About This Deal

AMETEK acquired NSI-MI Technologies for part of $1,959.2 million across six 2021 businesses, a transaction completed in April 2021, structured as All-cash.

NSI-MI Technologies operates in EIG. A leading provider of radio frequency and microwave test and measurement systems for niche applications across the aerospace, defense, automotive, wireless communications, and research markets, acquired in April 2021.

NSI-MI strengthens the company's test and measurement platforms.

EIG

Deal Terms

Acquirer
AMETEK
Target
NSI-MI Technologies
Value
Part of $1,959.2 million across six 2021 businesses
Date
April 2021
Type
Full acquisition
Status
Ready

Transaction Details

Segment
EIG
Structure
All-cash
Closed
April 1, 2021

In Their Words

A leading provider of radio frequency and microwave test and measurement systems for niche applications across the aerospace, defense, automotive, wireless communications, and research markets, acquired in April 2021.AMETEK FY2021 10-K, Item 1 Business / Acquisitions note

Advisors

Advisory firms were not disclosed for this transaction.

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Sources: Press release ↗ · Last updated July 8, 2026

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