Disrupting The Industry

M&A Program

With custom-native as our DNA combined with a singular focus on our customers, AEM is uniquely positioned to build and innovate application-specific solutions that meet our customers’ test needs. Our M&A program will continue to be a strong complement to the organic growth of our technological talents and capabilities to drive AEM forward as a leader in the test industry.

Acquired companies


CEI Limited

AEM completed its acquisition of CEI in early 2021. CEI Limited is a provider of printed circuit board and box-build assembly, equipment design, cable harness assembly and manufacturing services. They also provide value-added services such as materials management, circuit layout, prototype & development engineering, metal stamping, cable harnessing and precision machined components.

The CEI team now sits under PCBA.


Lattice Innovation, Inc

Lattice Innovation, Inc is a California-based company with exceptional design, simulation, and process services in the active thermal control space. Lattice Innovation’s capabilities combined with AEM’s existing comprehensive thermal management, vision, and deep automation solutions ensure that AEM will continue to deliver exciting, industry-leading test solutions for the Computing, Automotive, Mobility, and Optical Electronics test markets.


DB Design Group, Inc.

AEM closed its acquisition of California-based DB Design Group, Inc in July 2020. DB Design is a world-renowned supplier of automation fixtures, device kits, and other test-related products. This acquisition strengthens AEM’s design and application engineering capabilities in the consumables space, expands AEM’s customer portfolio in the semiconductor and electronics spaces, and gives AEM an expanded R&D and engineering presence in the US, enhancing AEM’s overall customer intimacy.

You may find out more about our Test Interface Solutions here.



In the first quarter of 2020, AEM completed the acquisition of Mu-TEST, a French-based provider of highly customizable, application-specific, FPGA-based testers. Mu-TEST’s strong team of highly experienced engineers complements AEM’s System Level Test (SLT) engineering team, enabling the delivery of AEM’s Asynchronous Modular Parallel Smart (AMPS)-based SLT+ solutions to the semiconductor and electronics markets.

The Mu-Test team now sits under AEM ATE.


Afore Oy

Acquired in 2018, Afore, now AEM-Afore Wafer Level Test Solutions, specializes in Micro-Electro-Mechanical-Systems (MEMS) and special wafer probing, offering test solutions like test handlers with multi-stimulus and package options, and tri-temperature testing. It leads in application-specific MEMS device test solutions, offering wafer and frame probing stations for R&D, Wafer Sort, and Final Test. In wafer and other advanced packages, AEM Wafer Test Solutions offers cutting-edge environmental and motion sensor solutions.

You may find out more about AEM Wafer Test Solutions here.


IRIS Solution Pte Ltd

In 2018, AEM acquired IRIS Solution, a company engaged in the business of research, development, and integration of machine vision solutions. Their customized vision systems have been integrated with automated optical wafer inspection systems, die bonders and semiconductor devices inspection systems. Their capabilities have been integrated into AEM’s solutions.


InspiRain Technologies

In 2017, AEM acquired InspiRain Technologies, a network infrastructure test and measurement services provider. Their portfolio, including a Vector Network Analyzer and a handheld network cable tester, is now part of AEM Test and Measurement. AEM’s solutions, suitable for field use, enterprise, manufacturing, and laboratory environments, feature ruggedized and portable handheld cable testers, and small form factor vector network analyzers. These are highly modular.

You may find out more about AEM Test and Measurement here.