Rochester Gauges Acquires FPI Sensors

Amphenol Acquires Rochester Sensors from Renovo Capital

October 23, 2025

Manufacturing

Amphenol Corporation has acquired Rochester Sensors from Renovo Capital. The acquisition adds Rochester’s liquid level sensor design and manufacturing capabilities to Amphenol’s industrial sensors and interconnect portfolio, expanding its product breadth and international manufacturing footprint.

Rochester Gauges Acquires Fozmula Limited

November 6, 2019

Manufacturing

Rochester Gauges, LLC acquired 100% of the capital stock of Fozmula Limited from holding company HB4. The add-on purchase expands Rochester's technical portfolio in capacitive liquid-level sensing and provides a Warwick, UK facility to strengthen the combined company's European footprint; Rochester is PE-backed by Renovo Capital.

Rochester Gauges Acquires Concept Technology

November 30, 2021

Manufacturing

Rochester Gauges, LLC acquired the assets of Concept Technology (CTI), a St. Louis-based manufacturer of liquid level sensors for commercial refrigeration. The acquisition expands Rochester's product portfolio and footprint in the liquid level measurement segment and enables CTI's OEM customer base to leverage Rochester's broader manufacturing and engineering resources.

Rochester Sensors Acquires Tekelek Europe Limited

May 29, 2023

Manufacturing

Rochester Sensors, a Dallas-based manufacturer of liquid level sensors, acquired the stock of Tekelek Europe Limited, a Shannon, Ireland-based designer of ultrasonic and radar liquid level sensors. The deal expands Rochester's technical capabilities in non-contact ultrasound, free-space radar and wireless remote-monitoring technologies and broadens its European footprint as part of a multi-year strategy to build a global liquid level sensor business.

John Henry Foster Minnesota (High Road Capital) Acquires Sensors Incorporated

December 13, 2021

Industrial Services

John Henry Foster Minnesota, a portfolio company of High Road Capital Partners, has acquired Sensors Inc. and Sensors Integration Corp., a distributor and integrator of industrial sensing products and systems. The acquisition, completed December 2, 2021, is the second add-on for JHFoster under High Road's ownership and is intended to expand technical capabilities, supplier relationships and support growth initiatives for the combined businesses.

Pfingsten Acquires Fowler High Precision

September 7, 2022

Manufacturing

Pfingsten, an operationally focused private equity firm, acquired Fowler High Precision, a Canton, Massachusetts-based manufacturer and distributor of dimensional metrology tools and calibration services. The acquisition (completed August 29, 2022) is a platform investment for Pfingsten's Fund V and aims to expand Fowler's product categories and calibration/repair capabilities both organically and through add-on acquisitions.