Enpro Inc. Acquires Advanced Micro Instruments, Inc. from McNally Capital

Enpro Inc. Acquires AlpHa Measurement Solutions and Overlook Industries

October 13, 2025

Manufacturing

Enpro Inc. agreed to acquire AlpHa Measurement Solutions and Overlook Industries for an aggregate of approximately $280 million in cash, expanding its Sealing Technologies segment with liquid analytical sensing/instrumentation and single-use biopharma components. Overlook’s deal closed Oct. 8, 2025, and Enpro completed the AlpHa acquisition in November 2025; the combined acquisitions are expected to contribute more than $60 million in revenue and $17–18 million in adjusted segment EBITDA.

StenTech Acquires Advanced Metal Etching (AME)

October 17, 2025

Manufacturing

StenTech, an Align Capital Partners portfolio company, has acquired Advanced Metal Etching, Inc. (AME), a precision photochemical etching and laser-cutting specialist based in Ligonier, Indiana. The add-on expands StenTech's Parts Division capabilities — adding AME's Hybrid Etch-Laser Process and two facilities to strengthen precision parts manufacturing and broaden end-market exposure (aerospace, medical, automotive, defense and energy).

AFM Capital Partners Acquires Pro Products, Inc.

January 23, 2024

Manufacturing

AFM Capital Partners has acquired Pro Products, Inc., a Sturgeon Bay, Wisconsin-based precision CNC machining manufacturer with advanced automation capabilities serving aerospace, green energy, off-highway, agricultural and industrial markets. AFM said it will provide capital and operating expertise to accelerate Pro Products’ growth, expand product offerings and further develop the company’s competitive positioning.

Patricia Industries Acquires Advanced Instruments

September 28, 2020

Medical Devices

Patricia Industries, part of Investor AB, has completed the acquisition of US-based Advanced Instruments, a global leader in osmolality testing instrumentation and consumables, from Windjammer Capital. The deal values Advanced Instruments at an enterprise value of USD 780 million; Patricia Industries injected roughly USD 619–620 million of equity for majority ownership. Advanced Instruments (headquartered in Norwood, Massachusetts) serves clinical, biopharmaceutical and food & beverage markets and reported approximately USD 72 million in sales for the 12 months ending June 30, 2020.

Patricia Industries (Investor AB) Acquires Advanced Instruments from Windjammer Capital

September 1, 2020

Medical Devices

Patricia Industries, part of Investor AB, has signed an agreement to acquire Advanced Instruments, LLC from Windjammer Capital for an enterprise value of $780 million. Advanced Instruments, headquartered in Norwood, Massachusetts, is a manufacturer of scientific and analytical instruments serving the clinical, biotechnology and food & beverage markets; the transaction is expected to close in Q4 2020 subject to regulatory approvals.

ENVEA Acquires California Analytical Instruments (CAI)

May 3, 2023

Manufacturing

ENVEA, the French environmental monitoring equipment group (PE-backed by Carlyle), has acquired California Analytical Instruments, Inc. (CAI), a US-based designer and manufacturer of gas analyzers and emission-monitoring systems. The acquisition expands ENVEA's product portfolio and strengthens its presence and technical capabilities in the US market; financial terms were not disclosed.