Headquarters
Holtsville, NY
Founded
2000
UEI
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CAGE
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About

CEM Ltd. was formed in 2000 through the merger of 4Di and Flowtronics, bringing more than 40 years of combined printed-circuit-board experience to its 30,000-square-foot Holtsville facility. The company supports military and medical customers with in-house contract engineering and manufacturing, including printed circuit board production. It is AS 9100 certified, ITAR registered, and trains employees to IPC/J-STD standards.

Capabilities and markets

Products

Manufacturing processes

Materials worked

Service offerings

Economic activities

End markets served

Directory supply chains

Classification

NAICS codes

Certifications and registrations

Certifications

  • AS 9100

  • IPC-A-610

    Compliance program

  • J-STD-001

    Compliance program

  • ITAR Registered

    Registration

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  • RCE Manufacturing LLC logoRCE Manufacturing LLCEstablished in 2015 by manufacturing-industry veterans, RCE Manufacturing provides advanced printed circuit board assembly and turnkey electronic manufacturing services from prototypes through production. The Hauppauge company also supports electromechanical box builds and materials procurement, pairing more than 50 years of industry experience with an ISO 9001:2015 quality management system. Its assemblies follow ESD protection procedures and IPC-A-610 inspection standards.HAUPPAUGE, NY
  • Zentech Manufacturing logoZentech ManufacturingSince 1998, Zentech Manufacturing has built high-complexity electronic and electromechanical assemblies for mission-critical defense, aerospace, and medical applications. The company operates 180,000 square feet across three manufacturing sites, with a particular focus on low- to medium-volume, high-reliability work and 100% testing for its predominantly military customer base. Zentech’s Baltimore facility holds IPC 610 Class 3 Mission Critical QML and J-STD-001 Space/Military Addendum QML credentials, distinctions it identifies among only a small number of U.S. contract manufacturers.WINDSOR MILL, MD
  • Ace Electronics logoAce ElectronicsAce Electronics began in 1978 as a family-oriented company founded by three telecommunications industry experts, and it remains shaped by that interconnect heritage. Today, the company serves commercial, industrial and military customers as a U.S. contract manufacturer, with particular experience supporting defense programs. Its quality system is certified to AS9100D and ISO 9001:2015 standards.ABERDEEN PROVING GROUND, MD
More manufacturers in New York

Contact information

Website

cemltd.com

Emails

  • sales@cemltd.com

Phone numbers

  • 631-758-8100

Social

Locations

CEM Ltd location map for 700 BLUE POINT RD

700 Blue Point Rd

Holtsville, NY 11742

Suffolk County

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Directory source

Source
cemltd.com
Updated
Sep 2026